28 MR. W. MITTEN ON THE MOSSES OF THE EAST INDIES. 
vatave, operculo subulato theca dimidio breviore, peristomii dentibus 
brevissimis Didymodontis, annulo simplici latiusculo. 
Didymodon duriusculus, Wils. l. c. p. 299. 
Hab. In Ceylon, Gardner. 
Habitu facieque T. tortuose similis, sed paululum minor, pagina foliorum 
szepe destructa, unde primo visu folia angustissima setacea apparent. | 
T. Bombayensi etiam simillima, foliis autem cellulis minoribus fir- A, 
mioribus. s 
4. T. Bombayensis. (Trichostomum, C. Müller, Syn. ii. p. 628.) 
Hab. Bombay, Kegel! 
5. T. ANGUSTATA. Dioica, cespitosa, lutea, caule elongato elato 
flexuoso dichotomo, folis e basi erecta quadrata superne dilatata 
eaulem amplexante squarroso-recurvis subulatis tenuiter angustatis 
longiusculis, nervo crasso luteo excurrente carinatis marginibus inte- 
gerrimis, cellulis basi elongatis parallelogrammaticis pellucidis sensim 
in parvas obscuras fere lzves transeuntibus. 
Hab. In Ceylon, Gardner! (No. 134). 
T. duriuscule similis, sed foliis siccitate minus incurvo-crispatis angus- 
tioribus et basi amplexante statim dignoscitur. 
6. T. anomala. (Barbula, Bryol. Europ.) 
Hab. In Himalaya boreali-occident., Royle! et in reg. temp., T. Thomson | 
(No. 138, 139, 140, 141, 142, 183). Kumaon, Strachey et Winter- 
bottom ! 
Forsan a Trichostomo corniculato, Schw. t. 118, non diversa. 
7. T. longifolia. (Barbula, Griff. Not. p. 410; Icon. Plant. Asiat. ii. 
t. Ixxix. f. 11.) 
Hab. In mont. Khasia, ad Moflong et Bogapanee, McClelland. 
Ex icone T. cylindrice affinis. 
8. T. cylindrica. (Weissia, Bruch in Bryol. Germ.—Trichostomum, 
C. Müller, Syn.i. p. 586.—Didymodon longifolius, Griff. Not. p. 433; 
Icon. Plant. Asiat. ii. t. lxxx. f. iv.) 
Hab. In Himalaye reg. temp., Nepal. Wallich! et J. D. Hooker (No. 
136 c). Sikkim, J. D. Hooker ! (No. 115, 149). In Ceylon, Gardner ! 
in mont. Khasia., “ Rips Surureem," Griffith ! 
9. T. orthodonta, C. Müller, Bot. Zeit. 1853, p. 57. 
Hab. In mont. Nilghiri, Schmid! Gough! In Ceylon ins., Walker! 
10. T. srTENoPHYLLA (Mitten). Dioica, czspitosa, flavescens, caule 
innovationibus ramoso gracili humili, foliis e basi erecta patentibus 
incurvis siccitate cirrhatis lineari-lanceolatis tenuiter angustatis fra- 
gillimis, nervo luteo percurrente carinatis marginibus ob papillas pro- 
minulas crenulatis, cellulis basi elongatis pellucidis parallelogrammaticis 
superne rotundatis minute papillosis, perichztialibus caulinis similibus, i 
REN, gen 
