SO0OK AND COLLINS—-ECONOMIC PLANTS OF PORTO RICO. 137 
Drymaria cordata. YERBA DE ESTRELLA. 
Family Caryophyllaceae; an herbaceous reclining annual, 15 centimeters high, 
frequenting moist, shady places. (Stahl, 2: 56.) 
Drypetes alba. CAFFEILLO. 
Family Euphorbiaceae. <A native tree reaching a height of 40 feet (12 meters); 
reported from mountain forests, Sierra de Luquillo, and also between Adjuntas 
and Ponce. (Urban, Add. 1: 71.) 
Drypetes glauca. VARITAI. 
Also called ‘‘ caffeillo”’ and ‘‘ palo blanco.’”’ A euphorbiaceous shrub generally 
distributed in the native forests; Luquillo, Yabucoa, Penuelas, Adjuntas, Jayuya, 
Maricao. Drypetes lateriflora is known from Bayamon. (Urban, Add. 1: 73. 
Drypetes ilicifolia. ENcINILLO. 
An indigenous shrub, 10 to 15 feet (8 to 4.5 meters) high, found by Stahl (4: 37) 
on the calcareous rocky hills along the north coast, between Cangregos and Loiza, 
and supposed to be a species of Ilex; secured by Gundlach at Arecibo. (Urban, 
Add. 1: 68.) 
Duranta plumieri. Luvvia. 
Family Verbenaceae, a shrub 6 to 15 feet (2 to 4.5 meters) high; in moist, sunny 
places, also cultivated in gardens; collected at Manuabo. According to Bello 
this is also called ‘‘ azote-caballo”’ and ‘‘lila.”’ (Stahl, 6: 212.) 
Earth nut. See Arachis hypogea. 
Ecastaphyllum brownei. See Dalbergia ecastaphyllum. 
Ecastaphyllum monetaria. See Dalbergia monetaria. 
Eechites circinalis. BaBeiro. 
Family Apocynaceae. (Stahl, 6: 79.) 
KEchites andrewsii. BABEIRO AMARILLO. 
A woody climber, 3 to 4 meters high, reported from Manati. (Stahl, 6: 82,as 
HH. neriandra. ) 
Echites paludosa. 
An apocynaceous vine, native in several of the Bahamas, Cuba, Haiti, Jamaica, 
and Panama. According to Grisebach’s Flora (p. 406) this species is a source of 
rubber in Jamaica. 
Echites umbellata. Basrrro. 
A woody herb, 3 to 5 meters high, occurring in shady waste places. (Stahl, 
6: 79.) 
Felipta alba. See Helipta erecta. 
Eclipta blanca. See Eclipta erecta. 
Eclipta erecta. 
Family Compositae. (Stahl, 5: 132, as Helipta alba.) 
Eddoe. See Colocasia esculenta. 
Eggplant. See Solanum melongena. 
Egyptian privet. See Lawsonia inermis. 
Ehretia bourreria. 
Family Boraginaceae; a branching tree,8 to 14 feet (2.5 to 4.5 meters) high; it 
bears small edible berries, and in Jamaica is called ‘‘ currant tree.’”’> Known from 
Yabucoa. 
Elaeis guineensis. AFRICAN OIL PALM. 
The African oil palm, Elaeis guineensis, furnishes the chief article of export and 
isthe principal basis of the commerce of West Africa. Two products are exported— 
the oil, derived from the reddish exterior of the pulp of the fruit, and the kernel, 
