BIADELPHIA OCTANDRIA. 



181 



ciilatis, demum pendu- 



lis. 



dunclcs, finally pendu- 

 lous. 



Nutt. 2. p. S7. 



P. Senega. 



Mich. 2. p. 53 



var. rosea. 



var. b. Pursh 2. p. 465. 



Root perennial, 

 branches, 

 besccnt. 



Stem lieibaceons, 8 — 12 inches high, wth virgate 



Leaves aUeinate,on short petioles.strongly veincd,soft and pii- 

 Peduiicles 2 — 4 lines long. Bracteas miniite,decid\ious. Up- 

 per leaves of the calyx very small with glandular fringe, calycine wings 

 large,veinedj persistent, at first tinged with pink, when old entirely green. 

 Corolla rose coloured. Vexillum ? Carina three lobed, liairy at base, 

 tlie intermediate lobe compressed, enclosing the germ, yellow and slightly 

 tuberculated at the summit. Stamens 8, monadelphous, very short. An- 

 thers 1 -celled. Style long, bearded at the summit. 



ricarp oblong, slightly winged, pendulous. Seeds solitary, one in each 

 cell, hispid. 



This is probably the P. Viridescens of Walter. The erect capsules as<- 

 cribed by Walter to that species is the only point in which they appear to 



differ. 



Grows In dry soils, very common. 

 Flowers from May to August. 



Stigma obtuse. 



Pe- 



3. P 



OLYGAMA. 



P. caule a basi ra- 



moso 



? 



foliis angustisj 



cunealo-Ianceolatisjra- 



terminalibiis 



cemis 





corollatis, radicalibus 

 apetalis humistratis. 



Stem 



branching 



from the base; leaves 

 narrow, cuneate, lan- 

 ceolate; terminal ra- 

 cemes bearing asico- 



rolla 

 root 



? 



those 

 without 



of 



the 



and prostrate. 



petals 



\ 



Walt. p. 179^ Pursh 2. p. 465. Nutt. 2. p. 75. 



Root fibrous, perennial. Stem about a foot high, branching at the ve> 

 ry base, glabrous, angled, almost winged by the decnrrent leaf. Leaves 

 T? S S''''bi'0"s, wich the margins rough, the lower ones almost obovate. 

 Y^f^lmoers on peduncles 2 lines long. Bractea as long as the pedun- 

 cie^eciduous. Stiptiles 2, setaceous, persistent, the calycine wings at 

 nrsnjnght purple, after flowering becoming green. Keefof the corolla 

 ;^-lobed, intermerUate lobe fimbriated at the summit. Sfamem very short, 

 l~7 ' ^^if^^ short. Stigma 2-Iobed, with a globular plumose gland, ae- 



lachcd to the upper lip. Pericarp pendulous when mature. Seed hairy. 



