696 FABACEAE 
P. carneus Michx. Plant 3-10 dm. tall: leaflets i Pind o E 
slip or linear-oblanceolate, 5-10 mm. long: calyx ong: corolla 
rose or deep- ‘standard about 4 mm. long; Di tA en Or spe Aare 
Soc pubes : pod curved, about 3 mm. long, aera beyond the calyx- 
tube, pubescent a E apex. [P. roseum Nutt, ees scrub, and sand- 
mE Coastal Plain, Fla., Ala., and Ga.—Spr.— 
P. Feayi Chapm. Plant n 9 dm. tall: rd iu 3-11; blades linear, 
but I. involute, 8—18 m ped ene 3.5 . long: corolla deep- pink 
or lavender: standard os 4mm long; blado qoem ovate: gynoecium 
glabrous: pod straight, a long, exserted beyond the calyx- Dem 
hdd iui pinelands eu is Coastal Plain, C pen. Fla. and S Ga. 
Spr.- 
5. P. candidus (Willd.) Michx. Plant 3-7 dm. tall: leaflets 7-9; pun Pin 
elliptie, HA or obovate-oblaneeolate, 9-30 mm. long: low alyx- 
lobes more than 144 as long as the tube: sta s rd 4—5 mm. long; SRM sub- 
dee or orbiclar bei cordate at ba nie ee sparingly 
p ent: pod curved, 2-2.5 mm. long, s spar uh pubes —( W HITE-PRAIRIE- 
ER. WHITE Menus )—Dry soil, prairies, various E Miss. to Tex 
Sask., and Ind.—Sum 
6. P. foliosus A. Gray. Plant 3-9 dm. tall: leaflets 22 us elliptic to 
e ud -oblanceolate, 3-11 mm. long: calyx about 4 m ong; s lanceolate 
angular-la nceolate, acute: corolla rose- p S MEME. 200 mm. long; 
blade Paoi Or ovate- orbicular: gynoecium glabrous: pod straight, 2 
mm. long, turgid on the u upper side, EAD doe -—River banks, Interior Low 
Plateau, denn. to Ill.—Sum 
7*. P. purpureus (Vent.) Rydb. Plant 3-9 dm. tall: bris 3—5; blades nar- 
rowly linear or slightly broadened upward, 8-20 mm. long: calyx about 4 
mm. long; lobes triangular to l a, slightly A corolla violet 
or rose-purple: standard 5—6 mm. long; bl ade orbicular- reniform: edis 
minutely pubescent: pod nearly as wide as long, 2-2. g, minutely 
pubescent.— ( PURPLE- ms n e plains, and hills, various touc 
Ala, to N. M., Sask., and Tenn.—Sum 
8. P. Gattingeri Heller. Plant 2-5 dm. tall: peor 5—7; blades nm 
linear to linear-elliptic, 9-20 mm. long: calyx nearly 4 mm. long, villou 
pilose; broader lobes triangular, acute, RA er ones Vin dn corolla i. 
purple; blade of the ode orbieular- reniform: gynoecium n P rad 
y od ov Ge about 2.5 mm. long, pilose. [P. d ncn (Ch Fl.)]— 
Roc calcareous Bo "pu -glades, and grassy hillsides, peer al Low 
ees Ala. and Tenn.—Spr.-sum. 
23. KUHNISTERA Lam. Perennial herbs. Leaflets few or several. 
Spikes mostly depressed-corymbose, resembling heads of Carduaceae. Flowers 
white. Calyx Pun setaceous. Standard with a narrow tapering eae Fila- 
ments united to bel he middle. Pod as in Petalostemon.—Three species.— 
Sum.—fall.—The fr NA heads, persistent into the winter, are gray as a result 
of the copiously pubescent calyx-lobes. 
Blades of px td linear-clavate to filiform, acute: involucres 
6-7 mm. 1. K. pinnata. 
Blades d the eaflets elliptic to elliptic-oblanceolate or obovate, 
or sometimes spatulate, obtuse: involueres narrowly 9— 11 
a “hi h. 
Inner bracts of the involucre elliptie or elliptic-oblanceolate, 
mucronate, copiously ciliate. 2. K. truncata. 
Inner bracts of the involucre lanceolate, acuminate, sparingly 
ciliate. 9. K. adenopoda. 
