309 



by its dense w pubescence, sm, crowded 

 Ifts and almost umbellate inn." Greene, 

 Cal ac b 2:145 (1886). 



Genus PSORALEA Linnaeus. 



Punctate with dotj and heavy-scented 

 per herbs or rarely shrubby: stipules 

 free from the petiole: Ivs pinnately 3- 

 foliate or rarely palmately 3-5-foliate: 

 ex-lobes nearly equai, upper often con- 

 nate: keel united wiui the wings, broad 

 and obtuse above: sta diadelphous or 

 monadelphous: anth all alike: pod ovate, 

 indehiscent, 1-seeded. 

 PSORALEA CALJFORNICA S. WaUon. 



Leaflets 5-7: silky-gray. 



Watson, Am ac pr 12:251 (1877). 



Type locality: "at McGinnis' 



ranch, near head ot Salinas river, 25 

 miles from San Luis Obispo, Cal." 

 Mts Baja (Or 1082). 



Coville, CNH 4:84. Near Kernville. 



Abrams, Fl LA 221. SBer mts. 

 PSORALEA MACROSTACHYA D. C. 



Often 6 ft. high: peduncles exceeding 

 the leaves: leaflets 3, rhombic-ovate to 

 narrowly ovate: stems erect. 



DC, Prodr 2:220. 



Lindley, bot reg t 1769. 



T & G, Fl 1:689. 



Brewer & Watson, bot Cal 1:140. 



Abrams, Fl LA 220. 



Throughout Cal; Baja! 



Psoralea strobilina var T & G, Fl 

 1:689. 

 PSORALEA ORBICULARIS Lindl. 



Peduncles 1-2 ft. long: leaflets 3, orbic- 

 ular. 

 FSOBALEA PHYSODES Douglas. 



Slender, erect, 3-6 dm hi, nearly gla- 

 brous: stipules linear-lanceolate: Ifts 

 ovate, acute, 2-3 cm long: peds about 

 equaling Ivs: racemes short, dense: 

 bracts sm: ex with sessile glands and 

 somewhat villous with black hairs, be- 

 teeth short, nearly equal: cor 1 cm long, 

 twice as long as ex, orchroleucous, often 

 coming enlarged and inflated in fr: 

 with a deep p-tinge: sta monadelphous: 



Torrey & Gray, Fl 1:304. 



Abrams, Fl LA 220. 



Hooker, Fl 1:136. 



Brewer & Watson, bot Cal. 1:140. 

 Genus AMORPHA Linnaeus. 



Glandular-punctate and heavy-scent- 

 ed shrubs with unequally pinnate Ivs, 

 caducous stipules, and sm p fls in ter- 

 minal spikes: ex obconic-campanulate, 

 5-toothed, persistent: standard erect, 

 concave, unguiculate; wings and keel 0; 

 sta monadelphous at base: pod short, 

 exceeding the ex, sessile, indehiscent, 

 1-2-seeded. 

 AMORPHA CALIFORNICA Nutt. 



1-3 m hi, puberuient, the nascent 

 parts villous-pubescent; Ifts 11-15, ellip- 

 tic-oblong, obtuse, 2 cm long; spikes 

 slender, 5-15 cm long: ex-teeth acute, 

 broadly triangular. 



Abrams, Fl LA 221. 



Hall, U 88. 



Parsons, W Fls Cal 320. 



Holzinger, Erythea 1:131-2. 



Greene, Erythea 1:132-3. 



A. hispidula Greene Fl F 214 (1891). 



310 

 Genus MELILOTUS Tournefort. 



MELILOTUS ALBA Lam. 



An: glabrous, erect, 6-20 dm hi, 

 branching: Ifts truncate: racemes many, 

 elongated: fls w, the standard exceed- 

 ing the other pet. Eu. Sweet clover. 



Davidson, Erythea 1:58. LA Co. 



Parsons, W Fls Cal 165. 



Abrams, Fl _LA_ 211. 

 MET.ILOTTJS INDICA All. 



An: glabrous, erect, 3-20 dm hi, 

 branching: Ifts mostly cuneate-oblong, 

 obtuse, denticulate, 2.5 cm long or less: 

 racemes many, bearing sm, nearly ses- 

 sile, y fls. Eu. 



All, Fl Ped 1:308 (1785). 



Type locality: Indian. 



Davidson, Erythea 1:58, LA Co. 



Parish, Zoe 1:125. 



Abrams, Fl LA 211. Common. 



Parsons, W Fls Cal 165. 



Melilotus parviflora, Less, of Bot Cal. 



Trifolium Melilotus indica L, Sp PI 

 2:765 (1753). 

 MELILOTUS PARVIFLORA Desf. 



See Melilotus indica All. 



Genus MED 1C AGO Linnaeus. 



An or per herbs with pinnately 3-fol- 

 iate Ivs and 2-3 or many fls in axy pe- 

 duncles: stipules adnate, often laciniate: 

 pet free from the diadelphous sta, decid: 

 pod 1-several seeded, coiled into a 

 spiral. 

 MEDICAGO AFICUT.ATA Willd. 



Sts branched from base, spreading, 

 3-6 dm long: Ifts deltoid, 10-12 mm long, 

 denticulate except near the base: pod 3-5 

 mm broad, unarmed, strongly reticu- 

 lated, the reticulations extending to the 

 edge and appearing as a row of tuber- 

 cles on either side of the margin. Eu. 



Abrams, Fl LA 210. LA; Pasadena. 

 MEDICAGO DENTTCULATA Willd. 



Slender, much branched, decumbent, 

 glabrous an; Ifts obovate to obcordate, 

 toothed above: fls sm, y, 2-3 or rarely 

 more on axy peduncles: pods coiled, 

 margins armed with hooked prickles. 

 Burr-clover. Eu. 



Davidson, Erythea 1:58, LA Co. 



Abrams, Fl LA 210. Everywhere 

 common. 

 MEDICAGO LUPULJNA Unn. 



More or less pilose-pubescent: sta 

 procumbent or ascending, 2-4 dm long: 

 Ifts broadly obovate, denticulate above: 

 fls in short spikes on slender peduncles, 

 y, scarcely 2 mm long: legume 1-seeded, 

 smooth, reniform, the acuminate tip 

 coiled. Eu. 



Abrams, Fl LA 211. Lytle creek. 

 MEDICAGO OBBICTJI.ABIS All. 



Much branched and spreading: Ivs 

 obcordate, denticulate above: stipules 

 laciniate: peduncles 1-2-fld: pods un- 

 armed, veiny, about 1 cm broad. Eu. 



Abrams, Fl LA 211. Santa Ana 

 (Helen D. Geis). 

 MEDICAGO SATIVA Linn. 



Sts erect from a deep per tap-rt, 

 glabrous, o-lO dm hi: Ifts cuneate-ob- 

 long to oblanceolate, toothed above: fls 

 many in a short raceme, violet: pod 

 spirally coiled, unarmed. An occasional 

 escape. 



L, Sp PI 2:778 (1753). 



