15 



15 



ELYMUS ORCUTTIANUS Vasey. 



"Culms generally several from one root, 

 2 or 3 ft high, rather slender, lfy: nodes 

 4-5: leaves 8-10 in. long, erect but not rig- 

 id, narrow and more or less involute 

 when dry, scabrous on the margins, upper 

 leaf equalling or exceeding the culm; 

 sheath® striate, • smooth; ldgule a, short 

 ciliate line or nearly obsolete: spike 4-6 

 in. long, erect, loosely fl'd, with 15-20 

 spikelets, 2 or frequently only 1 at each 

 joint, mostly flat and 2- ranked: spikelets 

 5-7 fl'd; outer glumes linear-lanceolate, 

 rigid, long-pointed, 4-6 lines long, 1 or dis- 

 tinctly 3 nerved, equalling or exceeding 

 the lower fls; lower fl'ng glumes 4-5 lines 

 long, rigid, lanceolate, acuminate, round- 

 ed and smooth on the back, finely punc- 

 tate, 5-nerved on the inside, the points 

 scabrous; the upper fl'ng glumes gradu- 

 ally shorter and less pointed, and more 

 scabrous above; palet *4 to one-third 

 shorter than the glumes, 2-toothed at 

 apex, 2-keeled, the keels ciliate." — Vasey, 

 hot gaz 10:258. S D! El Rancho Viejo, Ba- 

 ja (Br). 

 ELYMUS PARISHII Davy & Merrill. 



"Stems tufted, 7-9 dm high, scabrid: lvs 

 canescently pubescent with spreading 

 hair; ligule a mere ring; blades flat or be- 

 coming involute, 5 mm wide, the upper- 

 most 3.5-7 cm long, the lowest 8-16 cm 

 long: spike 10-16 cm long, 10 mm wide, 

 with somewhat divergent spikelets: 

 spikelets in pairs, the lowest 1-2 cm 

 apart, 1-1.5 cm long excluding the awns, 

 3-5 fl'd: empty glumes 11-16 mm long, 

 about 1 mm wide, awn-pointed; inter- 

 nodes of rachilla 2-3 mm long; fl'ng 

 glumes scabrous, 10 mm long; awns 2-2.5 

 cm long, scabrous." — Davy & Merrill, 

 Univ Cal pub bot 1:60. Siskiyou Co; Jac 

 (Hall 2i097). 

 ELYMUS SIBIRICUS L. 



McClatchie, Erythea 2:78. Gabriel mts. 

 ELYMUS SITANION Scht. 



Baja mts (Or 1171); Arizona (Or 2533). 

 ELYMUS TRITICOIDES Nuttall. 



McClatchie, Erythea 2:78. Gabriel mts.; 

 Catalina. 

 EPICAMPE'S RIGENS Benth. 



CD (Parish); Texas. Ha U 53, Jac. 

 ERAGROSTIS CURTIPEDICELLATA 



Bk. 



Ft. Yuma, Cal. (Or 2078). 

 ERAGROSTIS MAJOR Host. 



Rosalia (Orcutt). 

 ERAGRSTIS NEOMEiXICANA Vasey. 



Prescott, Arizona (Tourney). 

 ERAGROSTIS OXYLEPIS Torr. 



S D! Texas, Kansas. 

 ERAGROSTIS PILOSA Beauv, Agr 71. 



Parish, Erythea 7:89. 



Eragrostis orcuttiana Vasey, U S Na 

 hb 1:269. 



Eragrostis mexicana McClatchie, Fl 

 Pasadena 628; Davidson, PI L A Co 32 

 (not Link). 



Australia; naturalized throughout 

 southern Cal. 



ERAGROSTIS POAEOIDES Beauv. 

 Variety MBGASTACHYA A. Gray. 



Smith mt, S D Co (H. C. Orcutt). 

 ERIOCHLOA PUNCTATA Ham. 



Ft. Yuma, Cal. (Or 2065). 



Genus FESTUCA Linnaeus. 



FESTUCA MICROSTACHYS Nutt. 



Mesas. S D (Or 1073); Baja (Or 1275). 

 Variety CILIATA A. Gray. 



S D! San Esteban, Baja (Br). 

 FESTUCA MYURUS L. 



S D (Or 521); Baja (Or 1433); Cruz; Rosa, 

 FESTUCA TBNELLA Willd. 



Pt. Loma, S D (Or 1063); Baja mts (Or 

 1142, "a tall form"). Arizona (Or 1530, 1535). 

 GASTRIDIUM AUSTRALE Beauv. 



S D Co (Palmer); S F; Europe; Chili. 

 GLYCERIA REMOTA Fries, 



San Bernardino mts (Parish 1661). 

 HILARIA MUTICA Benth. ,. 



Cal. (Coville); N. M.; Arizona. "Black 

 grama grass." 

 HILARIA RIGIDA Vasey. 



Pleuraphis rigida Thurber. 



"Gietta"; C D; Cantilles (Or 1145); Ari- 

 zona (Or 2512). 



Genus HORDEUM Linnaeus. 



HORDEUM ADSCENDENS H B K. 



"A rather slender, erect, leafy annual 

 (?) 2 to 3 feet high, with terminal bearded 

 spikes 3 to 4 inches long. Culms teiete, 

 smooth, shining; nodes smooth, o<- the 

 southern part of San Diego county, Cal., 

 lower ones minutely puberulent; sheaths 

 shorter than the internodes, the lower 

 smooth, striate; ligule membranous, 

 ones densely pubescent. the upper 

 rounded, entire, about 1 line long; leaf 

 blades rather rigid, 3 to 6 inches long, 2 

 to 3 lines wide, stiiate, scabrous, gradual- 

 ly narrowed to the pungently tipped apex. 

 Axis of the spike compressed, scabrous or 

 subciliate on the margins, the joints about 

 1 line long. Empty glumes setaceous, 

 rounded on the back, sulcata on the inrior 

 face below, scabrous, those of the central 

 spikelet about 1 inch long, those of the 

 lateral spikelets a little shorter; flowering 

 glume of the central spikelet 4% to 5 lines 

 long, scabrous; palea about as long as the 

 glume, scabrous on the keel above. Pro- 

 longation of the rachilla awn-like, and 

 two-thirds as long as the palea. Lateral 

 spikelets neutral, the pedicellate third 

 glume about 3 to Z x / 2 lines long, scabrous, 

 subulate-pointed.— H B K., Nov. Gen. 1, 

 180. Distinguished from H. nodosum by 

 its taller habit of growth, attenuate and 

 pungently pointed leaves, longer spike- 

 lets and longer-awned glumes, the empty 

 ones being flattened or sulcate on the in- 

 ner face and not terete* throughout. 

 Abundant along irrigation ditches near 

 Glendale, Ariz. No. 2522 C. R. Orcutt, 

 April 30, 1896."— Scribner & Smith, b 4, p 

 24, D-A agr (6 F 1897). 

 HORDEUM JUBATUM L, 



San Diego, Cal. (Or 522). 

 HORDEUM MURINUM L. 



Guadalupe; Cruz; Rosa. 

 HORDEUM NODOSUM L, 



Bear valley (Parish). 

 HORDEUM PRATElNSE Huds. 



Smith mt, S D Co (H. C. Orcutt); El 

 Rancho Viejo,. Baja (Br). 

 HORDEUM PUSILLUM Nuttall. 



McClatchie. Erythea 2:78. Catalina. 



Mesas, S D (Or 1175); Baja (Or 1430); 

 Arizona (Or 2514, a roadside weed near 

 Congress; 2522, along irrigating canal). 

 IMPERATOR HOOKERI Rupr. 



