of the Galapagos Archipelago. 221 



breviter pedicellatis, calycis limbo obsolete, corolla tubulosa extils villosS. 

 intiis barbata laciniis linearlbus obtusis reflexis, fructibus ellipticis. 

 Hab. James Island, Charles Darwin, Esq. 



Rami robusti, glaberrimi, laeves, siccitate nigri, albo-maculati, ultimi infra stipulas sub- 

 tomentosi. Folia 3-5-pollicaria, patentia, plana, subtiis pilis moUibus pubescentia, ad 

 nervos rufo-tomentosa, margine integerrimo piano. Petioli 3-4 lin. longi, rufo-tomen- 

 tosi. StipulcB coriaceae, extus subpubescentes, raro bidentatae. Panicula uncialis, 3- 

 ramosa. Flores 2 lin. longi, extus pilis albidis villosi. Fructus 2| lin. longus ; carpellis 

 dorso 8-10-suleatis. 



PORTULACE^. 



192. Sesuvium Edmonstonei, Hooh.fil.; ascendens, caule basi lignoso di- 

 chotomy ramoso ramisque siccitate ceilulis furfiiraceis undique obsitis, 

 foliis internodio longioribus linearibus obtusis integerrimis basi gradatim 

 angustatis carnosis, floribus axillaiibus terminalibusque breviter peduncu- 

 latis, pedunculis cum flore sequiiongis basi bibracteolatis, calycis laciniis 

 lanceolatis acuminatis. 



Hab. Charles Island, A. Goodridge, Esq. 



Caules basi angulatim flexuosi, teretes, crassitie pennae anserinae, ramique siccitate e cel- 

 lularum serie externo inflato furfuracei. Internodia vix uncialia. Folia uncialia, 1-lj 

 lin. lata, valde carnosa. Bracteolae oppositae, oblongae, subscariosas. Pedunculus i unc. 

 longus. Perianthium basi conicum, laciniis erectis concavis, apicibus uncinatim incurvis, 

 marginibus membranaceis inflexis. Stamina plurima, inclusa. Ovarium oblongum. 

 The narrow foliage and other characters will amply distinguish this species 

 from its congeners. 



Pleuropetalum, n. g. 



Calyx persistens, bipartitus, sepalis late ovatis. Petala 5, subcequalia, libera, concava, cori- 

 acea, siccitate multicostata. Stamina 8, toro inserta, filamentis in tubum membranaceum 

 coalitis, antheris elongatis ovarium vix superantibus. Styli 4, lineares. Ovarium uni- 

 loculare, pluri-ovulatum ; ovulis placentae basilar! funiculis elongatis adnexis. 



Suffrutex? perennis, glaberrima, siccitate nigricans, ramis teretibus strictis, apices versus 

 foliosis. Folia petiolata, patentia, elliptica, utrinque attenuata, longi acuminata, inte- 

 gerrima. Flores in paniculas breves paucifloras terminates dispositi, breviter pedicellati, 

 inconspicui. Calyx parvus, carnosus. Petala majuscula. 



193. Pleuropetalum Darwinii, Hooh.Jil. 

 Hab. James Island, Charles Darwin, Esq. 



2 G 2 



