FLORA OF THE GALAPAGOS ISLANDS. 127 



Snodgrass & Heller's no. 132 (lib. Gr.) from Iguana Cove, Albemarle 

 Isl., with irregular unequal rayed umbels and remarkably slender spikes, 

 has closely similar floral structure and is probably an extreme form of 

 this species. 



C. confertus, Sw. Prodr. 20 (1788), & Fl. Ind. Occ. i. 115; 

 Anderss. (2), 54; Rose (1), 138. C. biuncialis, Anderss. (1), 15G, & 

 (2), 56. C. dissitiflorus, Anderss. (1), 153, & (2), 54. — Albemarle 

 Isl. : Andersson (lib. Gr.) ; Iguana Cove, Snodgrass & Heller, no. 907 

 (lib. Gr.). Bindloe Isl. : Snodgrass & Heller, no. 784 (lib. Gr.). 

 Charles Isl. : Andersson (lib. Gr.) ; A. Agassiz (lib. Gr.) ; Snod- 

 grass & Heller, uos. 403 (lib. Gr.), 458 (lib. Gr.). Chatham Isl.: 

 Andersson ; A. Agassiz ; Snodgrass & Heller, no. 500 (hb. Gr.). 

 Duncan Isl. : Snodgrass & Heller, no. 684 (lib. Gr.). Hood Isl. : 

 Snodgrass & Heller, no. 742 (hb. Gr.) Indefatigable Isl. : An- 

 dersson. James Isl. : Andersson. Further distrib. trop. Am. 



C. escdlentus, L. Sp. 45 (1753) ; Kunth, Enum. ii. 61 ; Anderss. 

 (1), 153, & (2), 54. C. strigosus, Anderss. 11. cc, at least in part ? 

 not L. — Albemarle Isl.: Tagus Cove, in damp soil of canons, Snod- 

 grass & Heller, no. 179 (hb. Gr.). Chatham Isl. : in grassy places, 

 Andersson (lib. Gr.). Further distrib. general. 



C. fugax, Liebm. Mex. Halv. 8 (1850), & Vidensk Selsk. Skr. ser. 

 5, ii. 196 (1851); Rob. & Greenm. (1), 148. — Chatham Isl. : south- 

 west end, middle region, Baur, no. 311 (lib. Gr.). Further distrib. 

 Mex. A species referred by Hook. f. & Jacks. Ind. Kew. i. 693 to 

 Pycreus polystachyus. 



C. galapagensis, Caruel (1), 621. — Chatham Isl.: Chierchia. 

 Endemic. 



C. grandifolius, Anderss. (1), 157, & (2), 56. — Chatham Isl.: 

 in ditches filled with water in the interior part of the island, Andersson. 

 Endemic. 



C. laevigatus, L. Mant. ii. 179 (1771). — Albemarle Isl.: Eliza- 

 beth Cove, Snodgrass & Heller r no. 260 (hb. Gr.). Further distrib. 

 cosmop. trop. 



C. ligclaris, L. Amoen. Acad. v. 391 (1760). Mariscus rnfus, 

 HBK. Nov. Gen. & Sp. i. 216, t. 67 (1815). — Albemarle Isl.: 

 Elizabeth Cove, Snodgrass & Heller, nos. 263 (lib. Gr.), 264 (hb. Gr.) ; 

 Iguana Cove, Snodgrass & Heller, no. 861 (lib. Gr.) ; Tagus Cove, 

 Snodgrass & Heller, no. 191 (lib. Gr.). Further distrib. W. Ind., 

 trop. S. Am., trop. Africa. 



