io6 ANNALS OF SCOTTISH NATURAL HISTORY 



straight when moist, on an average, 17 by -54 mm., margin recurved 

 nearly to apex, and there nearly or quite entire ; nerve strong, about 

 08 mm. in breadth near base, tapering upwards, soon turning reddish 

 or even red, vanishing just below apex, rarely slightly excurrent ; 

 cells of pagina at central base oblong, '022-'034 by -oi4-'02 mm. ; 

 shorter outwards, and near margin nearly the same as those above ; 

 upper cells bluntly quadrate, showing primordial utricle in almost 

 every instance, large, oi4- - o22 mm. across, a very little smaller near 

 apex ; perichoetial leaves paler, bluntish below, more acute above, 

 clasping closely the seta for a considerable distance ; capsule, etc., 

 as in C. purpureus, but the cells of the annulus longer viz., '06 

 mm. long, with small roundish red cells at their bases. 



This moss is peculiar in the short leaves and large cells of the 

 pagina, nearly four times the area of those of the common form. It 

 bears the same relationship to C. purpureiis that Cynodontium laxirete 

 (Dixon) bears to C. polycarpum. Streets in the suburbs of Glasgow, 

 1863. 



BARBULA LIMOSA (n. sp.} Stems rather closely aggregated, 

 forming extensive patches on the bare ground, of a dark-green colour, 

 short, about an eighth to a quarter of an inch in height, simple, so 

 far as observed, with tufts of smooth red radicles at the base ; lower 

 half or thereby pale, nearly bare, having only a few minute scattered 

 leaves ; upwards the leaves become suddenly compacted into a dense 

 tuft, denser at apex ; leaves incurved when dry, spreading and 

 recurved when moist ; lower leaves of the tuft short, broadly ovate, 

 upper somewhat longer and narrower, but both roundly obtuse at 

 apex, with the pagina terminating unequally as in Z. Stirtoni ; nerve 

 pale, then yellow, lastly reddish, narrow, about '04 mm. broad near 

 base, prominent and smooth behind, tapering upwards and excurrent 

 in a short mucro, at times ceasing below the apiculus ; margin plane, 

 often slightly undulating, especially in the upper leaves, slightly 

 crenulated and papillose from projecting cells ; cells at base hyaline, 

 exactly as in B. tortuosa, oblong, "04-'05 by oi-'oi4 mm. sloping 

 up to a point on the margin, ending abruptly in the dense, opaque 

 cells for the rest of the leaf, 'oo8-'oi2 mm. diameter, slightly smaller 

 near apex, densely bigeminately papillose on both aspects of leaf. 

 This moss is allied to B. inclinata, but the differences between them 

 are manifest. Arisaig, near the sea, 1904. 



ULOTA SCOTICA (//. s/>.) -Tufts present much the appearance of 

 those of U. phyllantha, but are larger, laxer, light-green above, dark 

 or brownish-black below ; stems reddish or red, i inch or more long, 

 simple or sparingly branched, arising from a prostrate or creeping 

 stem, emitting here and there from the lower parts of the branches 

 slender stolons, sparingly red-radiculose, bearing scattered minute 

 leaves, shortly nerved or almost nerveless ; leaves proper rather laxly 

 disposed, long, narrowly lanceolate, acuminate, nearly erect and 



