FABACEAE 735 
20. M. reat (Nutt.) Kuntze. Stem often glaucous: stipules subulate: 
leaflets 4—11 cm. long; blades ov od to ovate-elliptie, glabrous and glau 
beneath: pes calyx- -lobes lanceolate, the lower d decidedly longer: stand- 
es 8-9 mm. long: keel-petals mo us ‘lo onger than standard: loment-joints 
2.5-3 mm. wide , the ventral side gradually rounde i * [D. laevigatum (Nutt.) 
DC. ]—Pinelands and dry woods, Coastal Plain and adj. provinees, Fla. to 
Tex., Mo., and N. J. 
21. BÉ a, r Ku uA ear downy: stipules Hi leaflets 
4—9 e ong; blades elliptie to or ovate-oblong, densely pubescent be- 
Ber ert calyx- “lobes deltoid, pe than the tube, the dum lobe lanceo- 
late, lon ngor and narrower; corolla pale- purple, turning green; standard broadly 
lo 
obovate , 6-9 mm. long: loment-joints about as wide as long, obliquely obovate. 
D. viridiflorum Beck.]—Dry woods, vido provinees, Fla. Tex., Mo., 
Mich., and N. Y. 
22. M. canadensis (L.) Kuntze. Stem pubescent: stipules lanceolate-linear : 
leafiets 4—10 cm. long; Ae elliptie or elliptie-lanceolate, pubescent beneath: 
upper calyx-lip Uu ne ched; Bn ealyx-lobes subulate-lanceolate, longer 
than the tube, the lower one sca cely lon vl : Ended narrowly obovate, 8—10 
mm. nee loment- -joints obliquely obovate. [D. canadense (L.) DC.]— (Bu USH 
TICK- dr )—Hi anks, woods, enous provinces, rarely Coastal Plain, 
N. o Okla., Kans., Ont., eu N. B. 
23. M. rigida (Ell) Kuntze. Stem minutely pubescent: leaflets 2.5-8 cm 
long; blades ovate- en or elliptic, pubescent and reticulate pared lateral 
ealyx-lobes deltoid, , the lower ‘lobe triangular: standard 4-5 mm. long: 
stipe of the lom ent MR less than lo as long as the joints. [D. rigidum DC. ] 
—Dry thickets, various provinces, Fla. to Tex., Nebr., Mich., and Mas 
24. a Bic (Muhl) Blake. Stem hirsute or minutely pubescent: leaflets 
1-2.5 long; blades orbieular-ovate or oval, sparingly ae ee puru 
prey pe iem -lobes deltoid, acute, the lower lobe lanceolate: standard 4— 
long: stipe of the loment % a s long as the joint.—Dry soil, pm on hillsides, 
and sandy fields, various pines Fla. to Te x, Nebr., "Mi ch., and Ont 
(Men, 
25. M. marylandica (L.) Kuntze. pud glabrous or rarely with bul 
hairs: stipules subulate: leaflets 1-2.5 long; blades ovate or sometimes 
duin E -or Me iptic, glabrous or ee SO: Poi calyx- lobes ovate, 
obtuse, the lower lobe scarcely longer: standard 3.5 m. long: loment- 
PES oblique “ED. marylandicum Boott M. obtusa "uhi Vail]—NWoods, 
thiekets, and hillsides, various provinees, Fla. to La., Mo., Mich., and M 
26. M. purpurea (Mill) Vail Stem pubescent, 1-3.5 m. tall: stipules ovate: 
leaflets 2-11 em. long; blades ovate, ovate- -elliptic, or elliptic, pubescent, and 
n reticulate beneath: lateral calyx x-lobes linear-lanceolate: standar 
lo ong, o at the base: keel- o obliquely pointed: loment- -joints 
r 2.5 mm. wide. [D. tortuosum (Sw.) DC.]—(FLORIDA-BEG-- 
GARWEED. .)— Rondsides fields, and hammocks, Coastal Plain, Fla. and Ga.— 
(W. I., , C. A. 8. A., O. W.) 
27. M. cana (Gmel) Blake. Shrub with glabrous or nearly glabrous MS 
stipules lanceolate or ovate-lanceolate: leaflets about 2 em. long; blades val 
or elliptie: lateral PS obes lanceolate: standard 5—6 mm. long, trunea E Or 
wei jd ey ve the short claw: oe 5-6 mm. long: loment-joints 
de, much longer. [D. incanum VW M. supina (Sw.) Britton] 
a ons S "Fla.— —(W. I., “Me ex., C. A. S. 0. W.) 
