443 



Cu stout, from stout creeping rt- 

 stocks 10- 9 5 dm hi; sheaths smooth; 

 ligule 2-4 mm Ig; Ivs 3-5 dm Ig, 25 

 mm wide or less at base. Iff acuminate, 

 smooth or nearly so toward base, be- 

 coming scabrous toward apex, flat, edges 

 somewhat involute above; spk rather 

 dense and ample or somewhat lobed, 

 2-5 dm Ig, erect; spkt imbricated in 2's 

 or 3's or more, 4-5-fld; empty gm subu- 

 late, scabrid, about 12 mm Ig; flg gm 

 scabrous below, 11 mm Ig. 3 mm wide, 

 7-nerved; palea equaling gm, scabrous 

 and ciliate on keels above. 

 E. GTiABER Davy, Cal Univ pub bot 

 1:57 based on sitanion glabrum J. G. 

 Smith. Jac. 



_ /3,TATrr*rr "Rn^ti "Phil ar> r>r 18R9-Q9 

 E. GLAUCUS Buckl Phil ac pr 1862.99. 



ia D(. SIDiriCUS nue 11\.. AU 0_. 



Cu erect and tufted, from stolonifer- 

 ous rtstocks, 6-10 dm hi, smooth; 

 sheaths smooth or minutely scabrid; 

 lio-iiio ahrmt ^ mm le~ AntirA' Ivs flat 

 iSrid^on'bofh^des!' S^m 8 w?& 

 the lowest about 2 dm Ig; linear 



444 



terminating in 1 awn or trifld or 3- 



awned: palea as Ig as its gm, entire, 



bidentate or 2-awned: sta 3: sty sh: sd 



adherent to its gm and palea, hairy at 



summit. 



S. ANOMALUM Smith. Ab 64. 



Cu erect, scarcely or not at all tufted, 

 5-6 dm hi, smooth; sheaths smooth or 

 lower sparsely hirsute, ciliate on mar- 

 gins, sh'er than internodes; ligule 1 

 mm Ig; Ivs 4-12 cm Ig, 3-4 mm wide, 

 scabrous thruout; spk rather loosely fid, 

 1-1.5 dm Ig, r'ish; spkt 4-fld; empty gm 

 lanceolate, entire, those of lowest spk 

 bifid above middle with short awn 1-4 

 cm Ig; flg gm 10 mm Ig, linear-lanceo- 

 late, smooth below, scabrous above, 3- 



awned; lateral 1-2 mm Ig, middle one 

 erect g _ 4 g cm palea gh>er thm Ug 



cpahrrms nn mare-ins 



I m ' C Atri-<mKrac 4Svith Ab fi4 

 S -CALIPOBOTCTO Smith Ab 64 



ra t he r denselv Subescfnt above Tower 

 rdiner densely yuuebcent a.uove, iuwer 



com in 2's, sometimes in 3's, 3-4-fld; 

 empty gm S-12 mm Ig; awn-pointed, 

 scabrid on the 2-4 prominent nerves; fig 

 gm scabrid above, 9-12 mm Ig, taper- 

 ing into a straight awn 7-14 mm Ig; 



and on margins, densely puberulent on 

 back; spk rather loosely fld, 5-8 cm Ig; 

 lowest fl of one or both spkt sterile; 

 empty gm 4. entire, 3-5 mm Ig; flg gm 

 linear, 10-12 mm Ig, finely scabrous, 



ea 2 mm 

 n nerves 



Jepson, Fl 

 Mid w Cal 79 a 9 01). Ha 57. 

 E. MTTLTISETUS Davy, Cal Univ pub 



multisetum 



A 1-4R frir 

 Park LA 



' \ 1 -46 

 A 1.46 



r-TTfpTAWTT! 





t 



T 



2^78 Cabriel mts 

 2 -8 G its. 



-n?5n 



Raia mt ro 1171V Arizona ^Or 

 aia mta , fOr 11-1> Arizona (Ur 



Smith 4h fiq 



9 dm hi smooth- lower 

 - 9 pper' mTnutel'y pub- 

 escent or sparsely hirsute, becoming 

 smooth; ligule 1 mm Ig; Ivs 10-8 1 cm Ig, 

 3 ' 5 mm wide - strigose-pubescent thru- 

 ou{ . and sparsely hirsut e above, mid- 

 nerve prominent beneath: spk 1-2 dm Ig, 

 densely fld; empty gm 4, 3-many- 

 Parted^ a.out ,,.. log. n^ 



tn e 2d hermaphrodite, other sterile or 

 "PP er stam; fl ^ sm linear-lanceolate, 

 8 _ 1Q mm j smO oth below, sparsely 

 scabrous above, 5-nerved, trifid at apex, 

 lateral lobes setaceous, the middle pro- 

 lon?ed Into a s i en der scabrous awn, 

 12 lg; in ^rnodes of rachis 5-7 mm 



, E^thel" 2:7? a Glbriel mts,, 



slender, smooth and com 

 glau. from slender rtstocks, 6-10 dm hi; 



ss, 



puberulent and with a nar ciliate wing; 

 spkt in 2's or 3's. rather distant below, 

 crowded in middle, oft single above, 4-6- 

 fld; emptv gm 8-10 mm Ig. subulate. 



mith. ^Ab 63. ^ 

 ely st rigose-pubescent; sheajhs scar- 

 "* n ' n ' 6 !^ ri j f e f,?' ^^Q 6 cm^ 



! s ' f^^-r^i 8 



abo\ e, spk erect o-b cm Ig com risn, 



JSStv Jn I^nv-nSted nearlv to 



^ndlr srahroul 

 ase ' ans ' d nf S 



o5 ey m; 



above, 



middle 



IT%^ s& 



joint of the articulate rachis of spk, 2- margins, compressed. 

 several-fld: empty gm 2 or sometimes 

 3, many-parted from near base, or bifid, 

 or subulate and entire, awned; flg gm 



mm Ig; 



