ITl^ 



\ 



34 COXTKIBUTIOXS FROM THE NATIONAL HERl^\KirM. 



4 to 8 miiL wide, flat, rather firm, ^^nit^oth beneath, scabrous above, anrinilate at 

 base; i)anlde erect, 10 to 20 em. lnnor^ eontraeted after bloomiiip:, varying froui 

 nearly simple to much braiutlied; ray^ in '^ to G E^cts, rather short, scabrous on the 

 nnglt^s, ppikelet-bearing nearly to th(> base; sjiilvelets ol)!()ng or lanceolate, 3 to 18, 

 UHually <) or 8-0o\vered, 9 t<^ 1 1 innu long, i>ale green or more or less piirplisli; joints 

 of the rachilla smooth, 1 to 1.5 mm. long; ghnnes lanceolate, the lower I to 3-nerved, 

 about mm. lonjr, the ni)per 3 to o-uorved, about 4 mm. long; lemma oblong- 

 lanceolate, coriaceous, faintly o-nerved, 5 to 7 nun. long, scabrid toward the ai)ex, 

 the seariou.^ apex aeutirih or rarely Hhorl-awnrd; palea about equal hig the lemma, 

 oblong, slightly notched at ap<^x, \])v ntTves seabrouSj the inflexed sides one-third 

 as broad as the internervt*. 

 Cultivated and more or less established throughout the rnit(*d States and southern 



Canada. 



2'M\. Festuca elatior arundinacea (Schreb. ) Ceh\k. 



Fefitnca (fnmf! I iHfcea SchwA). Spic. V\. hips. o7* 1771. 



FeMnca ehtffor (mindlnacra Celak. Prod. Fl. Bohm. 51. 18H9. 



This subspecies is rather si)aringly introduced. It is larger and coarser than 

 F, ehitlurySLud is conveniently distinguishable by its firmer thicker leaves, the nerves 

 of which art* prominent on both sui'faces, while in F. elallorXhe nerves are prominent 



onlv above. 



24. Festuca obtusa Ri)reng. 



-■ 



Fesluc<( iitdans Spreng. Fl. Hal. ^huit. 'M. bS07. " Iv Pennsylvania^ ^luhlenb." 

 Not Ff'Mtica nnfiiit.'i MoeiK'hj ^leth. 191. 171)4. 



Fi'diud uhtiiHa Spren^. loe. t:it* " K. I^ennsylvanLa, Muhlenb." In Muldenberg's 

 Herbarium in the Fhiladelj'hia Academy of Scaences are specimens labeled Fedufiu 

 intitnn^, and F'siiica xijhidk'a ohtiiMi. Apjiarcutly both these are herbarium names of 

 Middi^nbcrg, which wore lirst publislird l>y Sprengel. Both these specimens 



clearly ri'forable to the common eastern plant ^vhich has so long gone under the 

 name of F/--^!f(Ca nutans. 



Ft'stnt'd untau?^ pala^ti Is Muhl. (iram. IGfi. 1817. From Muhlenberg's brief descrip- 

 tion this is merely a ft^rm of F. ohtH.^a. It (*an scarcely be Feshtca ^Jtorfii to which 

 Wood ^^ referred it. There is nothing so labeled in Muhlenberg \s Herbarium. 



Poa nfiinv^^Ank^ Kiuim. 1: SO. bS:?!. liased on FcMnra nutans ^\)Yiini^, 



OFSfMni'THiX. 



Culms erect, 40 to 120 cm. high, ^labi'oiis or sometimes pubescent, 3 or 4'jointed; 

 iiheiiths striate, shorter than the internodes, glabrous or ]>ubsrent; lignle very i^hort; 

 blades dark green, flat, 10 ttj 30 cm. long, 4 to 7 mm. wide, snioutli or s(*abrous 

 beneath, pali'rand scabrous or sometimes pubcrulont above, acute, ani-ienlateat base; 

 panicle very h>ose, 10 to 20 cm. long, (tftcn m(tre or less secund, ere<'t or but little 

 Tiodding; rays in 3 to 5 sets, mostly in twos, pulvillate at base, scal^rous on the 

 promintHit angles, sparingly branched and bearing a fewspikelets near the end, at 

 first erect, then spreading; spikelets i>ale green, lanceolate, 3 to 5-fiowered, 5 to 7 

 mm. long; joints of the racliilla cylindric, glabrous, about 5 mm. long; glumes rather 

 firm, scabri<lou the nerves, the lo.wer 1 -nerved, about 3 mm. long, theui>per3-nerved, 

 about 4 jum. \i}n\i\ leuuna coriaceous, smooth, convex, oblong-ovate, acute or acutisli, 

 4 mm. long, the narrow margin hyaline, obscurely 5-nor\ed, the nerves very obscure; 

 l^ulea firm, eipialing the leuuna, acnt(\ 



Yermontj Ontario, and Minn*\sota to Georgia and Texas. 



«Bot. ^ Flor. :!0U. 187:;. 



