112 



II II Joints of the loment little longer than broad. 

 ° Loment distinctly stalked in the calyx. 



•[T Plants g-labrous or nearly so (except Af. paniculata, var. puhcns). 

 ==*L.ea(lets lanceolate or oval. 



14. Meibomia paniculata (L.). 



Hedysarum panicidatjim, Linn. Spec. 749 (i753)- 

 Dcsmodiiim paniculatum, DC. Prodr. ii. 329 (1825) 

 Meibomia paniciilata,0. Kuntze, Rev. Gen. Plant, i. 198(1891). 

 Distr. — Ontario to Florida, west to Nebraska, and Louisiana 



and Texas. 



Var. ANGUSTIFOLIUM (T. & G.). 

 Desmodiitm paniculatutn, var. angustifolium, T. & G. Fl. i. 



364 (1838). 

 There are intermediate forms between this variety and the 



species. 



Distr. — Florida and Texas. 

 Var. PUBENS (T. & G.). 



Desmodiiim paniculatum, var. pubens, T. & G. Fl. i. 364 

 (1838). 



Desmodium pubens. Young, Fl. Texas, 233 (1873). 



The typical M. paniculata of the Eastern States is glabrous ; 

 the western form is pubescent, and there are intermediate forms 

 between M. Dillcniidind vd.x. pubens, which latter is possibly a species. 



Distr. — Florida to Texas and New Mexico. 



==== Leaflets thick, broadly ovate or ovate-rhomboid, lighter beneath. 



15. Meibomia l^vigata (Nutt.). 



Hedysarum Icevigatnin, Nutt. Gen. ii. 109 (18 18). 



Desmodium Icevigatum, DC. Prodr. ii. 329 (1825). 



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



Distr. — Pennsylvania to Florida, west to Missouri, Louisiana 

 and Texas. 



Var. inonophylla, Wood, Bot. and Fl. 88 (1870). I have 



not seen anything answering this description. It is not at all 



unusual for depauperate plants of the genus to run to unifoliolate 



leaflets. 



T[ •[[ Plants more or less pubescent. 



== Leaflets broad, velvety pubescent beneath ; joints of the loment 2" long. 



16. Meibomia viridi flora (L.). 



Hedysarum viridiflorum, Linn. Spec. Plant. 748 (1753)- 



