of the Galapagos Archipelago. 205 



rotundatis sinu acuto supern^ productis summo apice obtusis submem- 

 branaceis venosis, pednnculo solitario unifloro petiolis longiore, pedicello 

 brevi sub calyce vix incrassato, calycis angust^ campanulati foliolis ovato- 

 oblongis acuminatis, corollae tubo elongate infundibuliformi calyce tripl5 

 longiore limbo patente, staminibus inclusis. 

 Hub. James Island, Charles Darwin, Esq. 



Caules graciles, subnitidi, crassitie pennas corvinae. Folia laete viridia, 2-3 unc. longa, sub 

 2 unc. lata, petiolo | unc. longo. Pedunculus validus, uncialis et ultra ; pedicello cras- 

 siore, 2 lin. longo, calyce paulo longiore. Calyx pro magnitudine floris parvus, | unc. 

 longus. Corolla rosea, 2 unc. longa, tubo basi vix 2 lin. diametro, ore unciali. Stamina 

 inclusa ; antheris parvis. Stigma capitato-bilobum. 



Of this plant there is only a sohtary specimen in Mr. Darwin's Herbarium. 



145. EvoLVULUs GLABRiuscuLus, Choisy, Diss. Sec. Convolv. p. 156. 

 Hub. James Island, Dr. Scouler. 



M, Choisy looks upon this as identical with the West Indian plant, and 

 different from the E. alsinoides, a widely diffused species, with which it has 

 many points in common. 



146. CuscuTA Sandvicensis, Choisy, Monogr. Cuscut. p. 180. 

 Var. Mimosoe, pedicellis florum brevioribus, seminibus fulvis. 



Hab. James Island : in immense abundance amongst Mimosa bushes, Charles Darwin, Esq. 



Except by the characters above cited, I am unable to distinguish this from 

 the Sandwich Island plant described by Choisy. 



Apocyne^. 



147. Vallesia glabra, Link (Rauwolfia, Cav.). 



Hab. Chatham Island, Charles Darwin, Esq. Also found in the West Indies and on the 

 South American continent, both on the eastern and western coasts. 



There is probably but one hitherto-described species of the genus. 



GOODENOVI^. 



148. Sc^vola Plumieri, Vahl. 



Hab. Chatham Island, Charles Darwin, Esq. 



Professor Henslow remarks that one of these specimens is in a monstrous 



2 E 2 



