Four Types of Hawthorns (3.24607)
Date: 1946Creator: Watts, May Theilgaard
Type: Drawing
Description:Illustrations of four hawthorn species, created to accompany "Hawthorn Traits" article featured in Morton Arboretum Bulletin of Popular Information. Illustrations include full tree in winter, a leaf, and fruit for each species. Descriptive text accompanies each tree illustration.
Header: FOUR TYPES of HAWTHORNS
Trees and text depicted from left to right, top to bottom:
- Cockspur Hawthorn - Crus-galli Group - most persistent fruit, latest bloom, leathery foliage, short petioles -
- Dotted Hawthorn - Punctuate Group - flattest top, deepest veins, dotted red or yellow fruit
- Downy Hawthorn - Molles Group - largest leaves, first to bloom, first fruit to ripen, largest fruits
- Thicket Hawthorn - Pruinosae Group - thin small leaves, bronze when unfolding, twiggy growth -
Extent: 1 sheet
Leaf Prints: Cockspur Hawthorn (3.27742)
Date: circa 1950Creator: Watts, May Theilgaard
Type: Print
Description:A white negative nature print of cockspur hawthorn leaves, stems, thorns, and fruit on a dark background with identifying text at bottom right handwritten by May T. Watts.
Identifying text:
- Thorn cockspur
- Crataegus crus-galli
Extent: 1 sheet
Tree Portraits: Cockspur Hawthorn (3.31793)
Date: 1940 – 1950Creator: Watts, May Theilgaard
Type: Painting
Description:Color silhouette of a Cockspur Hawthorn tree of the crus-galli species, including a nature print outline of a leaf, drawings of a thorn and a fruit, and descriptive text.
Header: COCKSPUR HAWTHORN crus galli type
Drawings and text, from top to bottom, left to right:
- leaf
- tree
- thorn
- fruit: latest to bloom; fruit persists longest
Extent: 1 sheet
The Morton Arboretum Quarterly V. 01 No. 01 (3.34462)
Date: March 21 – June 20 1965Type: Serial
Description:
- Remarkable Deciduous Trees of The Morton Arboretum: West Side of the Arboretum (1-4)
- Calendar of Spring Flora Interest (5)
- Crataegus crus-galli L. Cockspur Thorn: (Rosaceae) Rose Family (6-8)
- Thornhill (9-11)
- Arboretum News and Notes (12-13)
- From the Sterling Morton Library (14-15)
- Spring Events (16)
Extent: 16 pages
1991/10/04: George Ware to Suzanne Malec (3.56304)
Date: October 4 1991Creator: Ware, George
Type: Document
Description:Facsimile of an abstract and research paper sent to Suzanne Malec of the Open Land Project. The paper, Trees for Restricted Spaces was written by George Ware and discusses the genetic, topographic, and edaphic factors to take into consideration when selecting urban trees.
Extent: 8 sheets