221' CHLORIS MELVILLIANA. 



vix semmicialis, ramis alternis, subbifloris, strictis, laevibus, 

 vix denticulatis. Locustce oblongse, coloratse, Glumce 

 acutissimae, valvulis longitucline subaequalibus, carinatis, 

 glaberrimis, inferiore manifeste angustiore, paiiluluni bre- 

 viore, uninervi ; 67//?er?or<? basi trinervi. FeriantUa^m^^i^ 

 paulo superantia ; valvula inferior ipsa basi lana implexa 

 parca instructa, carina a basi ad diias tertias partes longitu- 

 dinis sericea, linea pariter sericea utrique margini approxi- 

 ccixxxviii] mata, a basi ad eandem fere altitudinem attingenti, 

 intersticiis pubescentibns siibsericeis ; superior dinervis, 

 nervis pectinatim denticulatis, lateribus induplicatis latius- 

 culis. Lodiculce 2. Stamina 3, antheris stramineis. 

 Ovarium imberbe. Stigmata 2, subsessilia, phimosa, 

 hyalina. 



59. PoA ARCTicA, paniciila efFusa: ramis paucifloris 

 capillaribus Igevibns locnstisqne coloratis ovatis 3-4-floris, 

 glumis snbsequalibus, perianthii valvula inferiore basi lanata 

 carina lineaque submarginali sericeis : intersticiis pubescen- 

 tibns, foliis linearibus : ligida subquadrata erosa. 



Poa laxa, Br. in Boss voy, ed. 2, v. 2, 7;. 192. {Ante, p. 

 177.) Hooker in Scoresbys greenh p. 410, non Willdenovii. 



Desc. Grame7i 5-8-pollicare. Culmi erecti v. adscen- 

 dentes, basi quandoque divisi, graciles, Iseves, foliati. Folia 

 radicalia angusto-linearia, canaliculata, culmo aliquoties 

 breviora ; culmea paulo latiora, plana, marginibus Isevibus, 

 denticulis obsoletissimis : vaginca. stricta3, striatse, laeves, 

 ipsa basi integra; Ugula subquadrata, nunc paulo longior 

 quam lata, apice eroso-inciso. PanicuJa sgepius efFusa, nunc 

 rara, nunc minus efFusa, rarissime subcoarctata, rachi 

 ramisque fuscis, ramis 3-4, semiverticillatis, 1-2-floris, 

 capillaribus, laevibus. LocustcE ovatse v. oblongo-ovatae, 

 fusco-purpureae, apicibus valvularum stramineo-fuscis 

 ipsoque margine albo, 3-4-florae, cum rudimento minuto 

 scarioso longius pedicellato quarti v. quinti ; rachi articu- 

 latim solubili, per lentem scabriuscula. Glumce subaequi- 

 valves, carinatae, acutse, fusco-purpurese, glaberrimae, carina 

 extra medium obsoletissime denticulata; inferiore angustiore, 

 nervis lateralibus obsoletioribus, altero obsoletissimo ; ,s2^je- 



