Vol. I] STEWART— BOTANY OF THE GALAPAGOS ISLANDS 49 



IsL. : Wreck Bay, on rocks, 650-700 ft, (no. 1158). Inde- 

 fatigable IsL. : Academy Bay, occasional in vegetable mold 

 among rocks in open woodland at 400 ft. (no. 1159) ; north- 

 west side, common above 500 ft. (no. 1155). The specimens 

 from Albemarle and Indefatigable Ids. were determined by Mr. 

 Casimir de Candolle. Further distr. Mex., S. Am. 



P. obtusilimba C. DC. nov. sp. 



Foliis ternis-quaternis breviter petiolatis subovato-ellipticis basi et 

 apice rotundatis utrinque glabris superne minutissime in margine 

 ciliatis, 5-nerviis, nerviis tenuissimis; nervulo marginali obscuro ab 

 apice fere usque ad medium decurrente; petiolo margine minute cilia- 

 tis ;_spicis axillaribus terminalibusque, pedunculis minutissime puberulis 

 petiolos superantibus; spicis ipsis limbos multo vel pluries superan- 

 tibus filiformibus sublaxifloris, bractea orbiculari centro subsessili; 

 ovario obovato emerso fere in apice stigmatifero, stigmate minuto 

 glabro; bacca subovato-globosa glandulis asperulata. Caulis Vz mm. 

 crassus minutissime puberulus. Limbi in sicco membranaceis rufes- 

 centes epunctati, usque ad 10 mm. longi et 5 mm. lati. Petioli VA mm. 

 longi. Pedunculis usque ad 6 mm. longi. Spicae terminales 5 cm. 

 axillares 2j^ cm. longae, ^ mm. crassae. Bractea diametro >4 mm. 

 brevior. Bacca >4 mm. paululo longior. 



Charles Isl. : common on rocks and low bushes at 1400 ft. 

 (nos. 1160-1161). Endemic. 



P. petioIataHook. f. (3), 181 ; Rob. (1), 131.— James Isl. : 

 Darwin. Endemic. 



P. ramulosa Anderss. (1), 158, and (2), 57; Rob. (1), 131. 

 — Charles Isl. : common in decayed moss on the branches of 

 trees at 1700 ft. (no. 1162). Endemic. 



P. Snodgrassii C. DC. in Rob. (1), 131. — Albemarle Isl.: 

 Iguana Cove, Snodgrass and Heller. Endemic. 



P. Stewartii C. DC. nov. sp. 



Foliis sat longe petiolatis oblongo-ovatis basi acutis apice subacutis, 

 utrinque glabris superne margine ciliolatis, 6-nerviis, nerviis tenuis- 

 simis; petiolo margine crispulo-hirtello; pedunculis terminalibus gla- 

 bris petiolos fere aequantijjus; spicis folia pluries superantibus sub 

 densifloris; bractea obovata supra centrum longiuscule pedicellata; 

 antheris rotundatis quam filamenta multo brevioribus; ovario emerso 

 ovato apice obtuso, stigmate puberulo; bacca ovata glandulis globosis 

 asperata. 



Caulis crispulo-hirtellus filiformis fere ^^ mm. crassus. Folia 

 alterna, internodia 6-7 mm. longa. Limbi in sicco membranacei, superi 

 15-18 mm. longi et 8-9 mm. lati, inferi magis ovati. Petioli circiter 6 

 mm. longi. Spicae circiter 5 cm. longae et 1 mm. crassae. Bracteae 

 infimae orbiculares, aliae ut in diagnosi. Ovarium paullo sub apice 

 stigmatiferum. Bacca 1 mm. longa, sessilis. 



