HYPNACE*.] 172 \Isopterygium. 



Hypnum curvifoliutn (non HEDW.) C. MUELU Synops. ii, 292 p.p. (1851), Deutsch. Moose 



423 (I853)- 



Hypnutn cuprtssifonne van. contplanatum HAMPE Veg. eel. Hercyn. exs. no. 96. 

 IsopUrygitim pratense LINDB. Muse. Scand. 39 (1879). 



Dioicous and pseudautoicous ; in lax soft pale green tufts. Stem 

 rigid, prostrate or ascending, with few irregular complanate branches ; 

 paraphyllia few and small. Leaves crowded, secund and decurved at 

 points, ovato-lanceolate, thin, entire or serrate at the long narrow point, 

 slightly undulate when dry ; nerves obsolete or very short ; cells very 

 narrow, pointed, at angles few, quadrate and rectangular ; branch-leaves 

 smaller falcato-secund. Perich. bracts imbricated, lanceolate with long 

 recurved points, plicate ; seta red ; capsule cernuous, ochraceous, ovate, 

 gibbous, arcuate when dry; lid convex-conic, annulus broad, in 3 series 

 of cells ; peristome yellow, processes cleft, cilia 2 3, papillose. Male 

 infl. gemmiform, the bracts narrow lanceolate; sometimes attached by 

 radicles to the stem or leaves of the female. 

 HAB. Wet grassy places, not common, and sterile. 



Sussex (Borrer). Hurstpierpoint (Mitten) \ \ 



Much resembling Ster. Lindbergii, but the leaves have a different arrangement, 

 and are more or less complanate, with the points curved down on one side ; the 

 cells at basal angles are much smaller. 



2. ISOPTEBYGIUM MTTELLEEI (Schimp.) Lindb. 



Dioicous ; in flat shining yellowish-green patches, the stems stoloni- 

 form and flagelliferous. Leaves distichous, lanceolate, gradually narrowed 

 into a subulate point ; nerves none or very short ; cells very long and 

 narrow. Capsule suberect, narrowly obovate tapering into a neck ; lid 

 conic rostellate. (T. CXVI, A.) 



IMP. Synops. 584 (1860), 2 ed. 698. MILDE Bry. Siles. 317 



. , . . . . 



. LESQ, JAMES Moss N. Amer. 367 (1884). SULLIV. 



o^ S ^r;^ PpL ^ L ^ (I874 >" HusN - Musc - g alL 349, t. < (1893) DIXON in 

 urn. Bot 1898, p. 241, t 387. LIMPR. in RABENH. D kr. flLLaubm. iii, 283 (1897). 



Plagiothecium rostellatum MOLENDO in Sched. 1861. 



IsopUrygium Barren LINDB. Notiz. Saellsk. Fn. & Fl. fenn. xiii, 416 (1874). 



Plagiothecium MoUndoi LORENTZ in Sched. 



Isopterygium Muellenanum LINDB. in Meddel. Soc. Fn. & Fl. fenn. 1887, p. 77. 



Dioicous ; in flat bright green shining tufts. Stem stoloniform, with 

 ascending subpinnate complanate branches which often become flagelli- 

 form, long very slender small-leaved stolons, and with reddish radicles, 

 ji cortical cells very large, lax, and leptodermous. Leaves patent, dis- 

 hous, from a narrow non-decurrent base elongato-lanceolate, gradually 



