81 S Vnu'ersity of CaUfornut Publirdiions. [botanv 



lliilosdcrloii furiroln. Unalaska and Sitka, Alaska. Rupncld 

 (1851, pp. 289, 293) ; Popof Island, Prince William Sound, Sitka, 

 and Annette Island, Alaska, and Victoria, B. C, Saunders 

 (1901, p. 436). 



Halosaccioii fiicicold t'. rodicans. Unalaska, Alaska, Biipredif 

 (1851, p. 293). 



Halosaccionfuricobi f . dpcapitafioii. Kadiak Island and Sitka, 

 Alaska, Rnprecld (1851, p. 293). 



Fmus saccatns. Nootka Sound, B. C, THrner (1819. p. 104) . 



Halosaccion Hydrophora. Puget Sound, Baileij and Hart'ei/ 

 (1862, p. 162); Escjuinialt, B. C, and Strait of Juan de Fuca, 

 Harveij (1862, p. 162). 



Halosaccion firmuni. St. Lawrence Island, Alaska, Kjcllinan 

 (1889, p. 29); Cook Inlet, Alaska, Sannders (1901, p. 436). 



Dumonfia fifcicoja. Sitka, Alaska, Posfels and Ruprerld (1840, 

 p. 19). 



])u)uontia decapiiaia. Sitka, Alaska, Posfels and Pnpjrerld 

 (1840, p. 19). 



The specimens examined by us may be reported as follows : — 

 On rocks and algap in the litoral zone. Agattu Island, Alaska , 

 Toivnsend. No. 5758!; west shore of Amaknak Island, Bay of 

 Unalaska, Alaska, ir.^.*S'. and A.A.L., No. 3266!; Bay of 

 Unalaska, Alaska, ir.A.»S'. and A.A.L., Nos 4051!, 4061!; 

 Harvester Island, Uyak Bay, Kadiak Island, Alaska, lU.A.iS^. 

 and A. A. L., No. 5115! ; St. Paul, Kadiak Island, Alaska, ]r.A.*S. 

 and A.A.L., No. 5147! ; Yakutat Bay, Alaska, Kev. Albin John- 

 son. No. 5704!; Port Renfrew, B. C, TUden, No. 511!, under 

 H.fi(cic(da, Bidler and PoUeij,Nos. 10, 105; west coast of Whid- 

 bey Island, Wash., N.L.G., Nos. 4!, 285!; San Juan Island, 

 Wash., N.L.G., 108!, Tihhn, No. 242!, under Adenocijstis Les- 

 son It . 



Halosaccion glandifornic, in our extended sense, ranges from 

 the Sea of Ochotsk to the east and scnitheast along- the coasts of 

 North America down to tlie northwestern coast of Mexico. The 

 typical form is a large finger-shaped sack filled, when fresh, with 

 water. There are microscopical openings at the ti]) or near it so 

 that when one comj^resses the sack below, the water si)urts out 



