COOK AND COLLINS—ECONOMIC PLANTS OF PORTO RICO. 245 
Stemodia durantifolia. VrRontIca. 
Family Scrophulariaceae: an herbaceous annual, 30 centimeters high, In 
Jamaica various medicinal properties are attributed to it. (Stahl, 6: 237.) 
Stemonacanthus coccineus. See Ruellia coccinea. 
Stenolobium caeruleum. See Calopogoninm caerulenm. 
Stenostomum lucidum. See Antirrhoea floribunda and A. lucida, 
Stenostomum resinosum. See Langeria resinosa. 
Sterculia carthaginensis. ANAcAGiiras, PLATE LVI, 
A fine South American tree, with large 5-lobed leaves. The flowers are very 
white, streaked and spotted with dull purple. A single specimen was seen ina 
dooryard along the road between Ponce and Adjuntas. A decoction is believed 
to be beneficial in catarrhal affections, and the popular name may have been 
applied on this account, being used in Mexico for species of Cordia supposed to 
have similar properties. 
Stigmatophyllon chrysophylla. See Heteropteris bellonis. 
Stigmatophyllon floribunda. Brsuco pe PARaLEso. 
Family Malpighiaceae; a vine found on the south coast. (Stahl, 2: 147.) 
Stigmatophyllon periplocifolium. Brsvco pr ParaLeso. 
Not known to Stahl, but reported from the south coast. (Stahl, 2: 147.) 
Stigmatophyllon puberum. Brsuco pe PaRaLEJo. 
A pubescent vine found flowering at Humacao. (Stahl, 2: 146.) 
Stillingia sebifera. See Supinum sebiferim. 
Strainer vine. See Luffa acutangula. 
Strawberries. 
No record of the introduction of strawberries into Porto Rico has been found, 
but they are grown successfully on the mountains in Jamaica. 
Stylosanthes procumbens. ZArZABACOA ENANA, 
Family Viciaceae; an herbaceous. pubescent herb, 30 centimeters high, found 
along sandy coasts. Our specimens were obtained on the Pozuelo estate near the 
bay of Jobos, This is a deep-rooting, vigorous, though rather slender. species and 
may possibly be of interest in view of its habitat. (Stahl, 3: 35.) 
Styrax portoricensis. 
Family Styracaceae; a native forest tree reported from the mountain forests of 
the eastern part of the island, Luquillo, Naguabo, and Juncos. (Urban, Add. 
1: 53.) 
Suelda con suelda. See Boussingaultia baselloides, 
Sugar. See Saccharum officinarum. 
Sunn hemp. See note under Crotalaria retusa, 
Supple Jack. See Panullinia curassavica. 
Surahwa nut. See Caryocar nuciferum. 
Suriana maritima. TEMPORANA. 
Family Simarubaceae. Reported by Bello, 
Susumber. See Solanieim mamimosum. 
A Jamaican name for Solanim mammostm, used in that island as a stock for 
grafting the eggplant. 
Sweet lemon. ; 
The sweet lemon, or [/mon dulee, is a citrous type very little known and not 
likely to become popular with the American public, but quite generally cultivated 
and nsed in south European countries. No mature specimens of Porto Rican fruit 
were seen, but the wingless petioles of the leaves and the enormous spines of the 
