FUNGI 41 



Only the uredo stage, Uredo aspidiotus Pk., was observed. 

 Uromyces lapponicus Lagerheim. l 



Unga Island (Saunders, 633, 6330, on Astragalus}. 

 Uromyces erythronii (De Candolle) Passerini.* 



Kadiak (Trelease, 626) ; Kukak Bay (Saunders, 627). On Fritil- 

 laria kamtschatcensis. 



Family LYCOPERDACEJB. 

 Lycoperdon piriforme Schaeffer.* 



Cape Fox (Trelease, 607). 

 Lycoperdon sp.* 



Muir Glacier (Trelease, 605). 



A minute species, apparently of the bovistoid group, but immature. 

 Lycoperdon saccatum Vahl.* 



Virgin Bay (Kincaid). 

 Lycoperdon sp.* 



Port Clarence (Trelease, 604). 



A species apparently of the proteid group now frequently re- 

 ferred to the genus Calvatia but too immature for naming. 



Family NIDULARIACE^E. 

 Nidularia Candida Peck.f 



Farragut Bay (Trelease, 603) ; Sitka (Trelease, 599); Orca (Tre- 

 lease, 602); Yakutat (Trelease, 600). Also collected on Lowe 

 Inlet, B. C. (Trelease, 601), and occurs from Alaska without further 

 designation of locality in the National Herbarium (Evans, 139). 



The specimens indicate considerable variation in the species. In 

 some the peridium is much larger than in others, it being 12 mm. long 

 and 10 mm. broad at the mouth in the large specimens. The tomen- 

 tum of the external surface varies in color from white to gray, and the 

 inner surface from pure white to dingy white, often becoming brown 

 toward the base of the cup ; in the smaller cups it is glabrous, but 

 in the larger it is often floccose or downy near the margin. The 

 peridiola, which are about i mm. broad, also vary much in color. 

 They are sometimes white on one side and brown on the other, or 

 white with a brown margin, but they are usually brown on both sides ; 

 their surfaces may be even or wrinkled, and sometimes, as in the 



1 Determined by Professor J. C. Arthur. 



