108 SALMON: SUPPLEMENTARY 
Syringa affected stood in close proximity to a bush of Lowicera 
Tatarica attached by the same fungus, so that it would appear that 
we have here a case of a species of mildew passing directly from 
one host-plant to another. 
M. aLnr pivaricata (Wallr.) Salm. (Monograph, p. 146) 
Exsicc, add: Krieger, Fung. saxon. 1223 (in herb. Jaczewski). 
M. ALNI EXTENSA (Cooke & Peck) Salm. (Monograph, p. ! 52) 
Exsicc. add: Shear, New York Fungi, 146 (sub M. quercina 
(Schw.) Burr, (in herb. Jaczewski). : ; 
Flosts, add: Quercus cinerea. 
Distrib. add: North America; United States, Florida. 
The examples from Lake City, Florida (coll. H. H. Hume), 
are interesting, as occasionally showing a pale brown color 
towards the base of the appendages. 
M. aLni LupENs Salm. (Monograph, p. 154) 
Distrib. add: North America; U. S., Helena, Montana (F. D. 
Kelsey). 
Kelsey has recorded (Journ. Mycol. 5: 83. 1889), the above 
Montana plant on Vicia Americana linearis as “ Erysiphe cm 
munis (Wallr.) Fr.’’ Specimens sent by the author, however, show 
that the fungus belongs to the present variety of JZ. a/ni. 
M. GROSSULARIAE (Wallr.) Lév. (Monograph, p. 157) 
Syn. add: M. sambucicola P. Henn., Engler’s Bot. Jahrb. 29: 
148. Ig00. 
Exsicc. add: Shear, New York Fungi, 145 (in herb. Jaczewski)- | 
Distrib. add: New Zealand (36) (56). 
In a “ Leaflet for Gardeners,’ issued by the New 
Board of Agriculture (56) the present species, which sometime 
seriously attacks cultivated gooseberry bushes, is recorded from 
New Zealand. Bordeaux mixture, or sulphide of potassium ( 
Ibs. to 50 gallons of water) is here recommended as a fungicie® 
Zealand 
ky? . 
“MVM. sambucicola P. Henn.” on Sambucus racemosa from Tow a 
Japan, is quite similar to American examples of M. grossulariae 
. : e€ 
Sambucus racemosa and S. Canadensis (see “ Erysiphace 
Japan” (68, p. 439). 
