366 EVANS [312] 



55. Scapania irrigua (Nees) Dumort. 



Port Clarence (B. & C. 673). New to Alaska. 

 $6. Scapania umbrosa (Schrad.) Dumort. 



Sitka (Setchell 1258, in part) ; Mt. Verstovia (C. & K. 927, in 

 part); Juneau (B. & C. 691, in part, Setchell 1236); Orca (T. 

 1477, Setchell 1207, in part); Columbia Fiord (C. & K. 1398); 

 Yakutat (T., B. & C. mixed with 689). New to Alaska. 



57. Scapania curta (Mart.) Dumort. 



Yakutat Bay (B. & C. 645, in part). In the ' Synopsis,' this spe- 

 cies is quoted from Unalaska Island. 



Scapania nemorosa is included in Rothrock's and Stephani's lists, 

 but does not occur in the Harriman collections. 



58. Radula bolanderi Gottsche. 



Hot Spring (T. mixed with 1471); Sitka (Setchell 1266). Also 

 collected by Townsend at Sitka. Radula arctica Steph., collected 

 at Chlowak and at Chilcoot by the Drs. Krause, is doubtfully referred 

 to this species by Dr. Howe.^ 



59. Radula complanata (L.) Dumort. 



Sitka (T. 1501, in part). Radula /^ra?/^ Staph., from Chilcoot, 

 is referred by Dr. Howe' to this species, which has also been collected 

 by Funston near Yakutat. 



60. Porella rivularis (Nees) Trevis. 



Sitka (T. 1465); Yakutat (Saunders 1466). Also collected by 

 Miss Cooley, according to Dr. Howe.* 



61. Porella navicularis (Lehm. & Lindb.) Lindb. 



Hot Spring (T. 147 1, in part, also mixed with 1525). This spe- 

 cies is noted in the ' Synopsis ' as occurring near Sitka. Kellogg col- 

 lected it also in the same locality, and it has been found at Chilcoot 

 by the Krause brothers. 



Porella flatyphylla (L.) Lindb. has been reported from Unalaska 

 (Syn. Hep.) and from Guissen (Krause). It does not occur in the 

 present collection. 



62. FruUania nisquallensis Sulliv. 



Cape Fox (T. 1532); New Metlakahtla (T. 1523); Sitka, (Setch- 

 ell, 1252) ; Hot Spring (T. 1471, in part, 1525) ; Wrangell (C. & K. 



'Mem. Torr. Bot. Club, 7: 159. 1899 (footnote). 



2L. c. 160. 



'Bull. Torr. Bot. Club, 24: 520. 1897. 



