421 422 



U .p pi ed 2, 78 (1753). Cav Ic 5:42 t 467. Trin & Rupr Stip 



Com rather tall grasses with convo- aceae 30. B 2:286. Ab 30. Da 19. Br 



lute, rarely flat Ivs and paniculate infl: 1:205, Cruz; 2:212, San Julio canon, Baja, 



spkt 1-fld, nar: gm 3, outer 2 nar acute Cu tuftecl. slender, 3-D dm hi, pubes- 



or rarely bearing an awn. 3d rigid con- cent at nodes; Ivs convolute-setaceous, 



volute with a hairy callus at base and basal ones about half as Ig as cu, lower 



bearing a more or less bent awn, which cu Ivs 15-20 cm Ig, uppermost 5 cm Ig; 



is spiral at base and articulated to the ligule very minute; sheaths striate, 



gm: sta 3, rarely fewer: sty sh, dis- smooth; panicle 10-15 cm Ig, exserted, 



tinct: grain nar free, tightly enclosed somewhat secund, the very slender sh 



in gm. Feather-grass. * in pairs, few-fid; lower gm about 



(TBftFAGEA H&A , bot Beech 403. 10 mrn Ig, upper 8 mm Ig, acuminate, 



= fa. setigera fide B 2:286. p'l.v:i: fig gm 5-6 mm Ig, pubescent; awn 



3, jB&OOBDSBZ Bolander, Cal ac pr ab.vut 25 mm ig, slender, bent near mid- 



4:lb8. = S. Siberica L,am fide B 2:287 et cl-e. minutely and evenly scab! 



Curran, Cal ac b 1:150. Cliollas (Or IOCS); Cruz; Arizona. 



&. , iliirOBKICA Merrill & Davy, Univ Variety ANDERSONI Vasey. 



Cal pub bot 1:61. A 1:48 fdr. "Cu and vnicle 



8. t>;iTUJAXA Hooker PI Br Am 2:237. thinner, empty gm 3-4" Ig. C-nerved, flg 



fc. comata fide B 2:286. gm 2" Ig, nearly cylindrical, tapering 



S. C: IBYSOPJH-jflalJA E Desv in C Gay, slightly above, sparsely hairy, c 



Fl C ill 6:278. B 2:285. Chili. very sh; awn 10-12" Ig. I An- 



IIATA Scheele. Linnaea 22:342. cierson, Dr. Hasse, Allen an 3. others)." 



B 2:286 as S. setigera. Vasey, CNH u-;se) 



S. C/^MATA Trin & Rupr, Mem ac Pet- not Baja probably. See S. Hassei 



er.si sr 6, sci nat 5:75 (1842). B 2:285. Vasey. Da 19. Ab 30. 



Vasrey CNH 3:o2. Ore; Nebr; NM; Nev; Stipa Hassei Vasey. U S Na hb cont 



Ut. 1-.2C7 (1S&.-:). Santa, Monica, Cal. 



1-4. hi, stout, mostly scabrous; Wilcox, bot gaz 3-1:66. 



ivolute, roughened, the radical one- 3. ZLA.33X2X Vasey, CNH 1:267 (1893). 



fourth or one-third, the length of cu, Ab 2y, Monica mts (Hasse). 



the . vs on which are much sh'er, the Cu slender and wing, tufted, more or 



uper.iost very sm or reduced to a mere less branching below, erect, 3-4 dm hi; 



snectLh; ligule conspicuous, acute, 2 or Ivs very nav'ly linear, setaceous, 1-2 dm 



3" Ig; sheaths loose, the uppermost Ig. erct; ligule minute; sheaths nar, 



somewhat inflated, smooth, at length striated; panicle 5-7.5 cm Ig, nar, loose, 



sh'er than internodes; panicle included erect; branches erect, com 2-3 together, 



se by upper sheath, open, 8-12' Ig; larger ones 25 mm Ig or more, naked be- 

 rays ternate or in pairs, distant, few-fid; low, others flg to the base; spkt sm; 

 gm about 1' Ig, nearly equal, 5-nerveci, empty gm nar'ly linear-lanceolate, acum- 

 with a Ig subulate point: floret (includ- inate, about 5 mm Ig, nearly equal; rtg 

 irig callus of 2") 6" Ig, readily deciu; gm nearly as Jg as empty ones, mem- 

 lower palet rather sparsely pubescent branaceous, smooth; rach sh with a few 

 with coarse hairs, but with no distinct sh hairs; palea half as Ig as its gm; 

 corona; awn 4-6' Ig, seldom distinctly awn 16-18 mm Ig. bent above middle, 

 genie ulate, scabrous especially above, twisted below, nearly smooth; grain 

 shining, variously curled and twisted, oblg. about 2 mm Ig. 



soon decid; upper palet = lower; sta 3; Wilcox, bot gaz 34:66, pronounces 



anth mucronulate at apex (but not bar- this an abnormal form of S. emineris an- 



bulate as described by Trin & Ruor) " dersoni, caused by the growth of a 



B 2: 285. smut. 



STIPA CORONATA Thurb S. HYMBSTQIDSS Roem & Schultz Syst 



Thurber, B 2:287. Da 19 Ab 30 Vasev 2:339 et Mant 188. B 2:283 as Eriocoma 



CNK 3:51. Br 2:212. ' cuspidata. 



Cholksm (Or 108&); Ubi, Baja (Br); Ari- s - JUNCEA Nutt, Gen 1:58 mon L. B 



zona, 2:286 as S. comata. 



Cu 10-20 dm hi, stout, 6-8 mm thick S- XI3TGII Bolander, Cal ac pr 4:170. 



at base, lower cu Ivs oft 10 dm Ig, 8-12 2:287. Curran, Cal ac b 1:150. Vasey, 



mm wide at base, gradually tapering to CNH 3:49. Cal. 



a Ig involute point, uppermost about 15 Cu tufted, 6-20' hi, covered below by 

 crn IR-, nearly filiform and rigid, all th e remains of num sheaths, slender, 

 slightly scabrous on both surfaces and smooth, with but 2 nodes near base; 

 margins; ligule sh; sheaths rather loose radical Ivs % to 2-3ds as Ig as cu set- 

 uppermost dilated, smooth except mar- aceously involute, minutely scabrous; 

 gin?, these ciliate especally at throat; cu lvs 2 - tne upper sh; ligule 1 Ig, 

 panic 1 - 3-5 dm Ig, at length exserted acute, oft cleft; panicle nar, 2 or 3 Ig, 

 and loose, nar with erect branches- branches in 2 a or 3s, lower 1 or more 

 spkt m-pedicelled: empty gm acuminate ] - erect, few-fid; spkt Ig; empty gm 

 and bristle-pointed, slightly scabrous on hyaline, p-tinged, the upper about ! 

 nerve-*, lower 16 mm Ig, upper 12 mm Ig; lower a little sh er; flg gm less than 2 

 fig gm 10 mm Ig, silky-pubescent; awn } S, sparsely pubescent, and with a sh, 

 about 25 mm Ig, slender, bent below hair y callus; awn 6" Ig, bent below the 

 middle and minutely scabrous; palea middle, scabrous and persistent; palet r 

 about half length of its gm; anth naked. fl S em. hairy at apex. Cal. 

 S. SlfcIHSBI Piper & Brodie, D-A agros b S. LEUCOTBICHA Trin & Rupr, Mem ac 

 H:4G (1898). Ha 62. Petersb, sr 6. sci nat 5:54. B 2:286 as S. 

 STIPA EMINENS Cav. setigera. Vasey CNH 3:53, "quite dis- 



