KONGL. SV. VET. AKADEMIENS HANDLINGAR. HAND 28. N:() 3. 



32 . .. 32 22 



Fi#. a, fo 1 in — ; b, bractea penchaetii — ; c, Gapsula — . 



Pl. 00, fig. 37, planta magn. rjat. 



Dicranella pertenella C. Muller n. sp. in litt. 



Dioica, laxe casspitosa, caespitibus parvis, sortlide viridibus; caulis erectus vel plerum- 

 que adscendens, simplex vel plerumque pauci-ramosus, inferne radiculosus; folia inferiora 

 minora, remotiuscula, superiora majora, densiora, patentia, arcuata, haud vel vix secunda, 

 usque ad 5 mm. longa, e basi brevi, vaginante sensim attenuata, longe capillariter elon- 



gata, marginibus planis, integerrimis, summo tantum erosulis, nervö valido, basi 0,076 — 

 0,095 mm. crasso, laevi, fere partem totam folii elongatam occupante, infra summum apicem 

 evanido; celluloe elongatse, parce chlorophyllosae, basales subrectangulae; bractece perichcetii 

 foliis similes; vagwula cylindrica; seta erecta, stricta, usque ad 7 mm. älta, medio 

 0,095 mm. crassa, aureo-flava, nitida, IsBvissima, siccitate sinistrorsum torta; theca erecta, 

 stricta, plerumque ovato-oblonga, symmetrica, 1 mm. longa et 0,5 mm. crassa, siccitate 

 subtuberculata, sub ore constricta, brunnea; peristomium simplex, inferne aurantiacum, 

 superue pallidius; dentes 16, humidi conniventes, sicci erecti, superne arcuate inflexi, 

 0,347 mm. alti et 0,04 mm. lati, haud trabeculati, e basi ad medium lorigitudinaliter dense 

 rugosi, rugis papillosis, paullum infra medium in lacinias binas, dense papillosas fissi; 

 operculum minuté conicum, longe rostratum, rostro subulato, obliquo, circiter theese lon- 

 gitudinis; spofée rotundas, sordide virides, granulosaa, 0,oi9 mm. magnae. 



Habitat in Camernnia in rnjjibns basalticis adesis rivalibus, ubi prope Etome pagum 

 360 metra supra mare ni. Jannario a. 1892 c. fr. legi. 



