COOK AND COLLINS—ECONOMIC PLANTS OF PORTO RICO. 1438 
species is not known from Porto Rico, and the Porto Rican form is admitted by 
Urban to be easily distinguished by several characters, there seems little warrant 
for setting aside De Candolle’s species, E. portoricensis, According to Stahl, E. 
pseudopsidinm is called ** guayabillo’’ and is a tree or shrub 8 to 4 meters high, 
found rarely in mountains and waste places. (Stahl, 4: 84.) 
Eugenia sintenisii Kr. & Urb. 
A striking species, with nearly round, heavily veined leaves. (Urban, Add. 2: 
168. ) 
Eugenia serrasuela. SERRASUELA. 
An indigenous myrtaceous tree of doubtful specific identity. Reported by Bello 
only from the vicinity of Anones as Huyenia costata. (Urban. Add, 2: 170.) 
Eugenia stahlii. 
Called ‘ guayabota’’ and ‘*limoncillo.”” A tree 60 feet (18 meters) in height, 
indigenous and peculiar to Porto Rico, Luquillo, Adjuntas, Penuelas. A smaller 
closely related species, F. sintenisii, is known only from El Yunque and from the 
Sierra de Naguabo, (Urban, 2: 168.) 
Eugenia tetrasperma. GUASABARA. 
Tree or shrub 5 meters high; native in the forests. (Stahl, 4: 80.) 
Eupatorium dalea. GUERRERO. 
A composite shrub 6 to 10 feet (2 to 3 meters) high; a rum made from the 
leaves and flowers is used in medicine. (Stahl, 5: 114, as Critonia dalea.) 
Eupatorium macrophyllum. TurMa ToRo. 
An erect, herbaceous annual, 1 meter high, frequenting mountain shades. 
(Stahl, 5: 109.) 
Eupatorium odoratum. Santa Maria, 
A woody herb, 1 to 2 meters high, annual, found in waste places. (Stahl, 
5: 111.) 
Eupatorium polyodon. Santa Makita. 
A recently described shrub of 2 to 6 meters, from Bayamon, Cayey, Aibonito, 
Maricao, and Mayaguez. It is Eupatorinm triste of Stahl, which was not the 
true species of De Candolle. (Urban, Symb. 1: 462.) 
Eupatorium portoricense. (GUERRERO. 
A shrub or tree, from 2 to 5 meters high. It grows in the mountains as well as 
in the thickets along the seashore, and has been introduced into cultivation. 
(Urban, Syinb. 1: 459.) 
Eupatorium resinifluum. GUERRERO. 
A shrubby species attaining only 1 or 2 meters; known from Adjuntas and 
Maricao. (Urban, Symb. 1: 462.) 
Eupatorium triste. See Eupatorium polydon. 
Eupatorium villosum. OREGANILLO. 
A shrub1 to 4 meters high. The variety dolicholepsis is known from several 
localities in the north and northwestern parts of the island. (Urban, Symb. 
1: 462.) 
Euphorbia. 
A large genus of the Euphorbiaceae or spurge family, represented by numer- 
ous species in Porto Rico. These are mostly small herbs or low shrubs of no 
economic value. 
Euphorbia buxifolia. 
Family Euphorbiaceae; shrubby, 1 foot high (30 centimeters), frequenting the 
rocky seashore near Guinaca. 
