of the Galapagos Archipelago. 219 
obtusis marginibus vix recurvis suprà hispidis subtüs glabriusculis, fructu 
glaberrimo. 
Hab. Albemarle Island, Mr. Macrae. 
A priore, cui valdé affinis, differt ramis ramulosis, ramulis foliiferis longioribus, et przecipué 
foliis latioribus obtusis pagináque superiore scabridis. 
184. Borrerta pivaricata, Hook. fil.; caule prostrato? lignoso, ramis tereti- 
bus divaricatim ramosis virgatis remote foliosis, cortice pallidé cinereo, 
ramulis tetragonis scaberulis, foliis parvis fasciculatis oblongis obtusis 
coriaceis rigidis margine ciliatis paginá superiore hispidulis, floribus in- 
conspicuis, lobis calycinis acuminatis subciliatis, corollze tubo brevi fauce 
longè barbatá, fructu glaberrimo. 
Hab. Charles Island, Charles Darwin, Esq. 
Suffrutex parvulus. Caulis spithamzeus, teres, strictus, parc? divaricatim ramosus. Rami 
ultimi angulati v. tetragoni, scaberuli, remote foliosi. Folia sub 1 lin. longa, in ramulos 
breves fasciculata. 
185. Borreria rFALciFOLIA, Hook. fil. ; caule tereti robusto lignoso, ramis elon- 
gatis strietis gracillimis parcé ramosis, ramulis divaricatis angulatis gla- 
briusculis, foliis parvis linearibus obtusis basi subattenuatis suprà scabe- 
rulis medio sulcatis marginibus scaberulis revolutis, fructu glaberrimo. 
Hab. Albemarle Island, Mr. Macrae? (in Herb. Hook.). 
A very distinct species, though, like the former, the only peculiarity lies in 
the leaves, which in all the Galapagos Island species of this genus, whether 
gathered by Darwin or Macrae, present tangible and constant specific charac- 
ters. All the above differ exceedingly from their congeners on the American 
coast. 
186. SPERMACOCE TENUIOR, L. 
Hab. James Island, Charles Darwin, Esq. 
187. Cutococca TRISPERMA, Hook. fil.; foliis petiolatis ovato- vel elliptico- 
lanceolatis utrinque attenuatis acuminatis glabris coriaceis subnitidis, 
stipulis latissimis breviter cuspidatis, racemis multifloris, corolla tubo 
calyce quadrupld longiore, staminum filamentis glaberrimis, ovario pro- 
fundé trilobo, fructu triloculari loculis 1-spermis. 
Hab. Chatham Island, Charles Darwin, Esq. 
VOL. XX. 26 
