302 CARDOT AND THERIOT [342] 



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. 278. 



From Orca (Trelease, i960); Sitka (Trelease, 1744). New to 

 Alaska. 



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



From Yakutat Bay (Trelease, 2025) ; Fort 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. 

 HjTpnum canadense KIndb. In Bull. Torr. Bot. Club, xvii, 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 areolatlon 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) ; Kodlak (Trelease, 



2195)- 



Hypnum ochraceum flaccidum Mllde, Bryol. sll., p. 376. 



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



Hypnum subeugyrium occidentale var. nov. 

 Hypnum subeugyrium Ren. & Card, in Bot. Gaz., xxii, p. 52. 



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

 llorlbus, magis concavis, aplce Integrls, cellulisque alarlbus paulo 

 majorlbus, auriculas interdum subinflatas sed semper multo minus 

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

 simplex. 



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

 Glacier (Trelease, 1805). 



