429 



duced into an awn, third much sh-er and 



broader, hyaline, truncate denticulate at 



apex: Palea nar, hyaline: sta 3: sty dis- 



tinct: grain ovoid, free, enclosed in the 



gm and palea. Timothy. 



L, sp pi 59. B 2:262. Ab 33. Z 1:186. 



Da 18, ET 1:100 LA Co. Eu; cult. 



PHLEUM ALPINUM L. 



L, sp pi 59. B 2:263. Ha 59. Parry, 



Wyo 16. Alpine Timothy. NH. Colo, Cal, 



Alk. 



Cu 1-1% hi: spk ovate-oblg: empty 

 gm strongly ciliate on back, tipped with 

 a rough awn about their own length. 



Alpine regions of Europe.Asda, and N A 

 F.MAENKEANUM J & C Presl, Rel 

 Haenk 1:245. B 2:263 as alpinum. 

 PHLEUM PRATENSE L. 



Cu more or less tufted, erect, Ify, 3-9 

 dm hi, simple; sheaths smooth; blades 

 minutely scabrous; spk about 6 mm 

 wide, 3-10 cm Ig; empty gm about 2 mm 

 Ig, hyaline except the 3 scabrous nerves; 

 fig gm nearly 2 mm Ig. 



Europe; widely naturalized. 

 Genus IiEPTITBUS R. Br. 



Mostly low ann, with nar Ivs and 

 strict or curved elongated slender spk; 



cT-fj--f 1 o -fl A f 4i i i j. j. i J> 



ISnted rnihia emDtv -m 12 nar rf~ 



acute ^nprvSd W-^^nn'h' ^vl' I 8 ' 



I kpp'ip-i i Jrt5f ? Y p ! ' ya ~ 



line 2-nerved " stS 3 or ?e rst? sh I~ 



' " 



Is. CYLIf.fDSiICUS Trin, Fund Agrost 

 123. Ab 58. 



branched, smooth; sheaths smooth, much 

 sh'er than internodes; lvs ascending 1-2 

 mm wide, 3-8 cm Ig, smooth; spk 5-15 

 cm Ig, straight; empty gm very acute, 

 about 4 mm Ig. 

 . mCUBVATTTS Trin, Fund Agros 123. 



branched, internodes more or 

 less curved, more or less p'ish thruout; 



CUd *** 2 ' 



1:81. 



Genus HOLCUS Linnaeus. 



X 69* A 5cClacW? P Er2 48 78 ?A Co 

 ?299 Z 2 380 



2 mm Ig, smooth and shining, lower 

 sparsely ciliate on keel somewhat r.v> 

 tuse upper 2-toothed and bearing a 

 hooked awn below apex! Velvet grast 

 H.MOI,I,IS L syst 6 P d 10, 1305. E^S 



AXOFECUBTIS L, Syst ed 1 (1735). 



P6r Brasses with erect or de- 



ut C i U 'flJr OI 2 H at i, VS and s P k : like 

 spkt 1-fld, flattened: gem 3; the 2 



o^^So acut i?' so^f^mes sh-awned, 

 more or less united below, compressed, 



430 



keeled; keel ciliate or somewhat winged; 



third gm truncate or obtuse, hyaline, 



acute, sometimes 0: sta 3: sty distinct 



or rarely united at base: stig elongated. 



Fox-tail grass. 



A. ASIST^ATUS Michx, Fl Bor Am 



1'43. B 2'(33 



ALOPECURUS CALIFORNICUS Vasey. 



Santa Cruz Isl; SD! 



A. GENICTJX.ATUS L, Sp PI ed 1, 60. B 

 2:263. Ab 33. 



Per; cu decumbent and oft rting from 

 lower nodes, 2-4 dm hi, smooth; sheaths 

 smooth, upper inflated; blades 1-3 mm 

 wide, the lowest oft nearly equaling the 

 cu, the upermost equaling or exceeding 

 spk; spk 2-4 cm Ig, about 4 mm wide; 

 spkt 2-3 mm Ig; empty gm silky, ob- 

 tuse; fig gm glab, their margins united 

 to near middle; awn about 4 mm Ig, 

 slender. 



Mesas. S D! Baja (Or 1438). 

 Variety ASISTTTLATU,:* T, Pac Ry R G: 

 92. B 2:263 as A. aristulatus. 

 A. I-'SAT'SIfSIS L, Sp PI 60. B 2:263. 

 Genus AGROSTIS Linnaeus. 



T 

 vt flat or 



-A.U.I1 Or L)GF Si clSSGS Wit II IlctT. OI 



bristle-like Ivs Ind paniculate infl: spkt 

 ] - fld: S m 3 - 2 outer empty, membranous, 

 keeled, acute; 3d sh'er, obtuse, hyaline, 

 sometimes bearing a dorsal awn, sub- 



A. AEQTJXVAIiVIS Trin in St Pet ac 

 mem VI, 6. ii, 362 (1845). B 2:271. 



Probably per: cu 10-18' hi, slender, 

 erect, smooth, lvs flat, the lower 4-6' Ig, 

 1-2" wide, upper 2-3' Ig, smooth, pale g; 

 upper ligules 1" Ig; sheaths smooth, 

 sh'er than internodes: panicle nar, 2-3' 

 Ig, loose, smooth, g or p; rays mostly in 

 5's below, somewhat distant, unequal, 

 larger 1-1^! Ig, fl-bearing from about 

 le; spkt about 1' Ig, on pedicels 

 as Ig as themselves; empty gm 

 equal, acute; flg gm acute, near- 

 g as empty ones; palet as Ig or 



rudiment about % as Ig as floral 

 Cal. 



mi< 



Er 2:78 ' Gabrieh Vasey ' 



T, NY Lye ann 1:151; ex 

 Spreng Syst Cur Post 31. B 2:269 as 





f A KoR 



or A. exarata. AD io. 



Ann = cu erect - tufted ' leafv ' 3 ' 6 dm hi; 

 Deaths minutely scabrid: lvs 7-15 cm 



scabrous on nerves: callus with a tuft 

 of minute hairs at base of each margin 

 of flg gm; flg gm 1.5 mm Ig, glab, min- 

 utely 2-toothed at apex, awnllss ; palea 

 obsolete 



