294 
CONTRIBUTIONS TO BOTANY. 
obcordatis, apice obtusis, retusis et mucronulatis, integris vel 
obsolete dentatis, 3-nerviis, utrinque sparsim puberulis, supra 
vu’idibus, subtus albido-pulverulentis, nervis rubescentibus, 
pellucidis ; petiolo brevi eanaliculato ; stipulis distinctis, op- 
positis, patentibus,rubellis, obsolete 2-dentatis ; floribus parvis, 
in axillis ramulorum 1 vel 2, peduneulo brevi, puberulo ; ealyce 
breviter tubuloso, extus imo puberulo, superne glabro, intus 
valde piloso, limbi laciniis 4, brevissimis, subpatentibus, petalis 
4, laciniis sequilongis, orbicularibus, cucullatis, antheris iis in- 
clusis ; drupa sicca ovali, mole fructus T. trinei-vis, apice re- 
trorsum albido-pilosa, imo calyce marcido fulta, nuce 1-3-locu- 
lari. — Chile, in montibus Prov. Rancagua et Colchagua. — 
v.s. in herb. Mus. Paris. Rancagua (Bertero, 193). 
The plant described by Dr. Clos (Gay^s specimen from the 
same locality), and referred by him to Retamilia, is evidently 
identical with the above species, which I have characterized from 
Bertero’s collection. I do not adopt his specific name, as all the 
species of Trevoa are spinigerous *. 
1. Trevoa Wedde.lliana, n. sp. ; — suffruticosa, spinosa, ramosa, 
ramulis teretibus, brachiatis, breviter pubescentibus, pilis pa- 
tentibus •, spinis decussatim oppositis, subulatis, pungentibus, 
divergentibus, ssepe foliosis ; ramulis junioribus foliiferis et 
fioriferis, ssepe inermibus; fohis oppositis, ovatis, integris, 
])arvulis, vernatione complicatis, Isete viridibus, subtus palli- 
dioribus, utrinque parce pubescentibus, nervis paucis superne 
immersis, inferne vix prominulis, inter se arcuatim nexis et ru- 
bellis ; stipulis utrinque profunde bifidis, laciniis anguste line- 
aribus, imo petioli adnatis, rubellis, pilosulis ; floribus 2-3 
folio sequilongis, peduneulo imo bracteolato, calycis tubo 
urceolato, imo subgloboso, puberulo, limbi laciniis 5, reflexis, 
tubi tertia parte longitudinis, apice intus callo carinaque me- 
diana notatis, carinis pilosulis ad basin tubi decurrentibus ; 
petalis 5, obovatis, cucullatis, imo unguiculatis, laciniis sequan- 
tibus, erectis;' staminibus iis I’econditis; disco poculiformi, 
omnino adnato ; ovario subglabro ; stylo erecto, piloso, fau- 
cem tubi attingente ; stigmate 3-lobo. — Bolivia, circa Chuqui- 
saca. — v.s. in het'b. Mus. Paris (Weddell, 1212). 
This plant greatly resembles T. trinervis in habit, but it has 
much smaller leaves, and is altogether more spinose. The iu- 
ternodes are 8-9 lines apart •, the spreading, decussating spines 
are about the same length ; the foliiferous branchlets are from 
i inch to 2| inches long, bearing about two flowers in the lower 
*■ A figure of this plant is given in this work, Plate 40 c. 
