GRASS FAMILY lfi3 



Alkaline soil. Dakotas to California and Texas. 



Locs. — Warner Jits., Griffitlis tj- Hunlcr 390; Honey Lake Valley, Davy; Livermore Pass, 

 Dai:!/: Ft. Tejon, Davy 2367; Santa Ana, Bradshaw ; San Bernardino Mts., Parish Bros. 1559; 

 San Diego, G. E. Vasey. 



Refs. — PucciNELLiA NUTTALLIANA Hitclio. Foa mittalliana Schult. Mant. 2: 303. 1824, based 

 ou Fou airoides Nutt. FmcineUia airoides "Wats. & Coult. in Gray, Man. ed. 6. 668. 1890. 

 J'oa iiimidcs Nult. Gen. I'l. 1: 68. 1818, not Kocler, 1802. 



o. P. festucaeformis Pari. Culms in small tufts, rather stout, IV2 to 2 feet 

 liio'Ii ; leaves scattered, smooth, the blades loosely involute, more or less spread- 

 ing; pauiele narrow, 4 to 6 inches long, the branches appressed, the lower as 

 much as 3 inches long; spikelets about 4 lines long; glumes nearly equal, 

 3-nerved, narrow, about ly^ lines long; lemmas 2 lines long, smooth. 



Saline soil near the coast, California to Alaska. Pt. Reyes, Davy 6749 ; San 



:\[ateo Co., Jaffa in 1900. 



Eefs.— PucciNELLiA FESTUCAEFORMIS Pari. Fl. Ital. 1: 368. 1848. Foa festucaeformis 

 Host, (irani, Anstr. 3: 12. 1805. 



4. P. angustata Nash. Culms erect, tufted, about 1 foot high; blades in- 

 volute, erect, smooth ; panicles narrow, 2 to 3 inches long, the branches about 

 1 inch long, appressed ; spikelets about 3 lines long ; glumes 3-nerved, the first 

 1 line, the second 11/2 lines long: lemmas li/o lines long, sparingly pubescent 

 at base, especially on the lower part of the rather prominent marginal nerves. 



Saline soil, IMendocino Co. (Pt. Bragg, Davy &■ Blasdale 6126) to Ala.ska: also 

 on the Atlantic Coa.st from Connecticut northward. 



Bet's.— PucciN'ELLTA ANGUSTATA Nasli, Bull. Torr. Club 22: 512. 1895. Foa angustata 

 R. P.r. .Vpp. P.irry's Voy. 287. 1824. 



."). P. simplex Scribn. Apparently annual : (-uliiis 3 to 8 inches high ; blades 

 narrow, soft. Hat. scattered; panicle narrow, about 1/2 the length of the entire 

 plant, the l)ranches few. short, and appressed : spikelets 3 to 4 lines long, ap- 

 pressed : glumes strongly 3-nerved, l/o a^^l 1 li"e long ; lemmas 1% lines long, 

 tapering from below the middle to the acute apex, pubescent on lower half. 



Alkaline soil; only known from California. AVoodland; Livermore Pass, 

 Davy; Tulare Co., Congdon. 



Refs.— PUCCINELLIA SIMPLEX Scribn. U. S. Dept. Xgv. Div. Agrost. Circ. 16: 1. f. 1. 1899, 

 type from Woodland, BlanMnslnp in 1893. 



61. FESTUCA L. 

 Spikelets 2 to several-flowered in narrow or o]>en panicles. Glumes narrow, 

 acute, the first 1-nerved, the second 3-nerved. Lemmas firm, rounded on the 

 back, at least below, acute or awned from tip, rarely obtuse or awned from a 

 cleft apex, faintly 3 to 5-nerved. Annuals or perennials, usually tufted. — Spe- 

 cies about 100. throughout the temperate and cooler parts of the world. (An 

 ancient Latin name for a kind of grass.) 

 Plants annnal. 



Spikelets densely 5 to 13-flowered; lemmas without searious margin 1. F. ortoflora. 



Spikelets loo.sely 1 to 5-flowered ; lemmas with narrow scarious margin. 



Branches of the short panicle normally divergent, a pulvillus at the base of at least 1 

 of them. 

 Florets mostly 3 to 5 in each spikelet ; only tlie principal panicle branches divergent. 

 Lemmas glabrous. 



Glumes glabrous ' 2. F. pacifica. 



Glumes hirsute 3. F. confusa. 



Lemmas hirsute. 



Glumes glabrous 4. F. criolepis. 



iJluHii's hirsute ■". F. (irayi. 



