Escaped from cultivation, originally Euro- 

 pean. 



14, Lathyrus L. WILD PEA. 



Style ventrally flattened toward the apex, 

 concave, pilose along the inner side. Leaves 

 paripiunate, ending in branched tendrils. 71. 



1. L. VESTITUS Nutt. Leaves cirrhate; pe- 

 duncles oo-flowered; petals rose-color, chang- 

 ing before withering into violet. It- Com- 

 mon. Summer. 



2. L. PALUSTEIS L. Leaves cirrhate; pedun- 

 cles 2-6-flowered; petals purple. Marin Coun- 

 ty. Summer. 



2. L. LITTORALIS Endl. Leaves not cirr- 

 hate; leaflets 1-3 pairs and a small terminal 

 one; vexillum purple; wings and carina pale. 

 Marin County. Summer. 



15, Cercis L. 



RED-BUD. JUDAS-TREE. 



Stamens not diadelphous, anterior longer 

 than the posterior ones; anthers versatile. 

 Petals unguiculate, those forming the carina 

 separate, and larger than the rest. Legume 

 flat, stipitate, co-seeded; ventral suture 

 winged. ^ . Flowers purple in axillary fasci- 

 cles. Leaves simple, appearing after the flow- 

 ers. 



1. C. OCCIDENTALS Torr. Petals'rose-color. 

 Sunol. Spring. 

 12 



