TORTULACE^.] 189 [Phascum. 



fuscescent. Male infl. basal, gemmiform, bracts obovate-lanceolate, 

 nerveless. 



HAB. Bare places among short grass on the south coast ; rare. Fr. 2 4. 

 Cliff between Rottingdean and Newhaven (Borrcr 1844) ! ! near Brighton (Mitten) \ \ 



3. PHASCUM (L.) SCHREB. 



(De Phasco Obs. (1770) .) 



Plants very small, pottioid, gregarious, with a short erect stem. 

 Leaves nerved, ovate or lanceolate, entire, comant, the cells rhombo- 

 hexagonal, denser above, usually papillose. Calyptra cucullate. Cap- 

 sule on a very short pedicel, immersed or somewhat exserted, subglobose 

 or ovate, obliquely apiculate, astomous, pachydermous ; columella 

 perfect. Der. <as*ov, a name applied by Theophrastus to Usnea 

 barbata. 



CLAVIS TO THE SPECIES. 



Capsule immersed. 



Plants green, leaves oblong connivent. acaulon. 



Plants brown, leaves ovate-acuminate patent. Floerkei. 



Capsule exserted. 



Leaves lanceolate acuminate, seta arcuate. curvicolle. 



i. PHASCUM ACAULON L. 



Paroicous ; stem simple, erect. Leaves ovate and elongato-lanceo- 

 late, cuspidate with the excurrent nerve. Caps, subglobose, apiculate, 

 brown. (T. XXVII, I.) 



SYN. Miiscus trichoides acanlos minor latifolius. DOODY, MERR. Pinax 86 (1667). RAY Syn. 



stirp. br. 2 ed. app. 324 (1696). 

 Sphagnum acaulon foliis in bulbl formam congestis majus DILL. Cat. Giss. 230 (1719), et 



in RAY Synops. 3 ed. 105 (1724). Hist. muse. 251, t. 32, f. n (1741), et Herb. 

 Sphag. acaulon foliis in bulbi formam congestis minus DILL. Cat. Giss. 1. c. et in RAY Syn. 



1. c. Hist. muse. 252, t. 32, f. 12, et Herb. 

 Phascum acaulon L. Sp. plant, ii, 1106 (1753). HUDS. Fl. angl. 396 (1762). WEISS Cr. 



goett. 266 (1770). WITH. Bot. arr. br. veg. ii, 660 (1776). LIGHTF. Fl. scot, ii, 693 (1777). 



Fl. Dan. t. 249, f. 3. CURT. Fl. Lond. t. 66 (1778). RELH. Fl. cant. 395 (1785). HULL 



Br. fl. P. 2, 251 (1799). LINDB. de Tort. 217 (1864). MITT. Journ. Lin. Soc. xii, 141 



(1869). 



Phascum cuspldatum SCHREB. de Phasco 8, t. 1. fgg. i 5 (1770), Spic. Fl. lips, 73 (1771), 

 WEB. Fl. goett. 125 (1778). ROTH Fl. germ, i, 452 (1788), iii, P. I, in. SCHRANK 

 Baiers. fl. ii, 432 (1789) SIBTH. Fl. oxon. 273 (1794). LAICH. PI. eur. 471 (1794). 

 HOFFM. Deutsch. fl. ii, 19 (1795). BRID. Muse. rec. II, P. I, 17 (1798), Sp. muse. I, 8 

 (1806), Mant. 8 (1819), Bry. univ. i, 41 (1826). SWARTZ Muse. suec. 18 (1799). ABBOT 

 Fl. bedf. 229 (1798). ROEHL. Moosg. deutsch. 29 (1800), Ann. Wett. ges. i, 187 (1809), 

 Deutsch. fl. iii, 33 (1813). HEDVV. Sp. muse. 22 (1801). SM. Fl. brit. iii, 1155 (1804), 

 Eng. Bot. t. 2025. TURN. Muse. hib. 3 (1804). P. BEAUV. Prodr. 82 (1805). SCHULTZ 

 Fl. starg. 274 (1806). WEB. MOHR Bot. Tasch. 68 (1807). SCHKUHR Deutsch. kr. gew. 

 P. 2, 8, t. 3 (1810). SCHWAEG. Suppl. I, P. I, 2 (i8n). VOIT Muse. herb. 3 (1812). 

 LA PYL. Journ. Bot. 1813, p. 273, t. 19. WAHLEN. Fl. carpat. 333 (1814), Fl. upsal. 392 

 (1820). MART. Fl. cr. erl. 125 (1817). HOOK. TAYL. Muse. br. 8, t. 5 (1818). HARTM. 

 Skand. fl. 379 (1820). HOOK. Fl. scot. P. 2, 122 (1821), Br. fl. ii, 4 (1833). GRAY Nat - 

 arr. br. pi. i, 712 (1821). ZENK. DIETR. Muse, thuring. Fasc. 2, n. 49 (1822). NEES 

 HORNSCH. Bry. germ, i, 70, t. 7. f. 18 (1823). HUEBEN. Bry. germ. 15 (1833). MACK. 

 Fl. hibern. P. II, 8 (1836). BR. SCHIMP. Bry. eur. Fasc. i, p. 10, t. 4 (1837), et ^ asc - 43 



