r)()4 POACE.E. 



scabrous, 20-30 cm. long, 4-5 mm. wide, involute near tlie tin. 

 Panicle 15-30 cm. long, strict, densely llowered and spicate above, 

 interrupted below, the appressed branches 3-7 cm. long, the longer 

 ones naked for one-fourth ol" their length. Spikelets on stout 

 orcct pedicels, usually r)-llowered, joint of rachilla 3 mm. long ; 

 cmi)ty glumes elliptical-lanceohite, 5-7-nerved, first 11-12 mm. 

 long, second 12-13 mm. long; tloral glume 9 mm. long, ellii)tical, 

 0-1] -nerved; i)alea 5 mm. long. sj)atulate-oval. 



California (San Diego). Orcittt ; Mexico, Jones 3148. The 

 plant from Mr. Jones is more slender, blades involute, 0-10 cm. 

 long, 2-3 mm. wide, distichous; sjjikes more slender, fewer-tlowered ; 

 perhaps a distinct variety. 



Southern (lalifornia, Ari^oiui, Mexico. 



11. M. nana, new name. M. an/eii/a (Howell) lieal. Bull. Torr. 

 Club. IT: 153 (1890), not Desv. Poa argeiitea Howell, Bull. Torr. 

 Clul), 15: 11 (1888). 



An erect tufted perennial, 15-20 cm. high. Sheaths loose, 

 membranous; ligule 2-3 mm. long; leaves of sterile shoots nunu'r- 

 ous, curved, blades condu])licate, 3-7 cm. long, in cross-section 

 oblong, O.G-0.8 mm. diam.. bullifoi-m cells Avanting, ai)ex obtuse ; 

 ligule of the culm-leaves acute, 3-5 mm. long; blades of the culm 



2 in number, conduplicate, 11-nerved, 1.5 cm. long, 1.3 mm. diam. 

 l^anicle oblong, spikelike. 2-3 cm. long. Si)ikelets oblong-linear, 

 C-S mm. long, 3-5-Howered, joint of rachilla 1.7-2 mm. long, all 

 of the glumes brownish, shining and with broad scarious margins; 

 empty glumes subequal, 3.5-5 nun. long. 3-4-5-iuu'ved, obovate, 

 ovate, lobed, toothed or entire; floral glume 5.5 juin. long, oval or 

 obovate when spread, denticulate, 5-G-7-nerved, minutely scabrid or 

 smooth; palea lanceolate, about the length of its glume. Anthers 



3 in number, 2.5 nmi. long. The following, among other things, 

 indicate that this is a Mcliva : the soft smooth or scarious obovate 

 or irregularly toothed glumes, empty glumes often 4-5-nerved, the 

 long spongy joints of the rachilla, floral glume without hairs at the 

 base, 5-6-7-nerved, the nerves evanescent, not connivant above. 

 The s[)ecili(! name argcntca had been previously used when this was 

 transferred from Poa to Mvlicit, hence the new name. 



