64 TRIANDRIA DIGYNIA. 



aversa profundc striata, villis brcvibus scabrius- 

 cula. Vatrincc striaUe, glabrae. Ligula cxser- 

 ta, ohtusa, inox fissa bipartha. Culmus tripeda- 

 lis, crcclus, trinodis , strialus, glaber, basi sub- 

 incurvus. Spicultv in panicula 4- 5 uncias longa, 

 subsecunda, 25-45, 5- 7 florae. Aristaz termi- 

 nales 2 - 5 lincarcs, cx viridi - fuscae. Antheraz 

 violaceae. 



Nota. Omnino diversa aFestuca duriuscula 

 L i n 11 Panicula patens ante et post 

 ilorescentiani , nunquam in spicam contracta, 



pag. 2 1 4. F E s t u c a duriuscula. 



Icon. Sowerby Engl. Bot. tab- 47 o. 



Radix fibrosa- dcnsa, fusca, fusco-nigricans. 

 Culmt pedalesj scsquipedales , erecti, icrctcs, ul- 

 tra ineciium foliati-, subbinodes, laeves. Folia 

 radicaiia cuhneis longiora, filiformia, sulco 

 exarata, subtrigona, scabra, tenacissima. Cul- 

 mea breyia, lateribus conduplicatissetacea, laevia, 

 tenaeia. JJcrula brcvis, truncata, subauriculata, 

 fusea. Vagince, longae, laeves. Panicula sceunda, 

 2 - 5 - 4 uncialis , oblongo - lanceolaia , angusta , 

 ante et post antliesin contracta. Spiculaz in pa- 

 nicula circiter 1 5 - 2 5 , ovatae , glauco - virides- 

 centes, (quandoque rubellae) glabrae , aut subliir- 

 sutae ,5-6 flone. Calycince valvulae inaequales , 

 lineari - lanceolatae , mucronalae. Corollaz valvula 

 exterior lanceolata , apice in Aristam tenuem, 

 lincam ad sesquilincam longam reetam terminata. 



Varietas: Culmis ex radice fibrosa copiosi- 

 oribus, fere bipedalibus, subcomprcssis glab- 

 ris glaucis. Fpliis radicalibus fasciculatis, 

 numcrosis, fdiformibus suleo exaratis, longi- 

 oribus, curvatis, tenacissimis, glabris, glau- 



cis, 



