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., Canyons south of Pasadena. May— June. 



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



P. PHYSODES Dougl. Arroyo Seco. June— July. 

 LOTUS Tourn. 



L. AMERICANOS (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. OBLONGiFOLius (Benth ) Greene. Arroye Seco. April — ^June. 



L. S.^LSUGiNOSUS 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 [,800 feet. April — May. 



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



T. INVOLUCRATUM Willd. 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. microcephaIvUM 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 

 Aus^ust. 



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. 

 MEDIC AGO Linn. 



M. DENTICUL^TA Willd. ( Burr-clover.) Com. below 2,000 feet. January^une. 



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 — IMay. 



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. bridghsii (Wats.) Greene. Com. below 2,500. 



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



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



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



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



DIVISION II. SYMPATAL^E - XJnited-petaled Plants. 



EricaceiT. 

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



