of the Galapagos Archipelago. 219 



obtusis marginibus vix recurvis supra hispidis subtiis glabriusculis, fructu 



glaberrimo. 

 Hab. Albemarle Island, Mr. Macrae. 

 A priore, cui valde affinis, difFert ramis ramulosis, ramulis foliiferis longioribus, et praecipue 



foliis latioribus obtusis paginaque superiore scabridis. 



184. BoRRERiA DiVARicATA, Hook.fil.; caulc pi'ostrato ? lignoso, ramis tereti- 

 bus divaricatim ramosis virgatis remote foliosis, cortice pallid^ cinereo, 

 ramulis tetragonis scaberulis, foliis parvis fasciculatis oblongis obtusis 

 coriaceis rigidis margine ciliatis pagina superiore hispidulis, floribus in- 

 conspicuis, lobis calyeinis acuminatis subciliatis, coroUse tubo brevi fauce 

 long^ barbata, fructu glaberrimo. 



Hah. Charles Island, Charles Darwin, Esq. 



Sufrutex parvulus. Caulis spithamaeus, teres, strictus, parce divaricatim ramosus. Rami 



ultimi angulati v. tetragoni, scaberuli, remote foliosi. Folia sub 1 lin. longa, in ramulos 



breves fascieulata. 



185. BoRRERiA FALCiFOLiA, Hooh.Jil. ; caule tereti robusto lignoso, ramis elon- 

 gatis strietis gracillimis parc^ ramosis, ramulis divaricatis angulatis gla- 

 briusculis, foliis parvis linearibus obtusis basi subattenuatis supr^ 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, vi^hether 

 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. Chiococca trisperma, Hook.Jil.; foliis petiolatis ovato- vel elliptico- 

 lanceolatis utrinque attenuatis acuminatis glabris coriaceis subnitidis, 

 stipulis latissimis breviter cuspidatis, racemis multifloris, corollse tubo 

 calyce quadruple longiore, staminum filamentis glaberrimis, ovario pro- 

 funde trilobo, fructu triloculari loculis 1-spermis. 



Hab. Chatham Island, Charles Darwin, Esq. " .■ 



VOL. XX. 2 G 



