COOK AND COLLINS—ECONOMIC PLANTS OF PORTO RICO. 243 
Solanum seaforthianum. Faisa BELLADONA. 
A biennial climbing or trailing vine 2 to 3 meters high: cultivated in gardens for 
its handsome flowers. (Stahl, 6: 137.) 
A plant that was taken for this species was called “‘aguinaldo’ at Cataiio. 
Solanum torvum. BERENGENA CIMARRONA. PLATE LV. 
This is a rank, shrubby species, very abundant in Porto Rico. — It nay also be 
found useful as a stock on which to graft the eggplant. See Solanwm melongenda 
atend. (Stahl, 6: 132.) 
Solanum tuberosum. Potato. Parara, 
The potatoes are usually called ** papas *’ in Spanish countries, although ** patata ”’ 
is generally recognized as the more correct form of the word, 
Solanum verbascifolium. TAaBacon areLPapo. 
A woody shrub, 2 meters high, found in waste places. (Stahl, 6: 139.) 
Solanum virgatum. BrERENGENA DE PALOMA, 
(Stahl, 6: 275.) 
Sonajuelas. See Crotalaria retusa. 
Sonchus arvensis. CHICORIA. 
Reported by Bello. 
Sonchus oleraceus. CHIcorta, 
An herbaceous composite weed, common to all the world. (Stahl, 5: 154.) 
Souari nut. See Curyocar nuciferum., 
Sour grass. 
A name applied to various species of Paspaluin. 
Sour orange. See Citrus bigaradia. 
Sour sop. See -lLnona muricata, 
Soushumber. See Solanwm mammosum. 
This is also spelled ** susumber,”’ and is a Jamaica name, 
Spanish cedar. See Cedrela odorata. 
Spanish elm. See Cordia gerascanthoides, 
Spanish plum. See Spondias purpurea. 
Sparganophorus vaillantii. Yerba pe rasa. 
A composite herb, 50 centimeters high, common throughout tropical America. 
(Stahl, 5: 100.) 
Spermacoce ocymoides. Boronciuuo. 
Family Rubiaceae. 
Spermacoce parviflora. CLAVELILLO, 
Specimens from Toa Alta (no, 882). 
Spermacoce portoricensis. Poaya, 
An herbaceous annual, 50 centimeters high, found in dry pastures. (Stahl, 
5: 87.) 
Spermacoce verticillata. Boron Buanco. Boton BLANCO DE ARENALES. 
Stem shrubby, 3 or 4 feet (about 1 meter) high, growing preferably in dry soil. 
Specimens from Lares are in the National Herbarium (Sintenis, no, 5082), 
Sphenoclea zelanica. CAMPANILIA. 
Family Campanulaceae; an herb found in inundated places. (Stahl, 6: 32.) 
Spiderwort. See Tradescautia. 
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