364 



Bouteloua polystachya (Beuth.) Torr. Piic. R. R. Rep, v. pt. 2. 366, 1. 10 flSo?) ; Chon- 

 drosum poliistachiiuDi Benth. Hot. Voy. Suli)li. 56 (1844). In rich viilleyH. Agia- 

 buiiipo, OclolxT 3 to lo, 1800. N(». 791. 



Eleusine iiidica Ga^rtn. Frimt. i; M (1788). On wet bottoms. Colinui, January 9 to 

 iM'bruiiry, 1891. No. 120:1 



Cathe.'itccum. erectum Vasey & Hack. Bull. Torr. Bot. Club, xi. 37, t. 4o (1884). 

 Coliuia, .lauunry 9 to February 6, 1891. No. 1261. 

 A rcilucod form with short loaves aiid.short tlowcriug cuIiuh. 



Phragmites communis Triu. Fuu<l. Agrost. 251 (1820). Eight to ten feet high. 

 Comnnm about the margin of tlio lagoon. Manzauillo, December 1 to 31, 1890. 

 No. 1092. 



Eragrostis pallida Yasey, Contr. Nat. Herb. 1. 28.5 (189:J). Apparently annual; 

 euluis erect, more or less branclied at the base, 1^ feet high, smooth; leaves 2 or 

 3 on the culm, 3 to 5 inchca buig, erect, acuminate; ligulo inconspicuous, tmn- 

 cate; sheaths shorter than the interno«lea; panicle 6 to 9 inches long, + to f 

 incii wiiio, jiale, .stricit, sometimes interrupted below, crow<le<l above; l)ranche9 

 unequal, semiverticillate, numerous, the longer IJ inches long, strict, all closely 

 flowered to the base; spikelets 1 line long, .r)-11owered; empty glumes less 

 than i line hmg, l-nerved, subacute; tloral glumes } lino long, subacute, 

 3-norved. 

 Collected in a ditch. Coliraa, .January 9 to J>brnary 6, 1891. No. 1268. 

 At fust T thouglit this might be JC, aJha Presl, but it docs not answer the 

 descriiitiou; ni^tlier does the Californian species, ho called byUr. Thurber, which 

 is cjuite dillerent from the present s]>ecio8. 



Eragrostis ciliaris (L.) Link, Hort. Berol. i. 192 (1827); Foa ciliaris L. Sp. PI. ed. 

 2. i. 102 (1862). In gardens. Colima, January 9 to February 6, 1891. No. 1266. 



Eragrostis pluniosa, (Ret/.) Link, Hort. Berol. i. 192 (1827). Common on the low 

 ground between the mountains and the lagoon. Manzauillo, December 1 to 

 31, 1890, No. 1085. 



Eragrostis diversiflora Vasey, Contr. Nat, Herb, i, 285 (1893). Culms densely 

 tufted, 2 to 8 feet high, firm, leafy at the base, lower leaves 6 to 8 inches long, 

 gradually narrowed to long, setaceous points; sheaths smooth; ligule ciliate 

 with long hairs; upper leaves distant, filiform; ]>anicle spike-like, interrupted 

 bel()w, 7 to 10 inches long, f inch wide, the nearly sessile branches densely 

 crowded, interrupted and distant below, also on the same plant some panicles 

 open ami thinly dowered; spikel(^t^ linear, 3 to 4 inches long, 7- to'13-flowored 

 or on hiss ]ierf«;ct culms reduced to 5, 3, or 2; outer glumes ovate, subacute, 

 similar in texture to the iloral glumes, which.are ovate-lanceolate, rather thick, 

 snlxibtuse, smooth, the l/iteral nerves not ])rominent. 



Manzauillo, March 2 to 18,1891. No. 1335. Hero should be referred W. G. 

 Wriglit's No. 1318, from Mazatlan, 1889. 



Eragrcstis purshii Sclirad. Liunjca, xii. 451 (1838). In gardens. Colima, January 

 9 to' February 6, 1891. No. 1262. 



Eragrostis purshii miserrima Fourn. Mex. PI. Gram. 116 (1886). Culms tnfted 

 low, 3 ti).6 inches high, branching from the base, often geniculate: leaves 1 inch 

 long or less, very narrow; ligule short, ciliate; lower'sheaths loose, striate; 

 panicle 1 to li inches long, branches alternate, spreading, short (leas than an 

 incli loug), each with 2 to 5 spikelets; spikelets 1.+^ to 2 lines long, .">- to 9-flowered ; 

 floral glumes 3-nerved; tlio lateral nerves prominent. River bottoms. Colima, 

 January 9 to February 6, 1891. No. 1273. 



firagro.-3tis purshii Schrad. Linn;ea, "xii. 451 (1838). Manzauillo, December 1 to 

 5l, 1890. No. 1088. 



Gouinia Fourn ItT (emended, description). Spikelets 2- to 4-llowerod, narrow, 

 a])proximate or somewhat distant, along the 2 sides of the triangular rachis, 

 aessileor short-pedicelled, erect on the spreading branches of the rather large pan- 



