FEHTic K.K. 571) 



tacoons appenranco, apparently (lia>cioug, tlic stamiuatc plant the 

 nioru Hlondcr. with more lUMito iloruts. 



C'liliforniii, /'rin(/fr in 1H82. 



Mouiitaiiirt iihoiit tlu! lioiul-watrrs of the Sarrumciito Hivcr. 



12. A. Lettermani (Nuscy). /W Lrf/frmani Vwwy, i'ouinh. 

 U. S. Nat. Herb. 1:273 (ISJKJ). 



A dwarf tuftod percniiiul, 4-10 cm. Iii^'li. SlieatliM tooH<<; iipptT 

 lipilu 3 mm. loii^' uoiito, lacitiiatc; Ifladc.H rondiipliraic 1-2. f) cm. 

 Ion;;, 1.5 mm. wid(>, abruptly pointed. I'aiiiclc linear, 1-2..') cm. 

 Ion;;, rays in paira or win^jlc. Spikclcts tin;rc*«l with jturplo and 

 brown, oval, 3-3. T) mm. Ion;;, 2-4-fIowcrcd. empty ;;liini -^ Hiibcipial, 

 cxtcnilin;; nearly to tiio tip of the upi>cr tlon-t, cIliptical-laiKrcolatc. 

 3-ncrvctI; floral ;;lnmo 2-2.5 mm. Ion;;, minutely scalirid, broadly 

 oval when spread, denticulato; ])aleH bntlittluriliorter than its glume. 



Colorado ((Jray'.s Peak), Lrffermnn in 1885, .lonett. Colleele*! 

 12,500 feut altitiidu on the mouutuin.s. 



13. A. pauciflora Tliiirb. S. WatH. Hot. Talif. 2: 310 (ISSO). 

 Poa paiicljJoi'a Hentli. Vasey, Cat. <irass. V. S. 42 (I«S,'»). 



A pale-green tufted jterennial. «»t)-r."» cm. Iiigli. IMades <»f 

 sterile shoots about 30 n\\. long, 2-3 mm. wide, condupli(;ate, sca- 

 brous, pungent-pointed, leaves of the culm 2-3 in numlicr; ligido 

 3-4 mm. long, wider than the blades, thcuppiT blade 3-7 cm. long, 

 3-4 mm. wide. Panicle 12-30 cm. long, linear, rather thin, inter- 

 rupted b"low, rays mostly in twos and threes, 3-7 mm. long, 

 braiudiing, flower-bearing to near the base. Spikelets 1-2-nowered; 

 sometimes with a rudiment of a third; empty glumes sube(pial, 

 smooth, first 3-ncrved, 3-3.5 mm. long: floral glume 3 mm. long, 

 8(!abrid, oval; palea as long as its glume. 



California, Itohnuhr, growing in wet metidows. 



14. A. tenuifolia Thurb. S. Wats. Hot. Calif. 2: 310 (18H0). 

 Poa tenuifolia Buckl. in Proc. Aca<l. Sci. I»6 (1S(;3), not Itich. 

 (18.'>1). J'oa SheldoHi Y'dsey, Contrib. U. S. Nat. Herb. 1:276 

 (1893). 



A strict slender tufted perennial, 40-60 cm. high, usually gla- 

 brous and tinged with brown or pink. Ligule a<-ute. 3-4 cm. long; 

 blades conduplicate, those of the sterile shoots 5-15 mm. long, 1-2 



