COOK AND COLLINS—ECONOMIC PLANTS OF PORTO RICO. 248 
Solanum seaforthianum. FAtLsa 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 Catan. 
Solanum torvum. BERENGENA CIMARRONA. PLATE LV. 
This is a rank, shrubby species, very abundant in Porto Rico. It may also be 
found useful as a stock on which to graft the eggplant. See Solanwnm melongena 
atend. (Stahl, 6: 132.) 
Solanum tuberosum. PoraTo. PATATA. 
The potatoes are usually called ‘‘ papas ’’ in Spanish countries, although ‘‘ patata ”’ 
is generally recognized as the more correct form of the word. 
Solanum verbascifolium. TABACON AFELPADO, 
A woody shrub, 2 meters high, found in waste places. (Stahl, 6: 139.) 
Solanum virgatum. BERENGENA DE PALOMA. 
(Stahl, 6: 275.) 
Sonajuelas. See Crotalaria retusa. 
Sonchus arvensis. CHICORIA. 
Reported by Bello. 
Sonchus oleraceus. CHICORIA. 
An herbaceous composite weed, common to all the world. (Stahl, 5: 154.) 
Souarinut. See Caryocar nuciferum. 
Sour grass. 
A name applied to various species of Paspalum. 
Sour orange. See Citrus bigaradia. 
Sour sop. See Anona muricata. 
Soushumber. See Solanum 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. YrERBA DE FAJA. 
A composite herb, 50 centimeters high, common throughout tropical America. 
(Stahl, 5: 100.) 
Spermacoce ocymoides. BorTonci.o. 
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 BLANco. BoTON BLANCO DE ARENALES. 
Stem shrubby, 3 or 4 feet (about 1 meter) high, growing preferably in dry soil. 
Specimens from Lares arein the National Herbarium (Sintenis, no. 5082). 
Sphenoclea zelanica. CAMPANILLA. 
Family Campanulaceae; an herb found in inundated places. (Stahl, 6: 32.) 
Spiderwort. See Tradescantia. 
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