HYPNACE^.] 38 [Amblystegium. 



nerve weak, reaching middle, upper cells narrowly hexagono-rhomboid, obtuse 

 at end, 3-5 times longer than broad, those at base large, yellow, hexagono- 

 rectangular. 



Sw.-Hypnum sulcatum SCHIMP. Synops. 699, 2 ed. 7 44- HOBK. Synops. 170. HUSN. Muse. 



gall. 397, t. 114 



H. subsulcalum SCHP. Synops. 698. DE NOT. Epilogo 152 (a more slender form). 

 Hypnum Breadalbanense F. B. WHITE in Tr. Bot. Soc. Edin. ix, 198, t. 3 (1868). HOBK. 



Synops. 172 (1873). 



Ambl. glancum Var. sulcatum LINDB. Muse, scand. 32. 

 H. commutatum * sulcatum Dix. JAMES. Stud. Handb. 468. 



HAD. Wet alpine rocks, rare. Ben Lawers (Dr. White 1865) ! ! 



This appears to be an ill -developed variety of the common plant, and the 

 cauline leaves differ considerably in width and length of the acumen. It has 

 not been found in fruit 



20. AMBLYSTEGIUM DECIPIENS De Not. 



Dioicous; pinnate with short crowded branches and slender 

 paraphyllia. Stem leaves subsquarrose, cordate-deltoid, acuminate, 

 narrowed at base, papillose at back. (T. XCI, C.) 



SYN. Hypnum rigidulum FERG. in litt. (1865). 



Thuidium decipiens DE NOT. Epil. 233 (1869). HOBK. Synops. 146 (1873). SCHP. Synops. 



2 ed. 612 (1876). PHILIB. in Rev. bryol. 1884, p. 3. Dix. JAMES. Stud. Handb. 383 



(1896). 

 Hypnum Notarisii BOUL. Fl. crypt, de 1'Est 597 (1872). HUSN. Muse. gall. 397, t. 114 



(1894) 

 Amblyslsgium glaucum Var. decipiens LINDB. Muse, scund. 32 (1879). 



Dioicous ; in loose green tufts, with reddish radicles, and short 

 subulate or forked paraphyllia. Stems pinnate, the branches close, 

 simple, short slender and of equal length. Cauline leaves subsquarrose, 

 broadly cordate-deltoid, shortly cuspidate, from a narrow subsaccate 

 decurrent base, strongly plicate, margin reflexed below, denticulate at 

 base and apex, intermixed with these, but fewer, are thinner broadly 

 ovate leaves, which suddenly end in a short apiculus ; nerve strong, 

 vanishing below apex ; upper cells linear-rhomboid and vermicular, with 

 conical papillae on the back, at angles lax, hexagonal ; branch-leaves 

 small falcato-secund, ovate acuminate, nerved beyond middle. Perich. 

 bracts membranous, pale, appressed, outer from a slightly plicate oblong 



