FLORA OF THE GALAPAGOS ISLANDS. 175 



S. angustifolia, Lam. Diet. i. 4 (1783). S. tenuicaulis, Hook. f. 

 (3), 232, ace. to E. G. Baker. S. spinosa & S. tenuicaulis, Anderss. 

 (1), 229, & (2), 98. S. spinosa, var. angustifolia, Griseb. Fl. Brit. 

 W.-Iad. 74 (1859); E. G. Baker, Jour. Bot. xxx. 237. S. rhombi- 

 folla, Rob. & Green m. (1), 145, in part (as to pi. Charles and pi. Inde- 

 fatigable). — Albemarle Isl. : Lee (lib. U. S. Nat. Mus.) ; Iguana 

 Cove, Snodgrass & Heller, nos. 84 (lib. Gr.), 104 (lib. Gr.). Charles 

 Isl.: Andersson; Baur, no. 17 (hb. Gr.) ; Snodgrass & Heller, no. 

 438 (lib. Gr.). Chatham Isl. : lower region, Andersson (hb. Gr.). 

 Duncan Isl.: Snodgrass & Heller, no. 701 (lib. Gr.). Gardner 

 Isl. : Snodgrass & Heller, no. 629 (hb. Gr.). Indefatigable Isl. : 

 Andersson ; south of Conway Bay, Baur, no. 18 (hb. Gr.). James Isl : 

 Darwin ; Andersson. Narborough Isl.: northern part, Snodgrass & 

 Heller, no. 298 (lib. Gr.). Further distrib. general in warm countries. 



S. cordifolia, L. Sp. 684 (1753) ; K. Schum. in Mart. Fl. Bras, 

 xii. pt. 3, 331, t. 62. — Albemarle Isl.: Iguana Cove, below 310 m. 

 alt., Snodgrass & Heller, no. 860 (hb. Gr.). Sterile. Further distrib. 

 general in trop. and subtrop. regions. 



S. paniculata, L. Syst. ed. 10, 1145 (1760) ; Rob. & Greenm. (1), 

 145; E. G. Baker, Jour. Bot. xxx. 294. S. atrosanguinea, Jacq. Ic. 

 Rar. t. 136. S. floribunda, HBK. Nov. Gen. & Sp. v. 258, t. 473 

 (1821). — Galapagos Ids.: Hahel ace. to Hemsl. in litt. Albe- 

 marle Isl. : Iguana Cove, Snodgrass & Heller, nos. 71 (hb. Gr.), 

 86 (hb. Gr.). Charles Isl.: Baur, no. 19 (hb. Gr.) ; Snodgrass 

 & Heller, no. 401 (hb. Gr.). Further distrib. trop. S. Am., W. Ind., 

 Mex. 



S. rhombifolta, L. Sp. 684 (1753); Hook. f. (4), 262; Anderss. 

 (1), 229, & (2), 98; Rob. & Greenm. (1), 145, in part (as to pi. 

 Chatham); E. G. Baker, Jour. Bot. xxx. 239, q. v. for synon. — 

 Charles Isl. : Edmonston ; Lee (hb. U. S. Nat. Mus.) ; Snodgrass & 

 Heller, no. 448 (lib. Gr.). Chatham Isl. : stony places, lower region, 

 Andersson ; southwest end, middle region, Baur, no. 15 (hb. Gr.) ; 

 Snodgrass & Heller, no. 532 (hb. Gr.). Further distrib. general in 

 warm countries. 



S. spinosa, L. Sp. 683 (1753); Gray, Syn. Fl. i. pt. 1, 324.— 

 Galapagos Ids. : Hahel. Albemarle Isl. : common on tufa soil, 

 Tagus Cove, Snodgrass & Heller, no. 206 (hb. Gr.). Further distrib. 

 general in warm countries. In distinguishing this species and S. angus- 

 tifolia, I have followed Dr. Gray's treatment and distinctions. 



