i62 
MILDEWS, RUSTS AND SMUTS 
TROLLIUS 
Puccinia trollii, Karst. 
Teleutospores. Sori on the under surface of the leaves, 
or on the leafstalks, usually forming one large patch ; 
spores oblong or elliptical, tip with a broad wart, smooth, 
yellow or yellowish-brown, 28—52 X 16—25 p. 
On leaves of Trollius europaeiis. This is not a British 
plant, but is commonly cultivated. Germany, Switzerland, 
Italy, Norway and Lapland. 
POLYGONUM 
Puccinia mammillata, Schroet. 
Uredospores. Sori minute, scattered, on the under sur¬ 
face of the leaf, ochraceous ; spores subglobose, aculeate, 
yellowish, 22—26 x 20—22 p. 
Teleutospores. Sori on brown spots ; spores ovate or 
oblong, tip not thickened, with a pale wart, chestnut- 
brown, 28—38 X 16—21 p. 
On Polygonum historta and P. vivipara. Germany, 
Llungary, Sweden, and Russia. 
GALANTHUS 
Puccinia galanthi, Unger. 
Teleutospores. Sori in groups or rings on pale spots, 
on both surfaces of the leaf ; spores elliptical or oblong, 
tip not thickened, plicato-striate, brown, 30—48 X 20— 
27 p. 
On Snowdrop— Galanthus nivalis. Austria and Hun¬ 
gary. 
ALLIUM 
Puccinia allii, Rudolphi. 
Uredosporse. Sori scattered or in groups, on both sides 
of the leaf ; spores minutely echinulate, yellow, 22—33 
X 18—25 p. 
Teleutospores. Spores variable in shape and size, oblong 
or club-shaped, tip thickened, slightly constricted, base 
often narrowed, smooth, brown, 35—80 X 17—30 p, 
mesospores absent, paraphyses very numerous. 
On Allium schoenoprasum, A. carinatum, A. sativum, 
and other species. Europe generally. 
Distinguished from Puccinia porri in the flat, compact, 
hard, black sori of teleutospores, which remain covered by 
the epidermis. 
