98 BOTANY. 



linear-oblong, 1 to 3 lines long, acute : peduncles as long as the leaves, 

 about 2-flowexed : calyx becoming inflated and globose in fruit ; teeth not 

 equalling the lube: corolla purple, half an inch long: pods included in the 

 calyx, ovate, partially 2-celled by the intrusion of the ventral suture, shortly 

 stipitate, very pubescent. — Colorado; at Gold Hill, Wolf (213). 



Oxytropis deflexa, DC. (Prodr. ii, 280). — Caulescent, erect, often 

 a foot high or more, silky-villous : leaflets 10 to 15 pairs, oblong-ovate or 

 lanceolate, acute, half an inch long: flowers small, purple, in at length elon- 

 gated spikes on very long peduncles : calyx-teeth as long as the tube and 

 equalling the corolla : pod coriaceous, linear-oblong, 6-8 lines long, reflexed, 

 pubescent, partially 2-celled by the intruded ventral suture.— In the Rocky 

 Mountains from the Saskatchewan to New Mexico ; South Park, Wolf 

 (217). 



Glycyrriiiza lepidota, Nutt. — From Washington Territory to Hudson 

 Bay and southward to Nevada, New Mexico, and Arkansas ; at Covero, 

 X. Mex., Rothrock (106), in the valley of the Upper Arkansas, Colorado, 

 \\.>lt' (190), also in Nevada and Utah, 1871 and 1872. 



Psoralea lanceolata, Piirsh (Flora, 475). — Frequent from Wash- 

 ington Territory to Northern Arizona, and eastward to Nebraska; at 

 Denver, Wolf (181). 



Psoralea floribunda, Nutt. (Torr. & Gray, Fl. i, 300). — Resem- 

 bling the last, more or less canescent, with short white appressed hairs : 

 petioles mostly very short: peduncles exceeding the leaves, and flowers 

 on short slender pedicels: calyx-teeth acute.— From Texas to Western 

 Arizona; Neutria, N. Mex., Rothrock (145), and in Eastern Arizona, Loew 

 (858). 



1'akryella* filifolia, Torr. & Gray. — Puberulent or nearly glabrous, 

 diffusely branched, apparently a foot high or more: leaves 2 or :i inches 

 long; leaflets 10 to 15 pairs, linear-revomte, 3 or 4 lines long, with acute 

 glandular stipules : spikes slender; bracts very small, acute : calyx nearly 



* PaBBTKLLA, Torr. v!t Gray, Proe. Am. Acad, vii, 'S'J7.— Calyx obcouical, persistent; teetb short, 

 nearly equal. Petals wanting. Stamens 10, distinct, inserted on the base of t lie calyx; anthers uui- 

 form. Ovary 2-ovuled. Pod indehisoent, obliquely obovate, asserted, 1-seeded, glaudular-dotted. — A low 

 shrub, with numerous slender branches, sparingly glandular-punctate; leaves unequally pinnate, with 

 glandular s.ipules j leaflets numerous, linear, stipellate ; flowers spicate on terminal peduncles. 



