DICRANACE.E.] 124 [BUndiet. 



Autoicous ; densely csespitose, in dwarf rigid tufts ; about in. 

 high, dull yellow-green above, fuscescent below, rigid dichotomous and 

 fastigiate. Leaves crowded, erecto-patent, or slightly falcato-secund 

 above, oblong, subulate, ending in a very short hyaline point, entire, 

 thin-nerved ; cells at base narrow linear-oblong, angular enlarged brown 

 incrassate, upper narrow smaller flexuose. Perich. bracts much larger, 

 sheathing. Capsule immersed, obovate-globose, truncate, gymnosto- 

 mous, pachydermous, pale brown ; calyp. covering only the lid which 

 is orange, depressed, obliquely rostrate, and adnate to the columella. 



Male infl. gemmaceous, at base of fertile branches ; bracts concave, 

 ovate, acuminate. 



HAB. Crevices of wet mountain rocks ; rare. Fr. 7 9. 



Summit of Ben Lawers (Hooker 1830) ! ! 



2. BLINDIA ACUTA (Huds.) Br. Sch. 



Dioicous ; leaves oblongo-lanceolate, linear-subulate, acute. 

 Capsule exserted, pyriform ; with 16 lanceolate entire or perforated 

 teeth. (T. XVII, F.) 



SYN. Bryum pilosum, sphagni subulati facie DILL. Hist. muse. 374, t. 47, f. 34 (1741) et herb. 

 Bryum verticillatum LIGHTF. Fl. Scot, ii, 733 (1777). 

 Bryum acutum HUDS. Fl. angl. 2 ed. 484 (1778). WITH. Bot. arr. br. veg. 3 ed. iii, 823 



(1796). DICKS. Herb. sice. fasc. 17, n. 20. HULL Br. fl. P. 2, 260 (1799). P. BEAUV. 



Prodr. 45 (1805). 



Weissia acuta HEDW. Stirp. cr. iii, 85, t. 35 (1792) ; Sp. muse. 71 (1801). BRID. Muse. 



rec. II, P. I, 78 (1798); Sp. muse. I, no (1806) ; Mant. 47 (1819); Bry. univ. i, 362 



(1826). SCHWAEG. Suppl. I, P. I, 69 (1811). ROEHL. Deutsch. fl. iii, 51 (1813); Ann. 



Wett. ges. iii, 112. WAHL. Fl. lapp. 322 (1812). HOOK. TAYL. Muse. br. 48, t. xv. 



(1818). GRAY Nat. arr. br. pi. i, 732 (1821). HOOK. Fl. Scot. P. 2, 131 (1821) ; Brit. fl. 



ii, 24(1833). FUNCK Moost. 14, t. 9(1821). HUEBEN. Muse. germ. 146 (1833). MACK. Fl. 



Lib. P. 2, 16 (1836). DE NOT. Syll. muse. 230 (1838). 

 Weissia rupestris HEDW. Sp. muse. t. 14. 



Grimmia rupincola WEB. MOHR Reise Schwed. t. 2, f. 3 a d (1804). 

 Grimmia acuta SM. Fl. brit. iii, 1192 (1804); Eng. Bot. t. 1644. TURN. Muse. hib. 29 



(1804). WEB. MOHR Bot. Tasch. 145 (1807). SCHKUHR D. kr. gew. P. 11,50, t. 26 (1811). 

 Weissia fastigiata NEES HSCH. Bry. germ, ii, t. 35, f. 31 (1831). 

 Blindia acuta BR. SCH. Bry. eur. f. 33 36, p. 3, t. i (1846). C. MUELL. Syn. i, 342 (1849). 



RABEN. Deutsch. Kr. fl. ii, s. 3, 133 (1848). WILS. Bry. brit 58, t. 15 (1855). SCHIMP. 



Syn. 119 (1860), et 2 ed. 131 (1876). BERK. Handb. br. m. 286, t. 24, f. i (1863). MILDE 



Bry. siles. 88 (1869). HOBK. Syn. br. m. 39 (1873). JURATZ. Laubm. Oesterr. ung. 



72 (1882). 



Seligeria acuta DE NOT. Epil. bri. ital. 653 (1869). 



Dioicous : laxly casspitose, in compact fragile tufts i 4 in. high, 

 yellow-green above, olivaceous or black below ; the young stem pale 

 red. Leaves crowded, erecto-patent, the apical sometimes secund, 

 oblongo-lanceolate, linear-subulate, acute, entire, convolute-concave ; 

 angular cells large, orange-brown ; nerve thin, excurrent. Perich. 

 bracts from a broad sheathing base, suddenly plicato- subulate. Caps, 

 on a short purple seta, pachydermous, pyriform oval, erect, pale brown, 



