254 CARDOT AND THERIOT [^94] 



Subclass ANPRE^ALES. 

 Family ANDRE^ACE-ffi. 



Andreaea petrophila Ehrh. in Hann. Mag., 1784, p. 140, and in Beitr. 



I, p. 192. 



From Orca (Trelease, 2245), Hall Island (Trelease, 2127), St. 

 Matthew Island (Trelease, 2168, 2530). New to Alaska. 



Andreaea petrophila sylvicola Bryol. eur., vi, p. 13, pi. 2, e. 

 From Hall Island (Trelease, 2527). New to Alaska. 



Andreaea parvifolia C. Mull, in Flora, 1887, p. 219. 

 From upper part of Dyea valley (Krause brothers) . 



Andreaea papulosa Lindb. in Oefv. af Vet. Ak. Forh., xxiii, p. 557. 

 From St. Lawrence Bay, and Plover Bay, Siberia (W. H. Dall). 



Subclass BRYALES. 



Family WEISIACE^. 



Gymnostomum curvirostre scabrum Lindb. Muse, scand., p. 22. 

 From Port Wells (Trelease, 1834). New to Alaska. 



Ancectangium compactum Schw. Suppl. I, i, p. 36, pi. xi. 



From White Pass, 1,900 feet (Trelease, 2309) ; Orca (Trelease, 

 2259, 2260 in part). 



Ancectangium compactum alaskanum var. nov. 



Habitu robustiore, foliis madore magis patulis, longioribus latiori- 

 busque, cellulis majoribus (mediis 6—9 [j. latis, loco 4-6) reteque 

 magis opaco distinctum. 



From Port Wells (Trelease, 1832). 



Dicranoweisia crispula Lindb. in Oefv. af Vet. Ak. Forh., 1864, p. 



230. 



From White Pass, 3,000 feet (Trelease, 2492) ; Port Clarence 

 (Trelease, 2119); Hall Island (Trelease, 2129, 2131, 2134); St. 

 Matthew Island (Trelease, 2153, 2154) ; Attu Island (J. M. Macoun). 



Most of these specimens have the inner perichaetial bracts shortly 

 acuminate, which relates them to D. contermina Ren. & Card. (Z>. 

 roellii Kindb.), but the alar cells are usually more distinct than on the 

 moss from Oi'egon and Idaho. Moreover, the comparison with nuiner- 

 ous specimens from different regions of Europe and North America 

 proves that the characters on which D, contermina has been established 



