FLORA OP THE GALAPAGOS ISLANDS. 125 



Chaetochloa seio.w, Scribn. U. S. Div. Agros. Bull. iv. 39 (1897). C 

 caudata, Scribu. Rep. Mo. Bot. Gard. x. 52 (1899). C. setosa & C. 

 caudata, Scribn. & Merrill, U. S. Div. Agros. Bull. xxi. 38, 39, f. 23, 

 24. Panicum caudatum^ Lam. 111. i. 171 (1791). P. setosuvi, Sw. 

 Prodr. 22 (1788). — Galapagos Ids.: Douglas (lib. Gr.). Albe- 

 marle IsL. : Macrae? Iguana Cove, growing 4.5 to G dm. high and 

 woodv at base, very common under Opuntia thickets, Snodgrass & 

 Heller^ no. 35 (lib. Gr.); coramou everywhere from beach to GOO m. 

 altitude, the most abundant grass, Snodgrass & Heller, no. Ill (lib. Gr.) ; 

 north mountain, Elizabeth Cove, S)iodgrass & Heller, no. 285 (hb. Gr.); 

 Tagus Cove, Snodgrass & Heller, no. 205 (lib. Gr.). Barrington 

 IsL. : Snodgrass & Heller, no. 470 (hb. Gr.). Chatham Isl. : An- 

 dersso7b (hb. Gr.) ; southwest end, lower region, Baur, no. 321 (hb. Gr.); 

 Snodgrass & Heller, no. 553 (hb. Gr.). Duncan Tsl. : Snodgrass 

 & Heller, no. G92 (hb. Gr.). Hood Isl. : Snodgrass & Heller, no. 

 718 (hb. Gr.). James Isl.: James Bay, Snodgrass & Heller, no. 394 

 (hb. Gr.). Narborough Isl. : Snodgrass & Heller, no. 349 (hb. Gr.), 

 P'urther distrib. trop. regions. 



S. n. sp. ? Hook. f. (3), 172; Anderss. (1), 139, & (2), 47. —Albe- 

 marle Isl. : Macrae. Not seen by the writer. Endemic so far as 

 known. 



Sporobolus, R. Br. 



S. DOMiNGENSis, Kunth, Enuni. i. 214 (1833). — Abingdon Isl. : 

 Snodgrass & Heller, no. 811 (hb. Gr.). Albemarle Isl.: Iguana 

 Cove, Snodgrass & Heller, nos. 140 (hb. Gr.), 8G2 (hb. Gr.). Hood 

 Isl.: Snodgrass & Heller, no. 717 (hb. Gr.). Further distrib. Mex., 

 W. Ind. 

 ^ S. iNDicus, R. Br. Prodr. i. 170 (1810) ; Kunth, Enum. i. 211 ; 

 Anderss. (1), 146, & (2), 50; Camel (1), G21 ; Vasey, U. 8. Dept. 

 Agric. Div. Bot. Bull. iii. 21, t. 7 (1887). »S'. tenacissimxis, Beanv. 

 Agrost. 26 (1812). — Charles Isl. : in upper grassy places, Andersson 

 (hb. Gr.). Chatham Isl. : Chierchia. Further distrib. U. S., Max., 

 S. Am., W. Ind., Old World. 



^ S. viRGiNicus, Kunth, Rev. Gram. i. 67 (1829), & Enum. i. 210 ; 

 Anderss. (1), 146, & (2), 51. Agrostis virginica, L. Sp. 63 (1753). 

 DistlchUs sp. Rose (1), 138. — Albemarle Isl. : Elizabeth Cove, 

 Snodgrass & Heller^ no. 271 (hb. Gr.) ; Tagus Cove, Snodgrass & 

 Heller, nos. 151 (hb. Gr.), 210 (hb. Gr). Chatham Isl.: on banks 

 near salt water, Andersson (lib. Gr.) ; A. Agassiz (hb. (Ir.) ; Snodyrass 



