116 
Distr.—New Mexico, Mexico and throughout South America, 
tt Herbs erect or ascending. ] 
* Loment sessile in the calyx, or nearly so. | 
| Leaflets long, linear, 1-foliolate ; joints of the loment oval. 
- 28. MEIBOMIA GRAMINEA (A. Gray). 
Desmodium gramineum, A. Gray, Pl. Wright, ii. 46 (1853). 
Meibomia graminea, O. Kuntze, Rev. Gen. Plant. i. 98 (18y!). 
Distr.—New Mexico and Mexico. 
|| Leaflets linear, lower leaves 1-foliolate, oval or deltoid ; joints of the loment 
nearly orbicular. 
29. MEiBOMIA NovaA-MEXICcANA (A. Gray). 
Desmodium Neo-Mexicanum, A. Gray, Pl. Wright. i. 53 (18 52). 
Desmodium exiguum, A. Gray, Pl. Wright. ii. 46 (1853). 
Meibomia Neo-Mexicana, O. Kuntze, Rev. Gen. Plant. i. 198 
_ (1891). 
Distr.—Texas, New Mexico, Arizona and Mexico. 
||| Leaflets linear to linear-lanceolate ; joints of the loment orbicular, twisted. 
30. MEIBOMIA BIGELOVII (A. Gray). 
Desmodium Bigelovit, A. Gray, Pl. Wright. ii. 47 (1853) 
Desmodium Neo-Mexicana, var. glabellum, A. Gray, . Pl. 
Wright. ii. 47 (1853). 
Desmodium Neo-Mexicanum, var. Bigelovii, S. Watson, Biblio. 
Index Am. Bot. i. 217 (1878). : 
Metbomia Bigelowit, O, Kuntze, Rev. Gen. Plant. i. 197 (1891). . 
Distr.—New Mexico and Mexico. : 
UU Leaflets ovate, 1-6’ long, loment much twisted, bracts and stipules co? 7 
spicuous, 
31, MEIBOMIA TORTUOSA (Sw.). 
Hedysarum tortuosum, Swartz F\. Ind. Occ. iii. 1272 (1806): ° 
Desmodium tortuosum, DC. Prodr. ii. 332 (1825). 
Metbomia tortuosa, O. Kuntze, Rev. Gen. Plant. i. 198 (1891). 
Distr.—F \orida and West Indies. = 
|i U || Leaflets large, mostly 1-foliolate, loment much twisted. 
31. MEIBOMIA ANNUA (A. Gray). : 
Desmodium annuum, A. Gray, Pl. Wright. ii. 46 (1853). 
Metbomia annua, O. Kuntze, Rev. Gen. Plant. i. 197 (1891). 
This species has been erroneously referred to D. spirale. 
There is a doubt as to the latter occurring in the United State — | 
