1 ^ - 



r h- 



"_^ 



PIPER NORTH AMKRICAX SPECIES OF FESTUCA. 



29 



AVvoming: 



Nash Forkj Xel.^rm 774(). 



Utaft: 



Crazy Woniann Crcn^k, Williams 275L 



Colorado: 



Chit;ken Creek, Tracy, Earl, lO Baker 344. 

 Routt County, Cnwilall 7V,\S). 

 A^eta Pass, S7/t^<n^ 824, 

 South Park, TTVy//^2i^ria. 



Nkvada: 



Summit Lake, (Jrifdhs d- Morrl.<^ ;jOo, 



Pine Forest Mountains, Grifjiih^ A Morri,^- 215. 



loj. Festuca ovina arizonica (Vasey) Hat-k. 



Fcdaca arizonica X^di^ey, Coiitr. Xat. TTtrb. 1: 277. 1898. Type .specimen in tlie 

 National Herbarium, collected by S. M. Tracy near Flagstaff, Arizona (no. 118). 



FeMvra ovina arizonica Hack.; lieal, (brasses X. Am. 2: o*J8. 1896, Kedures the 

 above to snl)specifi(' rank. 



Festnca raseijana llac^k.; licul, op. (it. 601. Type collected at Yeta Pass, Colora<lo, 

 by Dr, George Vasey in 1884. 



Festuca acahreJla vaseyana Hack.; Kcal, op. cit. (iOo. Tyi)e from *'Colora<lo (Veta 

 Pass), Vasey, at an altitude of 9,300 feet.'' 



The type sjiecimens of the last two were in Professor Scribner's herbarium, accord- 

 ing to Doctor Peal. The National Herbarium >])ecimcns show that Doctor Vasey col- 

 lected both arizonica and hajrala *Ai Veta Pass, but Doctor Beal's descriptions were 

 cortaiidy l>ased on the arizrmica s])ecimens in the case <'f Fedaca scahrella vaseyantr and 

 prol)ably so in the case of Fcdaca caaeyfnia, 



Fcbl a< a of I na arizovica o(n*urs in Southern Colorado, Arizona, and New Mexico. A 



^petamen from Oregon, Hoover Cret'k, (iilliam Couuty ( Lcihrrg 137), seems also refer- 

 al)le hcrt^ 



16. Festuca rig*escens (Presl) Kunth. 



Diplacliue riyeseem Presl, Poliq. Haenk. 1 : 2O0. 1830. " Ilab. in montanis Pemviae 

 huanoccensibus." Type probably in Presl's herbarium in the University of Prague; 

 a duplicate in Pernhardi's luTbaritnn, n(tw in the possession of the Missouri Botan- 

 ical (rardens. 



FeducariycscoiS Kunth, lOnum. Vi. 1: 403. 1833. Transfers the above to Festuca. 

 The only North Amei'ican st)ccimeu we have seen Avas c(tllccted by S. M. Tracy "in 

 open pine woods, 4 miles northeast of Flagstaff, Arizona, .Time, 1887." 



nESCRlITlOX. 



Densely tufted, smooth and glal)rous up to the inflorescence; culms 2-jointed, hard 

 and j)olished, rigid, 30 to 50 cm. high; sheaths smooth, shorter than the internodes, 

 the basal ones niucli broadened and somewhat exi)lanate; ligule nearly obsolete, 

 ciliate; blades involute, cylindric, rigid, erect, smooth, pungent at the a]>ex, 8 to 12, 

 cm. long, 1 to 2 mni, in diameter; panicle narrow, erect, 5 to 10 cm. long; rays few, 

 sohtary, erect, sparingly branched, angled, nearly smooth; spikelets rather closely 



3-flowered, to 7 mm. long; Joints of the racldlla cylindric, smooth; glumes thick 



and lirni, the lower l-nerved, a(Uite, 2 mm. long, the upper 3-nerved, a little longer^ 

 both scabrous toward the tips; lennna ovate, thick, convex, somewhat carinate toward 

 the acuminate apex, awnless or very short-awned, scabrous near the tip, 4 to 4.5 mm, 

 long, 5-nerved, the lateral nerves disai^pearing above the miildle; palea as long as 

 the lemma, obtuse, the nerves hispidulous. 



