238 Anacardaceae 



arising from the center as in the Geraniaceae, cleft above 

 into as many stigmas as there are carpels. Fruit very 

 deeply 2-5-lobed, the carpels indehiscent, rough or tuber- 

 cled. 



1. LIMNANTHUS K. Br. 



Low diffuse annuals, growing near water, with showy 

 white or rose-colored flowers solitary on axillary ped- 

 uncles. Carpels subglobose, at first fleshy, becoming 

 hard and rugose. 



1. Ii. Douglasii R. Br. Glabrous throughout, diffusely branch- 

 ed from the base, the weak and succulent stems 15-45 cm. long; 

 leaflets incisely lobed or parted with linear acute lobes; ped- 

 uncles 5-10 cm. long; sepals lanceolate, 6-8 mm. long; petals 

 oblong or obovate, emarginate or truncate, 12-16 mm. long, yel- 

 low ; style very slender, 6-8 mm. long. 



Growing in wet places. Reported from Los Angeles and San Bernardino. 



Family 50. ANACARDACEAE. SUMAC FAMILY. 



Shrubs or trees with a resinous and usually acrid juice, 

 alternate simple or compound exstipulate leaves. Flowers 

 small, regular, mostly 5-merous, often polygamous or dioe- 

 cious, variously clustered. Stamens as many or twice 

 as many as the petals. Ovary free, 1-celled and 1-ovuled ; 

 styles sometimes 3. Fruit drupaceous. 



1. RHUS L. 



Shrubs or small trees with simple or pinnate decidu- 

 ous or evergreen leaves, and small flowers in axillary 

 and terminal panicles or sometimes in racemes or spikes. 

 Sepals and petals usually 5. Stamens as many or twice 

 as many, with subulate filaments inserted under the 

 edge of a disk lining the base of the calyx. Fruit a 

 small dry drupe. Seed pendulous upon a slender funic- 

 ulus rising from the base of the cell. 



