FESTUCE^. 549 



longest 3-5 cm, long, tliinly flower-bearing for the whole length. 

 Spikelets 2-flowered, the npper floret rudimentary; empty glumes 

 subequal, 3 mm. long, the first a little the longer, both 3-nerved, 

 the lateral nerves merging into the midnerve above the middle; 

 floral glume subcarinate, smooth, 7-nerved, oval and subacute 

 when spread, 3.7 mm. long; palea as long as its glume; the second 

 floret consisting of an obtuse floral glume nearly 2 mm. long and a 

 palea much shorter. Stamens 3 in number, 1.5 mm. long. 



California, Bolander. 



33. P. Douglasii Nees, Ann. Nat. Hist. Ser. I, 1:284 (1838). 

 Foa CaUfornira Steud. Syn. PI. Gram. 261 (1855). 



A slender smooth dioecious tufted perennial, 10-20 cm. high, 

 Avitli short slender creejiing rootstocks. Leaves of sterile slioots 

 numerous, sheaths loose; ligule obsolete; blades of sterile shoots con- 

 duplicate, curved, 5 cm. long, 2 mm. wide, the extreme apex usually 

 oblique and obtuse, in cross-section oval or circular, 0.7-1 mm. 

 diam., 9-nerved, blades of the culm like those below, 1-5 cm, long, 

 usually extending to the spike or beyond it. Panicle pale green, 

 dense, globose, ovoid or linear, 2-6 cm, long, 1.5 diam. Pistillate 

 spikelets compressed, oval, 3-6-flowered, 7-10 mm. long, joint of 

 rachilla 0.75 mm. long, empty glumes subequal, linear-lanceolate, 

 4.5-6.5 mm. long, 3-nerved, scabrous on the keel; floral glume oval 

 or ovate, acute, 5.5-7 mm. long, finely pubescent on the lower half 

 of the keel and marginal nerves; palea linear, 2-toothed, ciliate on 

 the keels, 4.7-5.5 mm. long. Staminate spikelets 5 mm. long; empty 

 glumes 2.5 mm. long, floral glume 3.5 mm. long; j)alea as long as 

 its glume. 



California, Jones 3258. 



California, along the seacoast in loose sand. 



33. P. glumaris Trin, Mem. Acad. St. Petersb. (VI.) 1:379 

 (1831). P. Kingii S. Wats. Bot. King's Exp. 387 (1871). 



A more or less glabrous, strict, very stout dioecious perennial, 

 30-60 cm, high, and a diameter of the culm of 5-6 mm. near tlie 

 base; rootstocks creeping. Ligule nearly obsolete; blades firm, 

 smootli or scabrid, usually conduplicate, 10-30 cm. long, 8-12 mm. 

 wide, tliose of the culm 3 in number, 2-8 cm, long. Panicle 



