302 CARDOT AND THERIOT C34 2 ] 



smaller dimensions, its creeping and radiculose stems and its much 



narrower leaves. 



Hypnum dieckii Ren. & Card, in Bot. Centralbl., 1890, no. 51. Hed- 



wigia, 1893, P- 2 7 8 - 



From Orca (Trelease, 1960); Sitka (Trelease, 1744). New to 

 Alaska. 

 Hypnum hamulosum Br. eur., fasc. 57-61, p. 20, pi. 10. 



From Yakutat Bay (Trelease, 2025) ; Port Clarence (Trelease, 

 1968) ; Hall Island (Trelease, 2032). 



The alar cells are here a little more numerous than on the European 

 type ; but we have specimens from the Pyrenees that are identical in this 

 respect with those from Alaska. 

 Hypnum canadense Kindb. in Bull. Torr. Bot. Club, xvn, p. 280. 



Mac. Cat. Can. pi., vi, Musci, p. 236. 



From Orca(Setchell, 1201) ; Prince of Wales Island (J.M.Macoun). 



This species differs from H. imponens Hedw. by the auricles of the 

 leaves being formed of one or two large outer hyaline cells, the inner 

 cells being brown or yellowish. 

 Hypnum vaucheri Lesq. Cat. mouss. suisses, p. 48. Sch. Syn., ed. 



i, p. 697. 



From Bailey Harbor (U. S. S. Albatross Exped.) . 



Although the areolation is a little closer than usual, the alar cells, 

 much more numerous than in H. cupressiforme, do not seem to leave 

 any doubt on the determination of this moss. 



Section HYGROHYPNUM Lindb. 

 Hypnum ochraceum Turn, in Wils. Bryol. brit., p. 400. 



From Disenchantment Bay (Trelease, 1820) ; Kodiak (Trelease, 

 2195)- 

 Hypnum ochraceum flaccidum Milde, Bryol. sil., p. 376. 



From Disenchantment Bay (Trelease, 1828) ; Sitka (Trelease, 2366). 



Hypnum subeugyrium occidentale var. nov. 

 Hypnum subeugyrium REN. & CARD, in Bot. Gaz., xxn, p. 52. 



A forma typica Terras Novae differt foliis pro more latioribus, mol- 

 lioribus, magis concavis, apice integris, cellulisque alaribus paulo 

 majoribus, auriculas interdum subinflatas sed semper multo minus 

 distinctas quam in H. eugyrio efformantibus. Costa interdum sub- 

 simplex. 



From Hidden Glacier Inlet, Yakutat Bay (Trelease, 1784) ; Muir 

 Glacier (Trelease, 1805). 



