444 Trans. Acad. Sci. of St. Louis. 



T. BICOLOR Sw. 



A woody climber in fertile soil in savannahs, not frequent. 

 Cieneguita, June 13, '95. (183.) 



T. laurifolia Vent. " Nigua de pareddn." 



A low climbing shrub, much branched. Not frequent, 

 savannahs. Cieneguita, May 23, '95. (77.) 



T. volubilts L. " Nigua." 



A profuse low woody climber, coast hills, not uncommon. 

 Calicita, June 5, '95. (134.) 



Heliotropium Indicum L. " Alacroncillo." 



A common herb (weed) in waste places, fields, etc. Fre- 

 quent in early spring. Jurugua, Sept. 14, '95. (612.) 



H. parviflorum L. " Alacroncillo." 



Not uncommon in fertile sandy soil along the coast at Cali- 

 cita. June 12, '95. (179.) 



H. inundatdm Sw. " Alacroncillo." 



Common in wet fertile soil, waste places. Cieneguita, 

 June 21, '95. (174.) 



H. curassavicum L. " Alacroncillo de playa." 



Common on sandy beach at Calicita. May 31, '95. (96.) 



H. humifusum Kth. 



A small spreading decumbent shrub, 3 to 6 inches in dia- 

 meter, when in natural state ; lying flat on the sand, in small 

 sandy places along rocky sea-shore. Castillo de Jagua, Sept. 

 16, '95. (568.) 



CONVOLVULACEAE. CXX1I. 



Ipomoea Bona-nox L. " Flor de la Y." 



Common in fertile soil in waste places and along brooks. 

 Cieneguita E., Feb. 24, '96. (716.) 



