HvPNACEiE.] 59 [Amblystegium. 



H. palustre Var. Hook, in Herb. 



Limnobium ochraceum Br. Sch. Biy. eur. fasc. 62 — 64 Suppl. t. 2 (1855). 



Stereodon ochyaceus Mitt, in Journ. Linn. see. viii, 42 (1864). 



Amblystegium ochraceum Lindb. Muse, scand. 33 (1879). 



Dioicous ; in lax soft tufts, yellowish-green above, ochraceous at 

 base. Stems elongated, ascending, with few branches, flexuose, 

 incurved at apex, not radiculose. Leaves crowded more or less secund 

 and falcate, variable in form, concave, ovate-oblong and elongate 

 lanceolate, with a short or long acumen, obtuse, entire or obsoletely 

 denticulate at apex, generally sulcate, nerve slender, forked or simple, 

 reaching to or beyond middle ; cells narrow and flexuose above, large 

 rectangular and hyaline at basal angles. Perich. bracts squarroso- 

 recurved, lanceolate, not sulcate, nerved to middle, obtusely serrate at 

 apex. Capsule from a short erect neck, incurvo-cernuous, oval-oblong, 

 olivaceous, annulus broad of three rows of cells, lid mamillar; teeth 

 pale orange with a hyaline border. Male infl. with numerous bracts, 

 patulous at apex, nerveless. 



Hab. — On stones in streams in subalpine districts. Fr. 6. 



Ballycheulish, Ireland {Turner 1807). Ben Nevis (Hooker 1808). Clova and Lochnagar 

 (Don 1807). Bantry (Miss Hutehins). Kelly's Glen, Dublin, c. fr. (Moore 1849). 

 Sefing Mtn. Wicklow c. fr. (Taylor). Carron Water (Lyle). Gorple Clough, 

 Todmorden, c. fr. (Nowell 1851) ! ! Dolgelly and Aber falls (Wilson). Ben Lawers, 

 in the Loch-na-Chat stream, c. fr. (Braithwaite 1865) ! ! 



Var /3. flaccidum Milde. 



Stem elongated, lax-leaved. Leaves spreading on all sides, elongated, 

 broadly lanceolate, with a longer point, the nerve double and longer. 



Syn.— ff. ochraceum Wax. flaccidum Milde Bry. siles. 376. 



Hab. — West Yorkshire {Whiti 



A . ochmceum is very variable in size and in the direction of the leaves and 

 is often confounded with the next, but is quite distinct by the longer soft 

 leaves with large hyaline cells at angles and squarrose perichaetial bracts. 



36. AMBLYSTEGIUM PALUSTRE (Huds.) Lindb. 



Autoicous ; yellowish or lurid green. Stem creeping, with short 

 simple suberect branches, curved and pointed at apex. Leaves more 

 or less secund, spreading, oval-oblong, concave, shortly pointed or 

 rounded and obtuse, nerved half-way or with two short nerves. Caps, 

 ovate, cernuous. (T. XCV, E.) 



