278 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY " 
PLUMBAGO SCANDENS. Guapote. Rubefacient. 
PoRTULACA OLERACEA. Decoction is anthelmintic and refre 
Portutaca Pitosa. Verdolaga salvaje. A bitter and tonic 
Scoparta putcis. Razz de escobilla.. A decoction used to re 
diarrhea and vomiting. 
Sma RHomIFOLIA. LEscoba blanca 6 babosa. The root is a diw 
SPoNDIAS LUTEA. Cortezade Jobo. A decoction is used to cautel 
stubborn ulcers. 
STACHYTARPHETA JAMAICENSIS. Verbena. A bitter, tonic, 
febrifuge. 
TRIXIS RADIALE. Juan de la Calle. Antirheumatic. 
TURNERA DIFFUSA. Contains damiana, a stimulant tonic; in la 
quantities a laxative. 
TURNERA ULMIFOLIA. Carminative and tonic. 
Distribution of the Plants. 
It may easily be seen from the description of the physical f 
of the island that the variety of the vegetative conditions is very 2 | 
and also that the conditions for vegetative growth are much more 
favorable in the rainy than in the dry season, ‘The distribution of 
plants is naturally determined by their adaptation to particular 
ditions. | 
Bordering the sandy beaches are bushes of Tournefortia gnaph 
lodes and Suriana maritima, both of these being narrow-leaved, 
the former being woolly-pubescent. Croton flavens is a similar pi® 
Next inland occur the low spiny bushes of Castela Nicholson. * 
officinale. On the exposed rocky shores by Juan Griego, Euph 
thymifolia grows in abundance in almost no soil. 
__ The region nearest in character to the seashore is the lagoon. 
is often bordered by Rhizophora Mangle, Laguncularia 
and Avicennia nitida, all shrubby or aborescent plants. e in 
sandy stretches by the lagoons and sometimes partly submerged Mee, 
_ the water are the low succulent plants, Batis, Salicornia, and 280°” 
_ thema. Mingled with these in the drier places are Alter 
canescens and Iresine portulacoides, both having a low sprawling hal 
‘On the muddy shores of the brackish pond near Juan Griego grow’ 
