FESTUCE.E. 551 



Loosely tufted, erect from a (lecuiiibcnt base, 40-120 cm. higli; 

 no creeping rootstoeks. J^igulo -4-5 nun. long; bUules of sterile 

 c^luiots ;}-8 cm. long, soon fiuling, those of the culm 5-0, erect soft 

 and smooth or scabrous, Hat or conduj)licate, pungent, acuminate, 

 7-15 cm. long, 2.5-13 mm. wide. Panicle ami)Ic, oblong or jiyi-am- 

 idal, at length nodding, 20-i)5 cm. long, rays scabrous in half- 

 whorls of 4-10, some of the lower sets of rays 5-7 cm. distant, t!ie 

 longest 10-15 cm. long, branching freely, bearing nunun'ous sctat- 

 tered spikelets on the upper half or three-lifths, S[)ikelets sliort- 

 pedicelled, often tinged with violet and brown, elliptical or linear- 

 lanceolate, 2-5-llo«-ered, a long joint of rachilla about 0.5 mm. long; 

 empty glumes sube(pial, 3-nerved, llrst ovate-lanceolate, second 

 oval-lanceolate, 2,11-3.7 mm. long; iloi-al glume sparingly webbed a,fc 

 l)ase, and thiidy pubescent on the lateral nerves and lower half of 

 the keel, 3.3-2.5 mm. long, apex often tinged with yellowish 

 brown, elliptical, ol)tuse or subacute Avlien spread, though a[i])ear- 

 ing acute when closed, obscurely nerved; ])alea almost as long as its 

 glume, linear, scabrid on the keels. 



New Hampshire, E. F<(.rnn !); ^[assachnsetts, E. L. SturtevaiU, 

 ncalUS; New York (Uulfalo), r7//i^;i for Clark lG8o; Michigan, 

 Coolri/, Chirk 714, Era! 130, 131, Wheeler, Farwell; Illinois, Heal 

 12'.); Iowa, llitchrorlc; Minnesota, Arthur X 6, M 183, 1U2<3, P. 510; 

 Colorado, ('assid//; South Dakota, Di/Jfe//; AVashington, Lake; 

 Oregon, llowell. 



"Wet or moist ground, Canada, Xew England, Alaska, Pennsyl- 

 vania, Colorado. 



For a further account see \'ol. \. }>. 140, Fig. (iS, undi'r /'. 

 f^erotina. 



Colonel Moiiioe, the most acute agrostologist of his day, 

 l)laced this with 7^ /le/iioralis L., while Grisebaeh, Pries, A. (iray,. 

 and Anderson keep it distinct. See Dr. ,1. I). Il()(»ker, on Distri- 

 ])ut,ion of Arctic Plants, Trans. Linn. Soc. vol. 23, ISIH). ^lonroe 

 observes that stunted or arctic si)eciniens of P. iieDttiralis L. , /'. 

 .^rri)/ina Ehrh., P. c(vxia Sm., if not identical arc extremely difficult 

 to distinguish the one from tlu' other. 



36. r. fiavicans Ledu. Fl. Poss. 4:373 (1853). 



