REVUE BRYOLOGIQUE 39 



Didymodon glaucus n, sp. 



r 



Synon. : Didymodon rigidulus Hedw. var. angus 



tifolius Breidl. in schcd. 



Dioicus. Flores feminei terminales, demum ad latera 

 dejecti. Arcliegonia ad 14, 0,o"'"' longa. Paraphyses paucse, 



Caespites exlensi, laxe coharentes, subtus luteoli, su- 

 perne in statu sicco glauci, crispati. _ 



Planta tcncra, ad 7""" alia, simplex vel ad basin parce 

 ramosa, inferne radicellas liiteo-fuscas la3ves,celerum goni- 

 dia rotunda, transverse scptata, stipitibus longis, ramosis, 

 radicellis similibus suffuHa, et paraphyses axiilares prote- 

 rens, e basi florum femineorum et ex apicc ramorum steri- 



lium innovans. ■,. , normm 



Caulis rolundatus — obtuse polygonus, diametro 0,24""° 



meliens, fasciculo centrali praditus, foha alternalun lon- 



giora et breviora emittens. . 



Folia sicca glauca, crispatissima,humida e luteo viriuia, 

 fragilia inferiora e basi latiore lanceolata, margine plana, 

 superiora multo majora, erecto-palentia - recurvata ad 

 2 ^u'"™ loaga ct 0,i"i""" lata, e basi anguslc lanceolata eion- 

 girto-lincan-lanceolata, sensim angustata, carinata, in mu- 

 cronem ad 0,3o""" longum, bevem, a costa excurrente for- 

 matum subifo coatracla, ab apice pscne ad basin margine 

 rccurva. Ala- uhUnie unislrata. Cellule basilares quadralaj 



— brevilor rectangulffi, in foliis vetustis byalina>, S"Penores 

 quadratu' — transverse brcviter rotundato-reclaj.gula}, 0,UIJ« 



— OOll™™ magna?, cellulis triangtilis parce mspersis, in 

 series dispositcC, chlorophyllosw, leviter incrassatffi, iaeves. 

 Costa valida, fusccscens, in toto folio paene aiqualis, in cus- 

 pidem longam, viridem, terelem cxcurrcns, supra basin 

 dorso convexa, 0,07-2-" lata, ducibus medianis 4, fascic i lo 

 stcrcidcarnm dorsali validissinio, ,n facie ventrali stiat.. 

 substcreideis 2 - 3, e cellulis nonnihil majoribus, cliloro- 

 nhyllosis, prominulis formalis ; apex e stratis 3 — 2 tUlu- 

 larum uniformium, clilorophyllosarum compos.tus. 



Planta mascula et fruclus ignoti. , ., . • ^.; 

 Ad delritum calcareo-scbistosum sub ^'^if "^. f ]"^'"^" i: 

 bus ol in locis quidcm, qucC et luce et hum.datc carere 



''Adhuc'e tribus locis provincisp Gudbrandsdalen Norvegia", 



• inter 610 30' et 61» 47" lat. bor. et -iOO - 550- snpra mare 



elevatis cotrnitus. Primus ad Kvamsporlon par. ^ordre Vvon 



tl n. Kaalaa.. in mense julii i8U7 ad Taarud ejusdem 



CIr. Kaurin. qui mihi plantam examinandam 



