g. 74.— Rose Blight, {Puccinia Tosa.',—GRTi- 
ville) found only on Rose leaves. The seed- 
vessel with from four to seven cells, pointed, and 
a foot-stalk thickest at the base. 
Fig. 73. — Red RciST of Corn, [Pucciaia graminis, — Persoon) found on all the grasses, 
hilt never on other plants or trees. The seed vessel with two cells, the upper the shortest, 
on a thread-shaped foot-stalk. Yellowisli.black or brown. 
a A piece of Wheat-straw, with the Fungus growing upon it. 
b The same, magnified. 
c A small portion of Straw, magnified. 
(/ A transverse section of a portion of the sheath of the Straw, highly 
magnified. 
e An upright section uf the Straw, highly magnified. 
/ A tra;isversc section of the Straw, highly nijgnilied. 
fl The Fungus, highly magnified. 
o. .IK WITT dd. et sc. 
