198 Dr. J. D. Hooxer’s Enumeration of the Plants 
118. T. PuBEscENs, Hook. fil.; suffruticosa erecta ramosa, ramis teretibus 
nudis, ramulis velutinis foliosis, foliis petiolatis elliptico-ovatis subacutis 
in petiolum attenuatis suprà-pubescentibus subrugosis subtüs molliter 
velutinis, pedunculis terminalibus ramosis, spicis dichotomis, corollae 
tubo calyce bis longiore, drupa dipyrena pilosa. 
Hab. Chatham Island, Charles Darwin, Esq. 
Rami lignosi, teretes, cortice fusco. Ramuli teretes, breviusculi, crassitie penne gallinaceze, 
tomento brevi brunneo obtecti. Folia patentia, 2-uncialia, 2-1 unc. lata, subrigida, 
utrinque attenuata, integerrima, suprà subrugosa, pilosa v. subscabrida, pilis albidis, 
subtüs velutina, pilis appressis griseis, nervis prominentibus; petiolis 1 unc. longis. 
Spice 14-16, corymbosz, rariüs subsolitariz, pedunculis pedicellisque pubescentibus. 
Calyx parvus, hispido-pubescens, segmentis obtusis.. Corolle tubus 1 lin. longus, 
lobis obovato-rotundatis patentibus. Drupa conica, 1} unc. longa, siccitate nigra, ob- 
scuré 4-loba; nuculis 2 osseis collateralibus 2-locularibus. Testa albida, membranacea : 
albumine copioso. 
Though very similar to several South American and West Indian species 
of this genus, I have been unable to refer it to any. 
119. T. pstuostacnys, H. B.K. Kunth, Synops. ; vide Linnea, vol. iv. p. 470. 
Hab. James Island, Mr. Douglas & Dr. Scouler. Very common in South America and the 
West Indies. - 
120. HELIoTROPIUM PARVIFLORUM, L. 
Hab. Charles Island, Charles Darwin, Esg. James Island, Douglas. Frequent in South 
America. The specimens from James Island are larger and with more tender 
foliage. 
121. H. Curassavicum, L. 
Hab. Chatham Island, Charles Darwin, Esq. Of common occurrence throughout the 
tropics. 
122. Corpia LUTEA, Lam. (C. rotundifolia, Ruiz & Pavon.) 
Hab. Chatham Island, Charles Darwin, Esq. Albemarle Island, Mr. Macrae. 
A particularly variable plant as regards pubescence and size, also in the 
marginal divisions of the leaf. Abundant in Peru and Columbia. 
