NO. 2 GENTRY : LAND PLANTS 199 



ca to Ecuador and the West Indies. A scandent shrub with shiny thick- 

 ish leaves. The genus is distinctive in the Polygalaceae because of the 

 samaroid fruits. 



EUPHORBIACEAE 



AcALYPHA viLLOSA Jacq., Enum. PL Carib. 32. 



Golfo de Dulce, March 26, Elmore F9. 



Widely dispersed in tropical America. The determination by Croizat 

 is based on vegetative characters, female flowers being absent, and it is 

 therefore tentative. 



HiPPOMANE MANCINELLA L., Sp. PL 1191. 1753. 



Port Parker, Salinas Bay, March 24, Elmore E4, shaded in moist 

 sand of the upper beach. 



This small tree, with poisonous apple-like fruits, is common along 

 the Pacific beaches and is found nearly throughout the tropical Americas. 



Anacardiaceae 



Anacardium occidentale L., Sp. PL 383. 1753. 



Golfo de Dulce, March 26, Elmore F20. 



Widely distributed in the New World tropics, naturalized in the 

 Old World tropics. This is the Cashew Tree. Both the fruit, borne on 

 the fleshy receptacle, and the receptacle itself are edible. 



HiPPOCRATEACEAE 



HiPPOCRATEA OBOVATA Pittier, C.N.H. 12:176. 1909. 



Port Parker, Salinas Bay, March 24, Elmore E14, shaded on moist 

 sandy rocky stream bank at 20 feet elev. 



Endemic to Costa Rica where it occupies the forests and thickets of 

 the Pacific tierra caliente. The flowers are reported by Elmore to be 

 greenish white. 



Malvaceae 



Hibiscus tiliaceus L., Sp. PL 694. 1753. 



Golfo de Dulce, March 26, Elmore F18, shaded in moist sandy soil 

 of the upper beach; flowers yellow turning dark orange or reddish on 

 withering. Port Parker, Salinas Bay, Elmore E5. 



Widely distributed as a littoral plant in tropical regions. On the 

 west coast it is known as far north as central Sinaloa (Altata, Gentry 

 5427), Mexico. The pressed flowers on the herbarium sheet are a dark 

 purple or brown. 



BOMBACACEAE 



BoMBACOPSis SESSiLis (Benth.) Pittier, C.N.H. 18:162. 1916. 

 Southwest Island of the Secas group, off Costa Rica, March 27, 



