of the Galapagos Archipelago. 203 



antherce inclusae. Ovarium disco carnoso insertum ; stigmate capitato. Capsula evalvis, 

 indehiscens, bisulcata, incomplete 4-Iocularis, calyce ventricoso inclusa. Semina plu- 

 rima, majuscula, tuberculata, dissepimento medio prope angulum parietalem affixa; 

 testa nitida obscure granulata. Embryo arcuatus. 

 Herbae Americanae repentes, glanduloso Q)-pubescentes, cum tribu Daturearum, suadente 

 clariss. Miers, conferenda. Folia membranacea, angulata v. sinuata, subopposita v. bina. 

 Flores axillares. 



140. DiCTYOCALYX MiERSii, Hook.Jil.; caulc herbaceo procumbente (?) flexu- 

 oso glanduloso-pubescente, foliis ssepihs binis long^ petiolatis triangulari- 

 V. rhombeo-ovatis repando-dentatis petiolisque pubescentibus, floribus 

 axillaribus longfe pedunculatis, corolla subinfundibuliformi tubo vald^ 

 elongato limbo breviter 5-fido segnientis rotundatis acuminatis tri- 

 nerviis, capsula ovata acuta sub 4-gona calyce merabranaceo subinflato 

 nervoso inclusa, seminibus majusculis. 



Hab. Charles and Albemarle Islands, Charles Darwin, Esq. ^ Mr. Macrae. 



Caules ^ pedales et ultra, herbacei, divaricatim flexuosi, uti tota planta pliis minusve glan- 

 duloso-pubescentes. Folia magnitudine varia, 1-2 unc. lata, interdiim profundi sinuato- 

 dentata, tenera; petiolis lamina bis terve longioribus, divaricatis. Flores numerosi, 

 solitarii, v. rariiis bini, longitudine sat variabiles, pedunculo folio ^ breviore. Calyx 

 cylindraceus, sub y unc. longus, nervosus, 5-fidus, segmentis acutis. Corolla mem- 

 branacea, 1-2^ unc. longa, gradatim superne ampliata, extus puberula, limbo brevi vix 

 explanato. Stamina 5 ; filamentis gracilibus ; antheris inclusis. Ovarium parvum, 

 disco carnoso insertum ; stylo elongato ; stigmate subcapitato, incluso. Capsula ater- 

 rima, nitida, utrinque bisulcata, calyce ventricoso, membranaceo, reticulatim venoso 

 obtecta ; pedicello fructifero plerumque deflexo. Semina plurima, pro genere maxima, 

 atra, nitida, subtuberculata. 



This plant I find nowhere described, though it exists in the Hookerian Her- 

 barium, from various parts of the coasts of Peru and Columbia. It appears, 

 judging by Galapagoan specimens, to vary considerably in the size of all its 

 parts. From Nicotiana it is remarkably distinguished by the large seeds, 

 curved embryo, habit and minor points. 



141. AcNisTus i^LhiVTicvs, Hook.Jil. ; fruticosus, ramis lignosis apices versus 

 foliosis, foliis petiolatis ellipticis utrinque attenuatis integerrimis glaber- 

 rimis, floribus ad axillas foliorum plurimis longfe pedicellatis, pedicellis 



VOL. XX. . 2 E 



