FLORA OP THE GALAPAGOS ISLANDS. 129 



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

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



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

 Ivunth, Eiium. 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., AV. Ind., S. United States. 



C. TRisTACHYus, Boeck. Linnaea, xxxv. 454 (1867-1868); Rob. & 

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

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

 ern central JVIexico. 



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

 grass & Heller, no. 337 (hb. 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 Wenman. 



DiCHRONEMA, Michx. 



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

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

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



Eleocharts, R. Br. 



E. FisTULOSA, Schult, Mant. ii. 89 (1824); Cariiel (1), 622. — 

 Chatham Isl. : ChierchiU, ace. to Caruel. Fui-ther 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). Scirjnis mutatus, L. Syst. 

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

 grass & Heller^uo. 261 (hb, Gr.). Further distrib. S. Am., W. Ind. 



FlMBRISTYLIS, Vahl. 



F. CAPiLLARis, Gray, Man. Bot. ed. 5, 567 (1869). Scirptts capilla- 

 ris, L. Sp. 49 (1753). — Bindloe Isl.: S)iodgrass & Ileller, no. 

 790a (id>. Gr.). Narborough Isl.: JManjjiove Point, near beach in 

 crevices of lava, abundant, Snodgrass & IlcUer, no. 304 (hb. Gr.). 

 Further distrib. N. Am., INIex., AV. Ind., southward to Uruguay. 



F. DiPHYLLA, Vahl, Enuin. ii. 289 (1805). — Iloon Isl.: /Snod- 

 grass & Jleller, no. 730 (hb. Gr.). Widely distrib. in trop. regions. 



VOL. XXXVIII. — 9 



