DIVISION EIGHT — SCIENCE. 639 



LeguminoscB . 

 VICIA Tourn. Vetch. 



V. AMERICANA Muhl. O. K., A. S. March — May. 

 V. EXIGUA Nutt. Arroyo Seco. March— April. 

 V. SATiVA Linn. O. K., Sierra Madre. March — April. 

 LATHYRUS Linn. 



L. VESTiTus Nutt. (Wild Pea.) A. S., O. K., Canyons S. G. Mts. February- 

 May. 



ASTRAGALUS Tourn. Rattle-Weed. 



A. LEUCOPSis Torr. Com. in open unbroken soil. March — May. 

 AMORPHA Linn. ' 



A. CALiFORNiCA Nutt. S. G. Mts. 3,000 feet. May— June. 

 PSORALEA Linn. 



P. MACROSTACHYS DC. A. S., Canyous south of Pasadena. May— June. 



P. ORBICULARIS Lindl. Arroyo Seco. April — May. 



P. PHYSODES DougL Arroyo Seco. June — July. 

 LOTUS Tourn. 



L. AMERICANUS (Nutt.) Bisch. Frequent below 1,500 feet. May— July. 



L. ARGOPHYLLUS (Gray) Greene. S. G. Mts. 3,000-5,000 feet. April— June. 



L. GLABER (Torr.) Greene. Com. in unbroken soil below 3,000 feet. 



L. NEVADENSis (Wats.) Greene. A. S., Canyons of S. G. Mts. below 2,500 feet. 

 April— July. 



L. OBI.ONGIFOIJUS (Benth ) Greene. Arroye Seco. April — ^June. 



L. SAivSUGiNOSUS Greene. Frequent in shaded soil below 1,500 feet. March — 

 April. 



L. STRIGOSUS (Nutt.) Greene. Com. below 2,000 feet. January — May. 

 TRIFOLIUM Linn. Clover. 



T. CILIOLATUM Benth. Com. below 1,800 feet. April — May. 



T. GRACILENTUM T. & G. Com. below 1,800 feet. April — Mfay. 



T. INVOI^UCRATUM WiUd. Frequent below 1,800 feet April — May. 



T. MACR^i H. & A. var. albopurpureum (T. & G.) Greene. Com. below 1,800 feet. 

 April — May. 



T. MICROCEPHALUM Pursh. Com. below 1,800 feet. April — May. 



T. ROSCIDUM Greene. O. K. , A. S., Canyons of S. G. Mts. below 2,500 feet. May 

 August. 



T. STENOPHYLLUM Nutt. Oak Knoll. March — April. 

 MELILOTUS Tourn. Sweet-clover. 



M. ALBA Lam. Arroy Seco. May — August. 



M. INDICA All. Com. in shaded soil below 1,500 feet. April — ^July. 

 MEDICAGO Linn. 



M. denticuIvATa Willd. (Burr-clover.) Com. below 2,000 feet. January — ^June. 



M. SATIVA Linn. (Alfalfa.) Frequent along streets and roads whither it has es- 

 caped from fields. 

 LUPINUS Linn. Lupine. 



L. AFFiNis Ag. Oak Knoll. March — May. 



L. ALBiFRONS Benth. Arroyo Seco. April — ^June. 



L. CYTisoiDES Ag. A. S., Canyons of S. G. Mts. below 3,000 feet. May — ^July. 



L. FORMOSUS Greene, var. bridgesii (Wats.) Greene. Com. below 2,500. 



L. HIRSUTISSIMUS Benth. O. K., A. S., foothills S. G. Mts. March— May. 



L. MICRANTHUS Dougl. Com. below 2,000 feet. January — May. 



L. SPARSIFLORUS Benth. Frequent below 3,000 feet. March — May. 



L. TRUNCAXUS Nutt. Com. below 3,000 feet. March — May. 



DIVISION II. SYMPATAL.^: - United-petaled Plants. 



EricacecB. 

 ARBUTUS Tourn. 



A. MENZiESii Pursh. (Madrona.) S. G. Mts. Confined to a narrow belt at about 

 3,000 feet. March — April. 

 ARCTOSTAPHYLOS Adans. Manzanita. 



A. PUNGENS HBK. S. G. Mts. 4,000 feet to near summit. February — March. 

 A. TOMENXOSA Dougl. S. G. Mts. 2,000-4,500 feet. March — April. 



