FLORA OP THE GALAPAGOS ISLANDS. 129 



of this species, and am inclined to believe that the plants so referred by- 

 Hooker and Anderssou will prove to be forms rather of C. esculentus. 



C. suranimensis, Rottb. Descr. Nov. PI. 35, t. 6, f. 5 (1786); 

 Kunth, Euum. ii. 43; Hook. f. (3), 177 ; Anderss. (1), 153,* & (2), 54. 

 — James Isl. : Darwin, ace. to Hook, f., 1. c. Further distrib. trop. 

 S. Am., Mex., W. Iiid., S. United States. 



C. tristachyus, Boeck. Linnaea, xxxv. 454 (1867-18G8) ; Rob. & 

 Greenm. (1), 148. — Chatham Isl.: southwest end, middle region, 

 Baur, no. 316 (lib. Gr.). Further distrib. Venezuela, Colombia, south- 

 ern central Mexico. 



C. sp. — Narborough Isl.: southern part, altitude 615 m., S nod- 

 grass & Heller, no. 337 (lib. Gr.). 



C. sp. Wenman Isl. : dried stalks of a Cyperus are mentioned in 

 Mr. Heller's field notes, as observed on a small islet near Wenmaii. 



DlCHRONEMA, Michx. 



D. leucocephala, Michx. Fl. i. 37 (1803); Rob. & Greenm. (1), 

 148. — Chatham Isl. : southwest end, middle region, Baur, no. 353 (hb. 

 Gr.). Further distrib., S. United States, Mex., VV. Ind. 



Eleocharis, R. Br. 



E. fistulosa, Schult. Mant. ii. 89 (1824); Caruel (1), 622.— 

 Chatham Isl. : CJiierchi'a, ace. to Caruel. Further distrib. trop. of the 

 Old World. I cannot help a strong suspicion that this when reexam- 

 ined will prove to be the following species. 



E. mutata, R. Br. Prodr. 224 (1810). Scirpus mutatus, L. Syst. 

 Nat. ed. 10, 867 (1760). — Albemarle Isl.: Elizabeth Bay, Snod- 

 grass & Heller, no. 261 (hb. Gr.). Further distrib. S. Am., W. Ind. 



FlMBRISTTLIS, Valll. 



F. capillaris, Gray, Man. Bot. ed. 5, 567 (1869). Scirpus capillar 

 ris, L. Sp. 49 (1753). — Bindloe Isl.: Snodgrass & Heller, no. 

 790 a (hb. Gr.). Narborough Isl.: Mangrove Point, near beach in 

 crevices of lava, abundant, Snodgrass & Heller, no. 304 (lib. Gr.). 

 Further distrib. N. Am., Mex., W. Ind., southward to Uruguay. 



F. diphylla, Vahl, Enum. ii. 289 (1805). — Hood Isl.: Snod- 

 grass & Heller, no. 730 (lib. Gr.). Widely distrib. in trop. regions. 



VOL. XXXVIII. 9 



