606 



Leguminosae 



Desmodium 



o 5o 



Map 1238 



Desmodium nudiflorum (L ) DC 



50 



Map 1239 



Desmodium pauciflorum (Nutt.) DC. 



~~ 55 



Map 1240 



Desmodium acuminatum (Michx.l DC. 



3. Desmodium nudiflorum (L.) D.C. (Meibomia nudiflora (L.) Ktze.) 

 Naked-flower Tickclover. Map 1238. Infrequent to frequent in dry soil 

 in black oak and black and white oak woods, and less frequent in beech 

 woods. It is probably found in every county of the state except Benton 

 County where there is no longer any ungrazed woodland. Rarely this 

 species will have one or more leaflets or leaves on the flowering stem. The 

 form with the leaves scattered on the flowering stalk is known as Des- 

 modium nudiflorum f. foliolatum (Farw.) Fassett. When the leaves are 

 in verticels or subverticillate the form is known as Desmodium nudiflorum 

 f. personatum Fassett. I found a large colony of this species in a black oak 

 woods about half a mile southeast of Sand Lake in Noble County which 

 contained both of these forms in some abundance. 



Maine to Minn., southw. to Fla., La., and Ark. 



4. Desmodium pauciflorum (Nutt.) DC. (Meibomia pauciflora (Nutt.) 

 Ktze.) Few-flower Tickclover. Map 1239. Infrequent to rare in the 

 southern half of the state. All but two of my specimens were intimately 

 associated with beech and were found on dry, wooded, beech slopes or in 

 the "flats" with beech. The label on my Rush County specimens reads 

 "common on a beech ridge two and a half miles west of Gowdy." I found 

 a single specimen in a "post oak flat" about 10 miles southwest of Mt. 

 Vernon, Posey County. Peattie's report from Lake County, I think, is 

 based upon a wrong determination. 



N. Y., Ont., Mich, to Kans., southw. to Fla. and Tex. 



5. Desmodium acuminatum (Michx.) DC. {Meibomia grandiflora 



(Walt.) Ktze.) Pointed-leaf Tickclover. Map 1240. Infrequent to fre- 

 quent throughout the state (with the probable exception of Benton County) 

 in dry, rich soil in black and white oak and beech and sugar maple woods 

 and rarely in a moist habitat. The position of the leaflets on the stem is 

 variable. Generally they are crowded at the summit, and more rarely there 

 are a few smaller ones below the summit. Lunell (Amer. Midland Nat. 

 2: 128. 1911) described a form with "leaves not clustered at the base of 



