113 



Desmodinni viridiflonim, Beck. Bot. 84 (1833), not DC. 

 Meiboinia viridiflora, O.Kuntze, Rev. Gen. Plant, i. 197(1891). 

 Distr. — New York to Florida, west to Missouri and Texas. 



==== Leaflets broad, thin, appressed pubescent beneath; stem striate, glab- 

 rous or finely pubescent, sometimes ciliate. 



17. Meibomia Dillenii (Darl.). 



Hedysariim Marilandicwn, Willd. Spec. iii. 11 89 (1803), not 



Linn. 

 Desmodium Marylandiaim, DC. Prodr. ii. 328 (1825). 

 Desmodiuvi Dillenii, Darl. Y\. Cestrica, 414 (1837). 

 Desmodium Boottii, Torrey in Curtis' Enum. PI. Wilmington, 



Boston Journ. Nat. Hist. i. 93 (1834). 

 Meibomia Dillenii, O. Kuntze, Rev. Gen. Plant, i. 195 (1891). 

 Dist. — Ontario to Florida, west to Nebraska and Texas. 



■^ ° Loment sessile in the calyx, or nearly so ; leaves more or less strongly 

 reticulate beneath. 

 ly Joints of the loment 2-4. 



=== Lower leaves i-foliolate ; leaflets villose or rugose, pubescent be- 

 neath, panicles long, leafless. 



18. Meibomia rhombifolia (Elliott). 



Hedysarum rhombifoliiim, Elliott, Sk. ii. 216 (1824). 



Desmodium rJiombifoliuin, DC. Prodr. ii. 330 (1825). 



Desmodium Floridanum, Chapm. Fl. 102 (i860). 



Meibomia Floridana, O. Kuntze, Rev. Gen. Plant, i. 198 (189 1). 



The specimen labelled D. rJiombifolium, Ell. in Dr. Torrey's 

 hand, is identical with what is now known as D. Floridana, 

 Chapm. The latter varies somewhat in the pubescence of the 

 under surface of the leaflets, and there are apparently intermedi- 

 ate forms between it and M. lavigata. 



Distr. — Virginia to Florida, west to Louisiana. 



== == Leaflets 3-4' long, scabrous beneath, broadly truncate at the base. 



19. Meibomia Tweedyi (Britton). 



Desmodium Tweedyi, Britton, Trans. New York Acad. Sci- 

 ences, vii. 183 (1890). 

 Mature fruit not known. 

 Distr. — Texas. Tom Greene Co., Frank Tweedy, 1879. 



