474 



I'OACE.E. 



4-6 rays), tlic longest 3-4 cm. long simple and densely flowt^rod 

 at the base. Spikelets mostly sessile, pale green, 2-3-no\vered ; 

 empty glumes spreading, sul>e(iual, about 3 mm. long, first 1- 

 nerved, second 3-ncrved; lloral glume loosely pubescent below, 

 ovate-acute, the second 6 mm. long; i>alea pubescent. 



Lower California ((Juadalupe Island), Palmer 06. 



2. D. sclerochloides (Steud.) Fourn. Mex. PI. Enum. Gram. 2: 

 112: (1886). Poa sclerochloides Steud. Herb, (fide Fourn.). 



A smooth tufted grass, 5-7 cm. high. Ligulo obtuse, 1.5 mm. 

 long; blades involute or conduplicate, 1-2.5 cm. long, about 1 mm. 

 diam. Panicle 1-2 cm. long, oval, rather dense, rays in twos to 

 fours, the longest bearing two spikelets. Spikelets on short pedi- 

 cels, 2-fiowered, oval, acute, spreading with age, 3-3. o mm. long; 

 empty glumes 3-nerved, the margins white; fioral glume smooth, 

 broad, ovate when spread, 2-2.3 mm. long. Stamen 1. 



Mexico, Pringle 4222, also in Chili. 



Moist places in the bottom of a crater, 13,500 feet above the sea- 

 level. 



110. (227). MOLINIA Shrank, Baier. Fl. 1:100, 334 (1789). 

 Bnodium Gaud. Agrost. Ilelv. 1: 145 (1811). Monilia S. F. Gray, 

 Nat. Arr. Brit. PI. 2:110 (1821). Amhhjtcs Dulac, Fl. Hautcs- 

 Pyr. 80 (1867). 



Spikelets 2-4-flowered, in a narrow loose subterete panicle, ra- 

 cliilla smooth, articulate between the flowers, and often produced 



Fig. 96. — Molinia carulea. Spikelets. (Richardson.) 



above them. Empty glumes persistent, awnless, 1-nerved, unequal, 

 shorter than the florets; floral glume firm, membranous, awnless, 

 convex, 3-uerved ; palea obtuse, 2-keeied, scarcely shorter than its 



