SUPPLEMENr.] 253 



9*. BARBULA ICMADOPHILA ScUmp. 



Dioicous ; slender, in dense olivaceous tufts. Leaves ovato- 

 lanceolate, acuminate with a long subulate excurrent nerve. Capsule 

 subcylindric. (T. LXXXIV, E.) 



Syn. — Barbula icmadophila Schimp. Bry. eur. fasc. 43, t. suppl. 2 (1850). Synops. 172 {i860), 

 2 ed. 211. C. MuELL. Synops. i, 614 {1849). Mildb Bry. siles. 117 (1869). Juratz. 

 Laubm. oest.-ung. 123 (1882). HusN. Muse. gall. io5, t. 30 (1886). LiMPR.in Rabenh. 

 D. kr. fl. Laubm. i, 623 (1888). 



Tortilla icmadophila Lindb. de Tort. 249 (1864). De Not. Epilogo 333 (1869). 



Barbula abbreviatifolia H. Muell. in Verb. bot. Ver. Brandenb. 1866, p. 58. 



Dioicous ; in dense tufts, olivaceous green above, brown at base, 

 the stems very slender, with short subcuspidate shoots. Leaves erecto- 

 patent, from an ovate base, lanceolate, suddenly acuminate, the 

 brownish nerve excurrent in a long subulate straight point about ^ the 

 length of leaf, margin revolute with a longitudinal fold just within it ; 

 cells uniform, incrassate quadrate, shortly rectangular at base. Perich. 

 bracts longer, sheathing. Seta reddish, caps, brown, erect, almost 

 cylindric, Hd with a short oblique beak ; peristome purple, twice twisted, 

 to the left. 



Hab. — Moist alpine rocks ; rare and sterile. Fr. 8. 



Quiraing, Isle of Skye, and above Loch-na-Chat, Ben Lawers (Dixon, July, 1893) ! ! 



This moss is very close to B. acuta, but has the leaves more suddenly 

 narrowed above the middle, with the nerve much more excurrent. The 

 fruit is very rare, but has been found at Krimmel fall, Salzburg. 



CINCLIDOTUS. 



2. CINCLIDOTUS RIPARIUS {Host) Amott. 



Dioicous; dull dark green. Leaves Ungulate, obtuse with a short 

 apiculus, scarcely keeled, limb of 5 rows of cells in several strata. 

 Caps, exserted, longish, curved. (T. LXXXIV, C.) 



SiN.—Gymnostomum riparium Host Syn. pi. austr. 563 (1797). 



Trichostomum nigricans Brid. Sp. muse. I, 242 (1806). 



Trichostomum riparium Web. Mohr Bot. Tasch. 120 (1807). Schkuhr D. kr. fl. P, II, 

 75, t. 23 (1810). ScHWAEG. Suppl. I, P. I, 158, t. 39 (1811). RoEHL. Deutsch, fl. iii, 

 64 (1813). FuNCK Moost. 27, t. 18 (1821). 



Racomitrium riparium Brid. Mant. 80 (1819), Bry. univ. i, 223 (1826). Hueben. Muse, 

 germ. 213 (1833). 



