FUNGI 20 



Puccinia saxifragae Schlechtendal. 

 SACCARDO, Sylloge Fungorum, is 1 : 641. 

 Alaska. On Saxifraga. 



Puccinia prenanthis (Persoon) FuckeL* 



Sitka (Trelease, 623) ; Kadiak (Trelease, 622, 6220). On Pre- 

 nanthes alata. 



The secidial and teleutosporic stages. 



Puccinia fergussoni Berkeley & Broome.* 

 Kadiak (Trelease, 625, on Viola blanda). 



Puccinia heucherae (Schweinitz) Dietel.* 



Juneau (Setchell, 1251, on Heuchera glabra ; Trelease, 615, on 

 Saxifraga nelsoniana) ; Disenchantment Bay (Funston, on Tellima 

 grandijlora, 83). 



Puccinia tiarellae Berkeley & Curtis. 1 



Head of Russell Fiord (Coville & Kearney, 9580;, on Heuchera 

 glabra}. 



Puccinia thlaspeos Schubert.* 



Disenchantment Bay (Coville & Kearney, 1112); Kukak Bay 

 (Saunders, 631). On Arabis ambigua. 



Puccinia porphyrogenita Curtis.* 



Douglas Island (Trelease, 616) ; Sitka (Setchell, 1270). OnCornus 

 canadensis. Yes Bay (Howell, on Cornus suecica, 1630). 



Puccinia asteris Duby.* 



Kadiak (Trelease, 6240, on Aster foliaceus) . 

 Puccinia valerianae Carest.* 



St. Paul Island, Bering Sea (Brewer, 637, on Valeriana capitata). 



Uredo and teleutospores are present. 



Puccinia geranii-silvatici Karsten.* 



Kukak Bay (Saunders, 6360) ; Popof Island (Saunders, 635). On 

 leaves of Geranium erianthum. 



Globose and obovoid mesospores, and 3-celled teleutospores, occur 

 occasionally with the normal 2-celled spores. See further ^Ectdtum 

 molascens. 



Puccinia procera D. & H. 1 



Revillagigedo Island (Howell, on Elymus dahuricus, 1723 ?). 

 1 Determined by Professor J. C. Arthur. 



