234 LEGUMINOSAE. 



and Long-acuminate, caducous; rachis and calyx densely short-villous, the hairs 

 often blackish, the Begments of the latter just shorter than the violet corolla. 

 Apparently no1 common. Santa Clara Co. to Marin Co. Aug.-Sept. 



5. P. physodes Dougl. Low, mostly hut 1 ft. high, nearly glabrous; 

 Leaflets ovate, varying to orbicular, mostly acute, 1 to 2 in. long; peduncles 

 shorter than the Leaves or exceeding them; racemes short, dense, the bracts 

 small; calyx cup-shaped, covered with glands which suggesl low volcanic craters, 

 and slightly villous with usually dark hairs, rather more than ' •_» as Long as 

 the corolla, at Length much enlarged and inflated; calyx-teeth very short ami 

 subequal; corolla 5 to 6 lines long; petals greenish white, the keel purple- 

 tipped; pod roundish, compressed, ,'j lines Long. 



Common in open spots on bushy or wooded slopes of the higher hills or 

 mountains: Monterey to Mt. Diablo, Marin Co., Napa Range, Vaca Mts. and 

 aorthward. Apr. -dune. Makes a very pleasant tea when dried, and was used 

 as such by early Calif ornians, who called it ''Native California Tea" (Mrs. 

 Maud Wheeler, Sebastopol). 



6. P. californica AYats. Low and tufted, the stems many from a woody 

 often branched caudex; pubescence silky and appressed; leaves palmately com- 

 pound; leaflets 5, orbicular-obovate and cuneate at base, 7 or 8 lines long; 

 stipules scarious, lanceolate; racemes shorter than the leaves, dense, rather 

 less than 1 in. long, on short peduncles; calyx silky-villous, 6 lines long, the 

 Linear-acuminate lobes a little exceeding the petals; pod oblong, narrowed to a 

 Lanceolate beak, thin-walled, villous; seed dark brown, 2 lines long or more. 



A rare plant: summit of Mt. Diablo (the only known locality within our 

 limits) ; headwaters of the Salinas, Palmer. May-July. 



11. GLYCYRRHIZA L. Liquork i:. 



Perennial herbs with glandular-viscid herbage, odd-pinnate leaves and minute 

 stipules. Flowers yellowish white, in axillary peduncled spikes. Calyx 5-cleft, 

 with the 2 upper lobes shorter or partly united. Stamens monadelphous or 

 diadelphous, the alternate anthers smaller. Ovary 2 to many-ovuled; style 

 short and rigid, curved at the tip. Pod short, flattened, prickly, few-seeded, 

 in dehiscent. (Greek glukus, sweet, and rhiza, root.) 



1. G. lepidota Nutt. var. glutinosa Wats. Stems erect, 2 ft. high; 

 herbage viscid-puberulenl and sometimes with minute scales; leaflets 11 to 15, 

 oblong- to ovate-lanceolate, 1 to l*/> in. long; stipules persistent; spikes broadly 

 oblong, exceeding 1 in., the peduncles :: | to .*> in. long, with spreading glandu- 

 lar hairs; llowers yellowish white; calyx very glandular; pod oblong, \< 2 in. 



long, reddish brown, bur-like, beset with hooked prickles, 2 to 6-seeded. 



Rich soil of low OT moist lands in the valleys or on the plains: Solano and 

 Sonoma cos. to Alameda ami Santa Clara cos. and southward to Southern Cali- 

 fornia. June. 



12. ASTRAGALUS L. Rattle-weed. Loco weed. 

 I bibs with odd-pinnate leaves. Flowers purple, pale yellow or white, in 



spikes, racemes or heads. Racemes mostly spike like, either the pedicels very 



shoit or the flowers crowded. Calyx 5-toothed. Corolla usually long and nar- 

 row; keel obtuse. Stamens diadelphous ; anthers all alike. Pod 2 tit many- 



seeded, commonly turgid or Inflated and bladder-like, L-celled or partly 2-celled 



by the intrusion of one pr both sutures, tardily dehiscent. Seeds small, usu- 

 ally reniform on slender funiculi. (Ancienl Greek name for some leguminous 

 plant. ) 



