DICRANACE^E.] 143 [Dicranum. 



Autoicous; in dull dark green tufts | lin. high, fragile, densely 

 casspitose. Leaves lanceolate-subulate, scarcely secund, flexuoso- 

 patent, soft, entire, nerve excurrent in a fine point ; cells below lineal- 

 rectangular, subquadrate above, at angles brown or hyaline. Perich. 

 bracts very large, laxly areolate, with fuscous basal cells, suddenly 

 subulate, the inner sheathing ; caps, on a short reddish seta, shortly 

 ovate, subcernuous, more or less incurved, smooth, pale ferruginous, 

 strumulose when dry ; lid crenulate at base, conic, with a long oblique 

 beak ; annulus simple. 



Male infl. far below perichaetium, inner bracts shortly acuminate. 

 HAB. Crevices of mountain rocks, not common. Fr. 8. 



Holwick scarr, Teesdale (Spruce 1843) ! Carnedd Llewellyn, Snowdon and Cader Idris 

 (Wilson) ! ! Loch-na-Gar (Black) ! Ben Lawers (Wilson) ! ! Glen Dole, Glen Callater 

 and Bach-na-gairn (Hunt 1869) ! ! Glen Prosen (Fergnsson 1868) ! 



3. DICRANUM FALCATUM Hedw. 



Autoicous ; loosly tufted. Leaves lane. -subulate, falcato-secund, 

 crisped, angular cells few, indistinct. Caps, obovate, strumose, smooth, 

 wide-mouthed when dry ; peristome blood-red. (T. XX, B.) 



SYN. Bryum uncinatum DICKS. Cr. brit. fasc. IV, n, t. n, f. 8 (1801). 



Dicranum falcatum HEDW. Sp. muse. 150, t. 32, f. i 7 (1801). SM. fl. brit. iii, 1208 



(1804), Eng. Bot. t. 1989. BRID. Sp. muse. I, 224 (1806) ; Mant. 53 (1819). WEB. 



MOHR Bot. Tasch. 190 (1807). SCHWAEG. Suppl. I, P. I, 190 (1811). WAHLENB. Fl. 



lapp. 338 (1812), Fl. carpat. 344 (1814), excl. syn. Dill. ROEHL. Deutsch. fl. iii, 73 



(1813). HOOK. TAYL. Muse. brit. 54, t. 15 (1818). FUNCK Moost. 31, t. 21 (1821). 



GRAY Nat. arr. br. pi. i, 735 (1821). HUEBEN. Muse. germ. 229 (1833). DE NOT. Syll. 



216 (1838), Epil. bri. ital. 631 (1869). BR. SCH. Bry. eur. fasc. 3740, p. 27, t. 18 



(1847). RABENH. Deutsch. kr. fl. ii, S. 3, 142 (1848). C. MUELL. Synops. i, 363 (1849). 



WILS. Bry. br. 79, t. 17 (1855). SCHIMP. Synops. 79 (1860), et 2 ed. 81 (1876). BERK. 



Handb. br. m. 277 (1863). MILDE Bry. siles. 63 (1869). HOBK. Syn. br. m. 45 (1873). 



JURATZ. Laubm. Oesterr. ung. 38 (1882). 

 Cecalyphum scrophulosum P. BEAUV. Prodr. 51 (1805). 

 Oncophorus falcatus BRID. Bry. univ. i, 393 (1826). 



Autoicous ; laxly casspitose, slender, ascending ; i 1|- in. high, olive 

 green above, black and naked below, dichotomous and fastigiate 

 branched, falcate at apex. Leaves lane. -subulate, falcato-secund, 

 crisped, convolute concave, entire or denticulate at apex ; basal cells 

 narrowly rectangular, quadrate toward margin, the angular very few, 

 brownish, upper quadrate, nerve narrow flattened excurrent. Perich. 

 bracts broad, subvaginant, suddenly setaceous, laxly areolated ; caps, on 

 a rather short purplish seta, small, obovate, wide-mouthed, subgibbous, 

 cernuous, smooth with a tumid strumose neck, rufous brown, fuscous or 

 black when old ; annulus very narrow, orange, lid from a broad base, 

 obliquely rostellate, purple, half length of capsule ; teeth blood-red. 



Male infl. close to perich., inner bracts very shortly acuminate. 



