WESTERN TROPICAL AMERICA. 77 
AMPELIDE.* 
115. Cissus salutaris, Humb. et Kunth?—DC.? Prod. 1. 630.—Guayaquil. 
A single specimen in an imperfect state. 
116. Cissus obtusata, sp. n., foliis simplicibus obovatis ovatisve obtusissimis vel vix obtuse acu- 
minatis basi angustato-cuneatis 5-nerviis, margine minute et remote dentatis, utrinque ramulisque 
glabris, umbelle glabra ramis 5 bifidis cymosis.—Panama. 
Folia 2-3-pollicaria, longiuscule petiolata, basi sepe ineequilatera, dentibus argutis seepe obsoletis. Pedun- 
culi petiolo sublongiores, angulato-striati. 
There are also very incomplete specimens of another simple-leaved Cissus 
from Columbia, perhaps new, but not in a state to be determined. 
GERANIACEE. 
117. Tropmotum Moritzianum, Link. Kl. et Otto, Ic, Rar. p. 41. t. 17.—Guayaquil. 
OXALIDACEZ. 
118. Oxauis Neei, DC. Prod. 1. p. 690.—Zuce. Oxal. Nachtr. p. 86.—Acapulco; Tiger 
Island, Gulf of Fonseca. 
119. Oxatis microcarpa, sp. n., caulescens, erecta, pubescens, foliolis 3 ovato-vel oblongo- 
rhombeis obtusiusculis basi cuneatis ciliatis utrinque puberulis subtus glaucis, terminali distante, late- 
ralibus ineequilateris, pedunculis elongato-bifidis multifloris, sepalis acutis capsulas sequantibus.— 
Columbia. 
Herba humilis, vix unquam in speciminibus pedalis, apice more 0. Barrelieri et affinium alternatim vel 
fasciculatim foliosa, plus minus pubescens. Stipule inconspicuw. Petioli graciles, pollicares, Foliolum termi- 
nale 6-10 lin. longum vel rarius pollicare, lateralia minora, angustiora, in speciminibus ibs args fere ave 
Pedunculus 2-3-pollicaris, gracilis, ramis demum ultrapollicaribus simplicibus. Flores breviter pedicellati, 1 lin. 
longi. Stamina longiora et styli apice pilis paucis barbata. Capsule loculi monospermi. 
Allied to O. Barrelieri and O. hedysaroides, but more slender and readily dis- 
tinguished by the small size of the flowers and especially of the fruit. 
* There are specimens in the collection of Metra Azedarach, Linn., belonging to Meliacew, and of a 
Species or variety of Citron, belonging to Aurantiacea, which I have omitted as not being indigenous. 
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