Witson: NortH AMERICAN PERONOSPORALES 81 
= 
Sra, 
Cor 
dae OECD 
NOEL ecaeect 
Oéspores of Albugo. (All X 500.) 
om 
* A. tropica, from Peperomia pellucida, Ecuador, ex Herb. Lagerheim. 
A, Lpomoeae-panduranae, from /pomoea pandurata, in Economic Fungi 337- 
A. Lepigoni, from Lepigonum medium, in Fungi Europaei #83. 
A. Swertiae, from Swertia connata, in Fungi Rossiae Exsiccati 307. 
A i. 
A. Bliti, from Amaranthus hybridus, in Economic Fungi te 
A. platensis, from Boerhaavia decumbens, in Fungi Columbiani 1605. a 
A. occidentalis, from Blitum capitatum, type specimen, Underwood & ‘4 
POI AMP w& 
me A. PF ortulacae, from Portulaca oleracea, in West American Fungi 37. 
