POLYTRICHACE^;.] 57 \Polytrichum. 



(1806); Mant. muse. 195 (1819), et Bry. univ. ii, 139 (1827). MILDE Bry. Siles. 253 

 (1869). HOBK. Syn. Br. m. 104 (1873). HUSN. Mouss. nord-ouest 137 (1873). SCHIMP. 

 Syn. Muse. 448 (1860), et 2 ed. 544 (1876). 



Pol. alpcstre HOPPE Bot. Tasch. 198 (1801). BRID. Sp. muse, I, 50 (1806) ; Mant. muse. 

 195 (1819) ; Bry. univ. ii, 140 (1827). SCHWAEGR. Suppl. I, P. 2, 310 (1816). SCHULTZ 

 Fl. Starg. Suppl. 88 (1819). WALLR. Fl. crypt, germ, i, 199 (1831). HUEBEN. Muse. 

 germ. 533 (1833). 



Pol. junipcrinum var. WEB. MOHR Bot. Tasch., 220 (1807). Var. A. strictum WALLM. 

 in LILJEBL. Svensk Fl. 3 ed. 527 (1816). Var. (3. gracilius WAHLEN. Fl. lapp. 344 

 (1812). Var. ft. strictum HARTM. Skand. Fl. 404 (1820). C. MUELL Syn. muse, i, 218 

 (1849). Var. ft. strictum et y. alpestre BR. SCHIMP. Br. Eur. iv, Mon. 12, t. 16 (1844). 

 DE NOT. Epil. Briol. Ital. 334 (1869). WILS. BERK.,&C. Var. (3. alpestre HARTM. op. 

 cit. 5 ed. 361 (1849). *P. strictum LINDB. in Ofv. W. Ak. Forh. xxiii, 548 (1866), et 

 NOT. ur Sallsk. Fn. et Fl. fenn. forh. ix, 123 (1867). 



Dioicous ; resembling P. juniperinum, pale glaucous green, slender, 

 densely caespitose, branched. Stems 3 12 in. high, interwoven by 

 dense dirty white tomentum. Leaves erecto-patent, straight, imbricated 

 when dry, shorter and narrower; lamellae about 32, less developed. 

 Capsule small, cubic, acutely angular, rufous orange. Calyptra 

 brownish or whitish. 

 HAS. Boggy heaths. Less frequent. Fr. 5 6. 



Near Taymouth on tops of walls (Menzies). Forfar (Don 1802). Ben Lawers and Glen 

 Callater (Hunt) ! ! Ben Vracky, Perth (Boswell) ! ! Herringfleet, Suffolk (Turner 1806). 

 Scawfell and Witherslack (Boswell). Micklefell, Yorks. (Baker) ! ! Todmorden and 

 Cliviger (Nowell). Knutsford moor and Wybunbury bog (Wilson). 



Much as this differs in appearance from P. juniperinum, I confess to be 

 more in accord with the authors who regarded it as a variety of that species, 

 for it will be seen there are no structual differences between them. Lindberg 

 calls it a subspecies of P. junipeyinum, to which it stands in the same relation 

 as P. Swartzii to P. commune. 



ii. POLYTRICHTJM COMMUNE L. 



Dioicous ; very tall, simple. Leaves very long, patent recurved, 

 linear-subulate, plane, spinuloso-serrate, scabrous at back. Capsule 

 tetraedral, with a discoid hypophysis ; lid depresso-convex, conico- 

 rostellate. (T. IX.) 



SYN. Polytrichum vulgareet majus, capsula quadrangulari DILL. Cat. Giss. 221, App. 85 (1719), 

 et in RAY Synops. 3 ed. 90, i (1724). 



Polyt. quadrangulare vulgare, yucca foliis serratis DILL. Hist. muse. 420, i, T. 54, fig. i 

 (1741), et Herb. 



Pol. commune a. L. Sp. PI. ii, 1109, n. i (1753) ; Syst. Nat. ii, 700 ; Fl. suec. n, 966. HUDS. 

 Fl. angl. 399 (1762). SCHREB. Spic. Fl. Lips. 73 (1771). NECK. Meth. muse. 124 



(1771). WITH. Bot. arr. Br. veg. 662 (1776). LIGHTF. Fl. Scot, ii, 698 (1777). RELH. 

 Fl. Cant. 6 18. WILLD. Pr. Fl. Berol. n. 00 18. SIBTH. Fl. O 



(179 

 Linn. Soc. iv, 74 (1798) ; Roth. Fl. germ, i, 456 (1788), et iii, 346. SWARTZ Muse. suec. 



Cant. 396 (1785). WILLD. Pr. Fl. Berol. n. 900 (1787). SIBTH. Fl. Oxon. 305 

 (1794). ABBOT Fl. bedf. 232 (1798). HOFFM. Deutsch. Fl. ii, 23 (1796). MENZ. Tr. 



75 (1798). BRID. Muse. rec. ii, P. I, 81 (1792) ; Sp. muse. I, 54 (1806) ; Mant. muse. 

 197(1819); Bry. univ, ii, 148 (1827). ROHL. Moosg. Deutsch. 170 (1800); Deutsch. 

 Fl. iii, 58 (1813) ; Ann. Wett. ges. iii, 219 (1814). SMITH Fl. Brit, iii, 1372 (1804) ; 

 Eng. Bot. 1197. TURN. Muse. Hib. 80 (1804). P. BEAUV. Prodr. 85 (1805). LAM. 

 DEC. Fl. franc. 3 ed. ii, 487 (1805). SCHULTZ Fl. starg. 285 (1806). WAHLENB. Fl. 

 lapp. 344 (1812) ; Fl. carp. 348 (1814). SCHWAEGR. Suppl. i, P. 2, 314 (1816). HOOK. 



