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 MOXOCO'IVLKDONKS. 225

riore vix lon<j:iore, uci'vis latc^ralibiis maiiifcstioribus. Perhintlin Vfilvnla iiiferior l)lii<^-a, su])cai'iii;itii,, ipsa basi V. potius ex apicc articiili raclicos laiia loiin^a coiitoiluplicata fiosnilos subnectciiti, carina a l)a.si ad duas tcrtias ])ai-tes longitiidiiiis sericea, villis hrcvibus, supra ol)Sletissiine dcuticulata, latcralihus a basi ad caiidcm circitcr altitiidiiKMii ac portic) sericea cariiioc ])ubcscentibiis, linea inti'aniariS'//}////^//« liyalina, laxe pliimosa raiiiis denticulatis.

Obs. Exeinplaria iioiiiiulla statiira majore, lociistis acuti- oribiis, glumis acuiuinatis periaiitliia inferiora subetquanti- bns, foliis latioribns.

Poa laxa, IViUden. sj). pi. \, p. 3SC), qiiam ex eodem nionte Silesice iibi a b. HaeidvC detecta fiiit lia])co a 1). Treviraiio coiDniuuicatani, differt statura minore^ panicula coarctata, raclii raiiiisqiie paiiiciila} et glumis infra medium viridibus,periantluis acutioribus lana baseos parciore; locustae rachi laevi.

Poa flexuosa, Host (jrarn. audr. 4, /;.15, t. 20, qua^ similis videtur P. arcticye panicula eftusa et locustae colore tigura et pubescentia, differt paniculae raclii ramisque viridibiis magis divisis scabris, gliimarum carinis longitudinaliter denticu- latis.

00. Pestuca BR.EViFOLiA,racemo subsimplici erecto, >ixxxix flosculis teretibus supra scabriusculis arista duplo longiori- bus, foliis setaceis vaginisque Isevibus : cuhnco supremo multoties breviore vagina sua laxiuscula.

Ohs. Facies et statura fere P. ovince inter quam et P. Ilalleri media ; priori forsan nimis affinis.

01. Pestuca vivipara.

Ohs. Nullam observationem habeo dc exemplar! unico Pestucsecujusdam viviparae dim viso in lierbario D. Sabine, ulterius examinando.

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