437 

 festucoicles Jones, Cal ac pr sr 2, 5:722. 



P. &AXA Haenke in Jirasek, Beob Ries 

 118 (1791). Eu. B 2:312. 



P. LEI TO COM A, Trin, in Mem Ac Pet- 



ers sr 6, 1:374 (1831). B 2:313 as sten- 



antha. Trin. 



P. MXCHAUXXI Kunth, Rev Gram 1:111. 



B. 2:306 as Disticblis maritima. 



P. NEBVATA Wiled, sp pi 1:389. B 2: 



308 as Glyceria n. 



P. xrUTJKAJBlTCiXS J&C Presl, Rel Haenk 



1:272. B 2:308 as Atropis distans ( = 



Sehult Mant 2:303. 



d fid a 8 IK? Atr PiS dlStanS ( " GlYCeria 

 a, nac IK.;. 



P. OBCUTTIA^-A Vasey. A 1:99 fdr. 



P. PAUCIPLOBA Bth ex Vasev, Grass 

 TTQ 49 T-%_ 1Q 



P PRATEK-SIS T sn nl fi7 "R 2-<l19 

 I-lflf 6 AT Ab?0 S fea S l P 9, P Er 6 l 7 :-101 B LA 3 Co: 

 (Kentucky Blue-Grass). Per; cu 

 terete, glab from running rtstocks, 3-6 

 dm hi; sheaths smooth; ligule truncate, 

 1.5 mm Ig; Ivs of sterile shoots flat, 

 abruptly concave-pointed, those of cu 3, 

 smooth or scabrous; panicle com rather 

 open pyramidal, its branches in half 

 whorls of 3-6, densely fld on upper half; 

 spkt 3-6-fld, 4-7 mm Ig; empty gm acute, 

 scabrous on keels, first 2.5-3 mm Ig, 2d 

 3-3.5 mm Ig; flg gm webbed at base, sea- 

 brous toward apex, pubescent on mar- 

 ginal nerves and on keel below; palea 

 linear, 2.5-3 mm Ig, scabrous on keels. 

 P. PaCCTTMSENS Curt Fl Loud fasc 6 

 t 11. B 2:309 as Atropis p (= Glyceria 

 p, fide IK). 



P. REFTATCS Michx, Fl 1:69 t 11. B 2: 

 315 as Eragrostis r. 



P. BTTPSSTHIS With, Bot Arr Brit pi ed 

 3, 2:146 t 24. B 2:309 as Atropis pro- 

 cumbens (= Glyceria p fide IK). 

 P. SCABBEX.Z.A Bth ex Vasey, Grass 

 US 42. Ab 51. 



Per; cu slender, 4-7 dm hi, scabrid; 

 Ivs of sterile shoots flat or conduplicate, 

 12-20 cm Ig, 1-2 mm wide, those of cu 

 2-3, 5-7 cm Ig; ligule 5-12 mm Ig; pan- 

 icle rather open, 12-15 cm Ig, its 

 branches in pairs, the longest 5-7 cm 

 Ig; spkt fl-bearing at least above mid- 

 dle; spkt 5-6 mm Ig, 3-5-fld; 1st empty 

 gm 2.5 mm, 2d 3 mm Ig; fig gm 3 mm 

 Ig, rough, hairy on lower part of nerves, 

 apex denticulate; palea slightly sh'er. 

 P. SEEOTISTA Ehrb Beith 4:83. Gman 

 629. B 2:313. 



P. STENAKTTHA Trin, Mem ac Petersb 

 sr 6, 1:376. L,adeb Fl Ross 4:372. G 

 8:409. B 2:313. 



P. TBIVIALIS L, sp pi 67. B 2:313. 

 P. TENUZPOT.IA Nutt. Wat, bot King 

 387. B 2:310 as Atropis t. Da 19. 



Chollas (Or 1071). Baja (Or 114S, var. 

 rubra). 



Variety CALIFORZTICA Vasey Da 19. 

 POA UNILATERALIS Scrlbner. 



Vasey, grasses Pac Slope 2 t 85. 



Parish, Erythe-a 3:59. Bear. 



S F; San Bernardino (Parish). 



GenuB FESTUCA I innueua. 



438 

 FESTUCA MICROSTACHYS Nutt. 



Ann > CU slender > erert > tufted - 1-4 dm 

 hi; sheaths sh'er than internodes, smooth 

 or pubescent; ligule .5 mm Ig or less; cu 



l v . ,_ ^ r prt ?-K rm^Icr vprv nar- nani 

 ] ^ S 2 4 ' ei 1 ^ . ver > nar ', pat ] 



c ^ e 3~ 10 cm lg> lts branches secund, di 

 vergent, remote, the ig'er ^-5 cm Ig 

 snkr remote S-TD mm lu- r_c flH- pmnf- 

 SpKt lt ' 5 V? * *> l , , 5 " 



S m awmess, scabrous or &lab, ist 3 mm 



20 5 mm Ig: fig gm 3-4 mm Ig, scabrous- 

 awn slender. 6-8 mm ig Ab'sr. 



T^F I ^TT T PA TvrvrrRTTQ 



Pt - Loma . S E> ( r 106 3) ; Baja mts (Or 

 li42 ' tajl form") Arizona (Or 1530, 1636). 

 Genus DACT\LIS Linnaeus. 



DACTYLJS GLOMERATA L. 

 Da 19. Ab 48. 



Cu 6-12 dm hi, tufted, erect, simple, 

 smooth: sheaths sh'er than internodes, 

 smooth or rough; ligule 2-4 mm Ig; 

 blades 7-20 cm Ig, 2-6 mm wide, flat, 

 scabrous; panicle 7-18 cm Ig, its branch- 

 es spreading or ascending in fl, erect 

 in fr, the lower 25-60 mm Ig; spkt in 

 dense capitate clusters, 3-5 fid; empty gm 

 1-3-nerved, 1st sh'er than 2d; flg gm 4-6 

 mm Ig, rough, pointed or sh awned, cili- 

 ate on keel. 

 Europe, Asia; widely naturalized. 



