No. 21. 



ALOPECURUS ALPINUS Smiili. I'l. I'.iii.iii. l.'.si;; K,,-!. l?„t. xvi. t. 

 II I'd. 



I'liiitt |)cii'iiiii;il, widi :i luiiiiiiii;' rimtstock. smnctiiiii's in hiiiiclifs. lint usually 

 sinjric minis in a jilacc 



Ciiliiix creel, siiniile. rcilmsl, siiioolli. li lo L'O iiielies liijjli. 



Lnircs ^t\' ciilni .'! tu '>; slieaths xagiiiale, open at tlie throat, striate, sinodtli, 

 lU'arly iMiiialinj; or cxeet'diiifi' tlie iiitei nodes; blades flat, iiisjiid ahove, nearly snioolii 

 below, 2 to .'{ lines wide, 2 to fi inches long, the npiiei' one shorter than its sheath: 

 li^rnlc ineinbrainiceous, obtuse, h to 1 line lon^;. 



Ill /liifcacrncf a dense, ovoi<l oi' oblong', s])i]<e like panicle A to 1 inch long and .\ as 

 thick. 



Spikrltis 1-tlowcrod, elliptical, compressed, 1;,' to 2 lines long; empty glumes dis- 

 tinct nearly to the base, oblong, acute or abru])tly acuminate, carina te, villose, .'5-nei'ved, 

 e(pnil. 1^ to 2 lines long; tioial glume nearly rotund, the margins united \ the length 

 from the base, ciliat*' at the obtuse apex, ])ubesceut on the back above, membran- 

 aceous, 4- or 5-nerved, H lines long; awn dor.sal, arising near the nnddleof the glume, 

 slightly curved, exserted hall' its length: jialet lanceolate, acute, slightly ])ubescent 

 at the ai>ex. 1-nerved; stigmas 2, slender, plumose; grain ]iearsliaiied, comi)rcssed, 

 yellow, nearly 1 line long. 



Plate XXIV; 1, ]dant with mature s])ikelets; «', sjiikclet enlarged about IS 

 times; />', tloral glume. 



Alaska from Point liarrow southward along the coast to Sitka and in the higli 

 mountain legious extending to ('olorado; growing mostly in graxelly soil; veiy vari- 

 abh'. 



No. 24. 

 ALOPECURUS STEJNEGERI Vascy, Proc. U. S. Nat. Mus. x. 153. 



I'ldul perennial. 



CiihiiK lather thick but weak, geniculate and decumbent below, smooth, (5 to 12 

 inches high. 



Leuri's of culm .'! or 4; sheaths loose, njiiicr one inllated, smooth, exceeding the 

 iiileiiiodes; l)lailes lanceolate. Hat, nearly smooth on both sides. 2 to I inches long; 

 ligule prominent, membranaceous, truncate, 2 lines long. 



TnfiorvHcence a den.se, woolly, s]>icate, ovoid panicle 1 inch long ami h as tliick. 



Spil-ch'iK 1 -flowered, comitressed, 2.+ to .'{ lines long, 1 line wide; em|ity glumes 

 connate neai' the base, lance-ovate, acute, very villous, thin, .'{-nerved. e((nal, 2.^ to 3 

 lines long; lliiral glume broadly o\ate, barely acute, hyaline. s]iarsely pubescent or 

 villose near the apex, es])ccially on the keel, ."i nerved. 2 lines long: awn arising near 

 the base of the glume, slender, exserteil half its length, sligiitly dilated at the niiddlt^; 

 palet small or wanting; stigmas 2. exserted, jtiumose. 



PlATKXXIV; 2, plant natural size; rt^^ spikelet enlarged al t 12 times; h\ 



tloral glume side vii'W. 



Collected by Dr. Stejm-ger on the Commander Ishinds, in Hering Sea. It jirob- 

 ably extends to the Aleutian I.shinds, but has not yet been reported from United 

 States territory. 



