of the Galapagos Archipelago. 221 
breviter pedicellatis, calycis limbo obsoleto, corollà tubulosá extis villosà 
intüs barbatá laciniis linearibus obtusis reflexis, fructibus ellipticis. 
Hab. James Island, Charles Darwin, Esq. 
Rami robusti, glaberrimi, leves, siccitate nigri, albo-maculati, ultimi infra stipulas sub- 
tomentosi. Folia 3-5-pollicaria, patentia, plana, subtüs pilis mollibus pubescentia, ad 
nervos rufo-tomentosa, margine integerrimo plano. Petioli 3-4 lin. longi, rufo-tomen- 
tosi. Stipule coriacez, extüs subpubescentes, rard bidentate. Panicula uncialis, 3- 
ramosa. Flores 2 lin. longi, extüs pilis albidis villosi. Fructus 2} lin. longus ; carpellis 
dorso 8-10-sulcatis. 
PonrULACE E. 
192. Sesuvium Epmonstonet, Hook. fil.; ascendens, caule basi lignoso di- 
chotomé ramoso ramisque siccitate cellulis furfuraceis undique obsitis, 
foliis internodio longioribus linearibus obtusis integerrimis basi gradatim 
angustatis carnosis, floribus axillaribus terminalibusque breviter peduncu- 
latis, pedunculis cum flore zequilongis basi bibracteolatis, calycis laciniis 
lanceolatis acuminatis. 
Hab. Charles Island, A. Goodridge, Esq. 
Caules basi angulatim flexuosi, teretes, crassitie penne anserinz, ramique siccitate e cel- 
lularum serie externo inflato furfuracei. Internodia vix uncialia. Folia uncialia, 1-11 
lin. lata, valdé carnosa. Bracteolz opposite, oblonga, subscariose. Pedunculus 4 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 latè ovatis. Petala 5, subzequalia, 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 placentz basilari funiculis elongatis adnexis. 
Suffrutex? perennis, glaberrima, siccitate nigricans, ramis teretibus strictis, apices versus 
Joliosis. Folia petiolata, patentia, elliptica, utrinque attenuata, longè acuminata, inte- 
gerrima. Flores in paniculas breves paucifloras terminales dispositi, breviter pedicellati, 
inconspicui. Calyx parvus, carnosus. Petala majuscula. 
193. PrLeurorerTaLuUM Darwinu, Hook. fil. 
Hab. James Island, Charles Darwin, Esq. 
262 
