COOK AND COLLINS—ECONOMIC PLANTS OF PORTO RICO. 169 
Ipomoea carnosa. BEJUCO DE PUERCO DE COSTA. 
A climbing vine growing in the sands along the coast. According to Bello this 
species is called ** batatillo*’ in the western part of the island. (Stahl, 6: 161.) 
Ipomoea cathartica. BEJUCO DE GLORIA. 
A vine found in waste places along the coast. (Stahl, 6: 166.) 
Ipomoea ciliolata. BrJUCO DE PUERCO BLANCO. 
A climber occurring in all parts of the island. (Stahl, 6: 153.) 
Ipomoea coccinea. See Quamoclit coccinea. 
Ipomoea dissecta. Noyo. 
A climber, cultivated in gardens; its leaves have an odor of prussic acid. (Stahl, 
6: 150.) 
Ipomoea fastigiata. BEJUCO DE PUERCO. 
A twining vine found in waste places. The tuberous roots are called wild pota- 
toes in Jamaica. (Stahl, 6: 156.) 
Ipomoea filiformis. CAMBUTERA DE COSTA, 
A much-branched vine found on the coast plains. (Stahl, 6: 163.) 
Ipomoea pentaphylla. BaATaTILLA BLANCA. 
A twining climber found in waste places. (Stahl, 6: 151.) 
Ipomoea pes-caprae. See Ipomoea biloba. 
Ipomoea quamoclit. See Quamoclit quamoclit. 
Ipomoea quinquefolia. BATATILLA BLANCA. 
A climber found in the southern part of the island. (Stahl, 6: 153.) 
Ipomoea sericantha. BATATILLA DE ZAETA. 
A creeping vine, in sands between Vega Baja and Manati. (Stahl, 6: 162.) 
Ipomoea setifera. BEJUCO DE PUERCO. 
A woody vine found in all parts of the island. (Stahl, 6: 152.) 
Ipomoea triloba. BEJUQUILLO DE PUERCO. 
A vine 3 to 4 feet (about 1 meter) long, found in hedges, flowering in winter. 
(Stahl, 6: 157.) 
Ipomoea umbellata.* AGUINALDO AMARILLO, 
A twining vine found in different parts of the island. (Stahl, 6: 159.) 
Ipomoea ventricosa. BATATILLA VENTRUDA. 
(Stahl, 6: 277.) 
Iresine argentata. 
Family Amarantaceae; reported from Juya. 
Isotoma longiflora. TIBEY BLANCO. 
Family Campanulaceae; an herbaceous annual growing in dry, rocky localities. 
Near Toa Alta this species was called simply ‘‘ tibey."’. According to Dr. Stahl, it 
is reputed to be poisonous, but no direct evidence is given. (Stahl, 6: 27.) 
Ixora ferrea. PALO DE HIERRO. 
Family Rubiaceae; a tree or shrub 3 meters high, found on mountain slopes 
and waste places. (Stahl, 5: 63.) 
Jaboncilla. 
Captain Hansard calls this ‘‘soapwort;'’ specific gravity 0.63. Probably the 
same as ‘‘ jaboncillo.”’ 
Jaboncillo. See Sapindus saponaria and S. marginalis. 
Jacana. See Lucuma multiflora. 
A wild tree, 40 feet (12 meters) high, with a trunk 2 feet (60 centimeters) in 
diameter. Furnishes a rather strong, light-colored, flexible wood, used only for 
fuel. (Grosourdy, 2: 391). 
Specific gravity 0.920. (Exp, 1857.) See also note under Acana. 
