ToRTULACE.E.] 259 [Barbula. 



I. BARBULA CURVIROSTRIS (Ehrh.) Lindb. 



Dioicous; tall, densely csespitpse. L. linear-lane, acute, with 

 recurved margins, nerve vanishing at apex. Caps, ovate, gymnostomous ; 

 lid obliquely rostrate, systylious. (T. XXXVIII, D.) 



Syn. — Pottia curvirostris Ehrh. Beitr. i, 188 (1787). 



Gymnostomum curvirostre Hedw. Stirp. cr. ii, 68, t. 24 (1789), Sp. muse. 33 (1801). 

 HoFFM. Deutsch. fl. ii, 28 (1795). Brid. Muse. ree. II, P. I, 45 (1798), Sp. muse. I, 39 

 (1806), Mant. 18 (1819), Bry. univ. i, 84 (1826). Roth Fl. germ, iii, P. I, 125 (1800). 

 RoEHL. Moosg. deutscii. 82 (1800). Smith Fl. brit. 1164 (1804), Eng. bot. t. 2214. 

 P. Beauv. Prodr. 59 (1805). Web. Mohr Bot. Tasch. 83 (1S07). Schkuhr Deutsch. 

 kr. gew. P. II, 22, t. 10 (1810). Schwaeg. Suppl. I, P. I, 32 (1811). Wahlenb. 

 Fl. lapp. 302 {1812). Mart. Fl. crypt, erl. 122 (1817). Hook Tayl. Muse. brit. 11, 

 t. 6 (i8i8). Hartm. Skand. fl. 382 (1820). Gray Nat. arr. br. pi. i, 714 (1821). 

 Hook. Fl. scot. P. II, 122 (1821), Br. fl. ii, 7 (1833). Nees Hornsch. Bry. germ. 170, 

 t. II, f. 34 (1823). HuEBEN. Muse. germ. 55 (1833). Mack. Fl. bib. P. 2, g (1836). 

 De Not. Syllab. 289 (1838). Epil. bri, ital. 602 (1869). Br. Sch. Bry. eur. fasc.33 — 36, 

 p. 8, t. 7 (1846). Rabenh. Deutsch. kr. fl. ii, S. 3, 122 (1848). WiLS. Bry. brit. 42, 

 t. 6 (1855). ScHiMP. Synops 43 (i860), 2 ed. 43. Berk. Handb. br. m. 294 (1863). 

 HoBK. Syn. br. M. 32 (1873). Juratz. Laubm. oesterr.-ung. 15 (1882). Lesq. James 

 Mosses N. Amer. 54 (1884). 

 Bryum stelligerum Dicks. Crypt, fasc. II, 3, t. 4, f. 4 (1790). 



Gymnostomum stelligerum Brid. Muse. ree. II, P. I, 46 (1798), Sp. muse. I, 39 (1806), 

 Mant. 18 (i8ig), Bry. univ. i, 8g, p.p. Schrad. Journ. bot. ii, P. I, 55 (1799). Smith 

 Fl. brit. 1 164; Eng. bot. t. 2202. 



Gymnostomum ceruginosum (non Smith). Nees Hornsch. op. t. 160, t. 10, f. ig. 



Weissia curvirostris C. Moell. Synops. i, 658 (1849). 



Hymenosiylium curvirostre Mitt. Journ. Linn. see. i, Suppl. 32 (1859). Lindb. De 

 Tort. 230 (1864). Milde Bry. siles. 48 (1869). 



Barbula curvirostris Lindb. Muse, seand. 22 (1879). 



Dioicous ; in soft tumid tufts, yellow-green above with a fuscous 

 tinge, ferruginous below. Stems i — 4 in. high, fragile, much branched, 

 fastigiate, radiculose. Leaves erecto-patent, scarcely incurved when 

 dry, lane, acute, carinate, minutely papillose, margin recurved, often 

 subserrated above the base, nerve semi-terete, prominent at back, 

 vanishing below apex ; cells at base pellucid, elongated, above quadrate 

 and oval, papillose. Seta straw-colored, reddish at base. Caps, ovate, or 

 subspherical, pachydermous, gymnostomous, rufous, glossy, when old 

 turbinate ; lid from a conic base, with a long subulate oblique beak, 

 systylious and long persistent ; calyptra reaching middle of caps, long- 

 beaked. Male plants similar to the female, infl. terminal, bracts ovate, 

 acute. 

 Hab. — Alpine calcareous rocks. Fr. g. 



Var. j8. commutata {Mitt.) Lindb. 



Plants taller, more rigid, tinged with brown ; leaves long, narrow, erect, 

 more obtuse, the cells all more or less rectangular, pellucid, smooth. 

 (T. XXXVIII, E.) 



Syn. — Hymenostylium commutatum Mitt. Journ. Linn. Soc. i, Suppl. 32 (1859). 

 Barbula curvirostris var. commutata Lindb. Muse. Scand. 22 (1879). 



