PIPEB -NORTH A.MERK \\ SPECIES OF FESTUCA, 



Festuca octoflora hirtella Piper. 



Sec page 1 2. 

 See page L2. 



Festuca pacifica Piper. 



Festuca myuros L. 



Neartoluca, State of Mexico, Ros< & Painter 6786. 

 Mount Lztaccihuatl, Deam 22. 



Festuca megalura Nutt. 

 See page 17. 



Festuca rubra glaucodea Piper, 

 page 22. 



Festuca ovina elliptica Beal . 



Festuca amplissima elliptica Beal, Grasses N. Am. 2: 603. 1896. Type collected in 

 the Sierra Madre, Chihuahua, by Pringle qo. 1438). Also collected in the Si 

 Durango, by Rose I no. 2358 . 



This plant is closely allied to F. ovina arizonica Hack., differing in it- broader, 

 Loosely involute leaves, which are scabrous above and smooth beneath, and perhaps 

 in a taller habit. Some specimens of Pringle's L438 are awnless, others are short- 

 awned. 



Festuca hephaestophila Nees. 



Festuca hephaestophila Nees; Steud. Syn. PL Gram. 310. 1854, Type Hartweg's no. 

 629 from Volcan de Agua, Guatemala. 



DESCRIPTION. 



Densely tufted, the underground portions of the stems erect or decumbent, dei 

 covered by the persisting in-own scarious sheaths; culms erect, 10 to 40 cm. high, 

 smooth, 2-jointed; sheaths of the culm elongated, extending halfway to the panicle 

 or more, smooth, somewhat glaucous; ligule very short; blades straight or curved, 

 closely involute, firm, glaucous, acute at apex, slightly scabrous on the margins, 2 to 

 6 cm. Long; panicle purple, erect, narrow, usually close, 2 to 5, rarely s . cm. Long; 

 ray- Bhort, solitary, scabrous on the angles, floriferous nearly to the base; spikelets 

 :\ or 4-flowered, 5 to 6 mm. Long, somewhat glaucous; joints of the rachilla cylindric- 

 clavate, nearly smooth, 1 nun. Long; glumes unequal, smooth or scabrous on the 

 keels, scarious-margined, the lower subulate-triangular, L-nerved, 2 to 3 mm. long, 

 the upper 3-nerved, rarely 5-nerved, 4 to 4.5 nun. long; Lemma firm, convex, faintly 

 nerved, ovate-oblong, acuminate, smooth, 3 to 5 nun. Long; palea oblong, shorter 

 than the Lemma, bifid at apex, the nerves Bcabrous; ovary glabrous at apex. 

 The following specimens have beeo examined: 



Mount < Orizaba, Liebmann 409. 



Mount ( Orizaba, Pringh 8588. 



Nevada de Toluca, Pringh V-2\. 



lztaccihuatl, Purpus 228. 



Festuca liebmanni Fourn. 



Festuca liebmanni Fourn. Mc\. PI. 2: 124. L881. 



"Foliis Bcaberrimis longissimis Lineari-lanceolatis, summo paniculam superante, 

 Ligulabrevi fimbriata; panicularacemosaerecta, axillisglabris, radiolisappressisscabris; 

 Bpiculis 4-5-floris, flore terminal] abortivo; glumis valde inaequalibus, superiore fere 

 12364—06—4 



