Alopecurus aequalis Sobol. (shortawn foxtail), habit (3.100930)
Date: June 1975Type: Photographic image
Description:Alopecurus aequalis Sobol. (shortawn foxtail), habit with water in background
Extent: 1 slide
Amaranthus graecizans L. (Mediterranean amaranth), leaves and stems (3.100931)
Creator: Kohout, Kitty
Type: Photographic image
Description:Amaranthus graecizans L. (Mediterranean amaranth), leaves and stems
Extent: 1 slide
Amaranthus hybridus L. (green amaranth), close-up of inflorescence (3.100932)
Date: October 1969Type: Photographic image
Description:Amaranthus hybridus L. (green amaranth), close-up of inflorescence with sky in background
Extent: 1 slide
Amaranthus hybridus L. (green amaranth), close-up of inflorescence (3.100933)
Date: August 1969Creator: Stickney, William S.
Type: Photographic image
Description:Amaranthus hybridus L. (green amaranth), close-up of inflorescence
Extent: 1 slide
Amaranthus hybridus L. (green amaranth), habit (3.100934)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Amaranthus hybridus L. (green amaranth), habit showing inflorescences, leaves and stem with grass in background
Extent: 1 slide
Amaranthus powellii S.Wats. (Powell's amaranth), close-up of inflorescence (3.100935)
Date: September 1978Creator: Dritz, Ken
Type: Photographic image
Description:Amaranthus powellii S.Wats. (Powell's amaranth), close-up of pale green inflorescence
Extent: 1 slide
Amaranthus retroflexus L. (redroot pigweed), close-up of inflorescence with leaves and stem (3.100936)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Amaranthus retroflexus L. (redroot pigweed), close-up of inflorescence with leaves and stem
Extent: 1 slide
Amaranthus powellii S.Wats. (Powell's amaranth), stalk with inflorescence (3.100937)
Date: June 1980Creator: Dritz, Ken
Type: Photographic image
Description:Amaranthus powellii S.Wats. (Powell's amaranth), stalk with inflorescence
Extent: 1 slide
Arabidopsis thaliana (L.) Heynh. (thale cress), stems (3.100972)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arabidopsis thaliana (L.) Heynh. (thale cress), two slim stalks are shown against a dark backdrop. The ends of the stalks sport a small cluster of white flower buds, some open, most are closed.
Extent: 1 slide
Arabis perstellata var. shortii (Short's false rockcress), flowers on stem (3.100973)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:
Arabis perstellata var. shortii (Short's false rockcress), view of the top half of a an Arabis stalk, with 2 alternate leaves near the bottom of the photo, and a cluster of yellowish florets at the top of the stalk. The florets appear to open starting at the bottom of the cluster, moving upward.
Extent: 1 slide
Arabis canadensis L. (sicklepod), close-up of flowers on stem (3.100974)
Date: June 1980Creator: Dritz, Ken
Type: Photographic image
Description:Arabis canadensis L. (sicklepod), dramatic photo of a single stalk of Arabis canadensis against a black background. The loose cluster of flowers at the end of the stem are beginning to open, from the bottom up.
Extent: 1 slide
Arabis canadensis L. (sicklepod), fruit pods (3.100975)
Date: December 1976Type: Photographic image
Description:Arabis canadensis L. (sicklepod), a single stem of Arabis canadensis, shown against a blurred background, is topped with a mop of dried siliques (long fruit pods)
Extent: 1 slide
Arabis canadensis L. (sicklepod), habit (3.100977)
Date: June 1980Creator: Dritz, Ken
Type: Photographic image
Description:Arabis canadensis L. (sicklepod), viewed is a single stalk of an Arabis canadensis, against a muted dark background. The stalk has a sparse showing of alternate leaves, with a sall cluster of florets at the terminal end.
Extent: 1 slide
Arabis drummondii A. Gray (Drummond's rockcress), leaves and flowers on stems (3.100978)
Date: May 1983Creator: Kohout, Kitty
Type: Photographic image
Description:Arabis drummondii A. Gray (Drummond's rockcress), beautiful photo of a small stand of Drummond's rockcress, with the light casting a gentle lavender wash over the plants. Slender, alternate leaves caress the stem from top to bottom, ending in a cap of pearl-like white flowers.
Extent: 1 slide
Arabis drummondii A. Gray (Drummond's rockcress), leaves and flowers on stems (3.100979)
Date: March 1990Creator: Kohout, Kitty
Type: Photographic image
Description:Arabis drummondii A. Gray (Drummond's rockcress), a view of two stems of Drummond's rockcress. The leaves are tightly clasped around the stems, and the white florets capping the stem seem to be pulling the stem down in an arc.
Extent: 1 slide
Arabis glabra (L.) Bernh. (tower rockcress), habit (3.100980)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arabis glabra (L.) Bernh. (tower rockcress), viewed is a single central stalk, with several stems along its side. Leaves are tightly held to the sides of the stems, and each stem is capped with a closed floret. The base of the plant is not seen in this photo.
Extent: 1 slide
Arabis hirsuta (L.) Scop. var. glabrata Torr. & A. Gray (mountain rock cress), habit (3.100981)
Date: June 1978Creator: Dritz, Ken
Type: Photographic image
Description:Arabis hirsuta (L.) Scop. var. glabrata Torr. & A. Gray (mountain rock cress), in view is a single stalk of Arabis hirsuta, situated in a bed of ferns. The slender stalk has alternating leaves sparsely spaced, leading to the plant's end, which sports a small cluster of white florets.
Extent: 1 slide
Arabis laevigata (smooth rock cress), habit (3.100982)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arabis laevigata (smooth rock cress), a single plant of Arabis laevigata, with a thick main stalk, and several branching, slender stems. The stalk and stems have small clusters of whiteish florets at the ends, and long slender seed pods. Larger, lancelot basal leaves can be seen, with smaller alternate leaves along the stems.
Extent: 1 slide
Arabis laevigata (smooth rockcress), habit (3.100983)
Date: April 1975Type: Photographic image
Description:Arabis laevigata (smooth rockcress), a single stalk of flowering smooth rockcress is silhouetted against the dark bark of a tree root. The background has been muted to resemble a foggy day.
Extent: 1 slide
Arabis lyrata L. (sand cress), flowers on stem (3.100984)
Type: Photographic image
Description:Arabis lyrata L. (sand cress), single stalk of rockcress, with a terminal cluster of small white flowers, against a dark blurred background
Extent: 1 slide
Arabis lyrata L. (sand cress), habit (3.100985)
Type: Photographic image
Description:Arabis lyrata L. (sand cress), clump of flowering rockcress, each stem sports a terminal white bloom, viewed against a dry, sandy background.
Extent: 1 slide
Arabis lyrata L. (sand cress), habit (3.100986)
Date: March 1979Creator: Kohout, Kitty
Type: Photographic image
Description:Arabis lyrata L. (sand cress), small collection of sparse rockcress, with white terminal flowers, and water droplets glistening on the leaves.
Extent: 1 slide
Arabis perstellata var. shortii (Short's false rockcress), flowers and leaves on stem (3.100987)
Date: April 1977Creator: Kohout, Kitty
Type: Photographic image
Description:Arabis perstellata var. shortii (Short's false rockcress), a single stem of rockcress is featured against a muted green background. A cluster of terminal flowers are in bloom. Clear view of the somewhat crenulated alternated leaves, with fine matted hairs on both upper and lower sides of leaves. These hairs give the plant a grayish sheen.
Extent: 1 slide
Araucaria Juss., habit (3.100988)
Creator: Curns, B.
Type: Photographic image
Description:Araucaria Juss., view of an entire Araucaria against a backdrop of a whitewashed building
Extent: 1 slide
Aralia chinensis L. (Chinese angelica tree), branches (3.100989)
Date: October 1986Creator: Kohout, John
Type: Photographic image
Description:Aralia chinensis L. (Chinese angelica tree), view of a small tree, with leaves turning a rusty red color, and several plumes of reddish flowers at branch terminals.
Extent: 1 slide
Aralia elata (Miq.) Seem. (Japanese angelica tree), branches with leaves and flowers (3.100990)
Date: September 1981Creator: Kohout, Kitty
Type: Photographic image
Description:Aralia elata (Miq.) Seem. (Japanese angelica tree), view of small branch of the angelica tree, with several billowy clouds of blooms, against dark green leaves
Extent: 1 slide
Aralia elata 'Variegata' (Variegated Japanese Aralia), habit (3.100991)
Date: July 1981Creator: Bachtell, Kris
Type: Photographic image
Description:Aralia elata 'Variegata' (Variegated Japanese Aralia), beautiful view of full tree, in a deep forest-like garden setting. White margined leaves make the tree appear to shimmer against the darker background trees.
Extent: 1 slide
Aralia elata (Miq.) Seem. (Japanese angelica tree), bark, branch (3.100992)
Date: October 1973Creator: Schrattenholzer, Friedrich
Type: Photographic image
Description:Aralia elata (Miq.) Seem. (Japanese angelica tree), view of a branch segment showing the large leaf scars of the aralia
Extent: 1 slide
Aralia chinensis L. (Chinese angelica tree), flowers and leaves on branches (3.100993)
Date: November 1986Creator: Kohout, John
Type: Photographic image
Description:Aralia chinensis L. (Chinese angelica tree), view of a blooming Aralia, with a huge reddish pink cloud of flowers, enveloped by the tree's large bipinnate leaflets. A close inspection of the photo will reveal the tiny prickles covering the branches,
Extent: 1 slide
Aralia elata (Miq.) Seem. (Japanese angelica tree), close-up of flowers, inflorescence (3.100994)
Date: August 1981Creator: Dritz, Ken
Type: Photographic image
Description:Aralia elata (Miq.) Seem. (Japanese angelica tree), inflorescence, with clear view of stamens extending beyond the petals
Extent: 1 slide
Aralia elata (Miq.) Seem. (Japanese angelica tree), leaves on branch (3.100995)
Date: September 1981Creator: Kohout, Kitty
Type: Photographic image
Description:Aralia elata (Miq.) Seem. (Japanese angelica tree), bipinnate compound leaves with inflorescence
Extent: 1 slide
Aralia elata (Miq.) Seem. (Japanese angelica tree), inflorescence (3.100996)
Date: September 1981Creator: Kohout, Kitty
Type: Photographic image
Description:Aralia elata (Miq.) Seem. (Japanese angelica tree), inflorescence after the flowers are spent and berries are forming. There are green and black berries visible, on the empty flower stalks, which look like miniature star bursts.
Extent: 1 slide
Aralia elata (Miq.) Seem. (Japanese angelica tree), branches with leaves and flowers (3.100997)
Date: September 1981Creator: Dritz, Ken
Type: Photographic image
Description:Aralia elata (Miq.) Seem. (Japanese angelica tree), view of a stand of Japanese angelica tree, with several cloud like white inflorescences, against a background of large dark green bipinnate leaves
Extent: 1 slide
Aralia elata (Miq.) Seem. (Japanese angelica tree), habit (3.100998)
Date: August 1971Creator: Beasley, Michael
Type: Photographic image
Description:Aralia elata (Miq.) Seem. (Japanese angelica tree), view of a small group of single trunk Aralia elata, in a sunny open area at forest edge. The tree trunks are very small in diameter, and the trees are short. A sparsely flowered inflorescence crowns one of the small trees. A close up view shows the prickles and spines running up and down the tree trunk.
Extent: 1 slide
Aralia elata (Miq.) Seem. (Japanese angelica tree), close-up of stem and buds (3.100999)
Date: October 1973Creator: Schrattenholzer, Friedrich
Type: Photographic image
Description:Aralia elata (Miq.) Seem. (Japanese angelica tree), against a dark background, an amazing close view of the tip of an Aralia elata stem, is shown. Two unopened, dark brown , glossy buds are silhouetted. Tiny prickles can be seen on the buds, with larger thorn-like prickles encircling the stem.
Extent: 1 slide
Aralia elata (Miq.) Seem. (Japanese angelica tree), close-up of stem and bud (3.101001)
Date: April 1982Creator: Kohout, Kitty
Type: Photographic image
Description:Aralia elata (Miq.) Seem. (Japanese angelica tree), against a muted background, the tip of an Aralia elata stem is shown, sporting a terminal leaf bud beginning to emerge. The stem itself is a dull light gray. Old half moon leaf scars encircle the stem, in an alternate pattern. A row of tiny thorns encircles the leaf scars
Extent: 1 slide