of the Galapagos Archipelago. 227 



209. Phaca Edmonstonei, Hook.Jil. ; caule decumbente subramoso petiolis- 

 que subsericeis, foliolis sub 9-jugis angust^ elliptico-obovatis subacutis 

 utrinque sericeo-pubescentibus, pedunculis folium superantibus, racemis 

 oblongis paucifloris, dentibus calycinis subulatis, petalis breviusculis, 

 leguminibus obovatis inflatis breviter stipitatis tenuissim^ tomentosis 

 demiim glabratis. 



Hab. Galapagos, Adm. Du Petit Thouars. Charles Island, T. Edmonstone, Esq. 



Radix lignosus ; caulis validus, crassitie pennse corvinae, simplex v. basi divisus, substriatus, 

 puberulus ; stipulis acute semisagittatis. Foliola ^-|-uncialia, utrinque sed subter prae- 

 cipue sericeo-pubescentia. Pedunculi floriferi foliis ^ longiores, axillares, suberecti, apice 

 floriferi, fructiferi 8-10 unc. longi. Racemus oblongus, sub 15-florus. Flores vix ^ unc. 

 longi. Calyx sericeus, vexillo ^ brevior. Petala brevia, latiuscula. Legumen char- 

 taceum, tenuiter tomentosum, pallide flavidum, obovatum, apice abrupte acuminatum, 

 basi in stipitem brevem attenuatum. Semina sub 12, imbricata, oblique reniformia, 

 compressa, fusco-castanea, sub 2 lin. longa. 



A very handsome and distinct species, allied to the P. densifolia, Sm., which 

 is smaller, more villous, has 15 jugate leaflets of a much shorter and broadly- 

 ovate figure, and longer petals : also to P.macrodon, Hook., of the same coun- 

 try, vi'hich may readily be distinguished by the calycine teeth. 



210. Desmodium filiforme, Hook.Jil.; tota velutino-pubescens, caule sim- 

 pliciusculo gracili elongato, foliis sparsis pinnatim trifoliolatis ; foliolis 

 ovato-lanceolatis acutis utrinque pubescentibus lateralibus minoribus ; 

 petiolo retrorsilm piloso, stipulis parvis raembranaceis glaberrimis, ra- 

 cemis terminalibus elongatis laxifloris, floribus remotis, pedicellis soli- 

 tariis v. binis gracilibus, bracteis lineari-subulatis, calycis pilosi laciniis 

 acuminatis. 



Hab. James Island, Charles Darwin, Esq. 



Caulis bipedalis, subfiliformis. Petioli § unc. longi. Foliola pallide viridia, ^ unc. longa, 

 venosa, utrinque piloso-pubescentia. Racemi 2-4 unc. longi, flexuosi, 8-10-flori. Flores 

 ut videtur flavi. Pedicelli ^ unc. longi. Calyx breviter campanulatus. Corolla 4 lin. 

 longa. Legumina desunt. . . 



211. Rhynchosia reticulata, DeC. Prodr. vol. ii. p. 385. '- v'- 

 Hab. Chatham Island, Charles Darwin, Esq. West Indies, Peru, &c. 



VOL. XX. 2 H 



