FLORA OF THE GALAPAGOS ISLANDS. 121 
Habel. James Ist.: Darwin, acc. to Hook. f.,1.c. Further distrib. 
trop. reg. 
Ertocuioa, HBK. 
E. pistacHya, HBK. Nov. Gen. & Sp. i. 95, t. 30 (1815); Kunth, 
Enum. i. 72. Helopus brachystachys, Trin. Sp. Gram. iii. t. 277 (1836). 
— Cuatuam Ist.: Snodgrass & Heller, no. 547 (hb. Gr.). Further 
distrib. continental S. Am, from Panama to Brazil. 
LepTocHioa, Beauv. 
L. ALBEMARLENSIS, Rob. & Greenm. (1), 145, 149. — ALBEMARLE 
Ist.: southern portion, ee no. 341 (hb. Gr.) ; Iguana Cove, Snod- 
grass & Heller, no. 58 (hb. Gr.). Endemic. 
L. ritiForMis, Roem. & Sch. Syst. ii. 580 (1817) ; Hook. f. Fl. Brit. 
Ind. vii. 298; not Beauv. — Duncan Isu.: Snodgrass & Heller, no. 697 » 
(hb. Gr.). Seymour Ist.: south, Snodgrass & Heller, no. 580 (hb. 
Gr.). Widely distributed in the tropics of both hemispheres. 
L. Linpteyana, Kunth, Rev. Gram, ii. 655, t. 215 (1829), & Enum. 
i. 525; Rob. & Greenm. (1), 149. L. hirta, Nees acc. to Steud. Syn. 
i. 209 (1855). L. Hookeri, Anderss. (2),51. Trichoneuron Hooker, 
Anderss. (1), 149, & (2), 51, t.1, £2. Calamagrostis pumila, Hook. 
f. (3), 176. — ALBEMARLE IsL.: Macrae (hb. Gr.); in the most sterile 
places, Andersson ; eastern portion, Baur, no, 242 (hb. Gr.) ; Tagus 
Cove, Snodgrass & Heller, no. 212 (hb. Gr.). Brnpior Ist. : Snod- 
grass & Heller, no. 790 (hb. Gr.). Cuaraam Isi.: Andersson. 
Endemic. 
L. mucronata, Kunth, Rev. Gram. i. 91 (1829). — BarrineTon 
Isu.: Snodgrass & Heller, no. 491 (hb. Gr.). Not previously observed 
on these islands. Further distrib. southern U. S., 
L. vircata, Beauv. Agrost. 71 (1812); Anderss. (1), 147, & (2), 51. — 
Cuartes Ist.: upper grassy region, Andersson (hb. Gr.). Further 
distrib. Mex., W. Ind. 
Op.ismMEnvs, Beauv. 
O. serartus, Roem. & Sch. Syst. ii. 481 (1817); Rob. & Greenm. 
(1), 148 (a species reduced by some to O. undulatifolius, Beauv.).— 
Cuatuam Ist. : southwest end, middle region, Baur, no. 322 (hb. Gr.). 
Further distrib. U. S., Mex., W. Ind., S. Am. The sterile and inde- 
terminate Oplismenus mentioned by Carel (1), 621, as collected on 
Chatham Isl. by Chierchia was probably of this species. 
