EXI'LANATION OP PliATES. 249 



Plate llR. 



VI. 121. Portion of same, showing arrangement of the pustules, 

 X slightly. 



„ 123. Spores of banded smut {Ustilago grammicd) x 320. 



„ 123. Inflorescence of Scabious with Floret smut (Ustilago 



„ 124. Horet occupied by the smut. 



„ 125. Spores of Moret smut (?7«fe7fl^o /?o«ca/or»JK) X 320. 



„ 126. Sedge (Cores rjipanfl) attacked by Olive smut (J7s<j7«^o 



olwacea). 

 „ 127. Spores of Olive smut {Ustilago olivacea) x 460. 

 „ 128. Reed stem with smut [Ustilago tpphoides). 

 „ 129. Spores of Reed smut (Ustilago tmhoides) x 330. 

 „ 130. Leaf of Pferiwinkle with its rust (Trichohasis mnca:). 

 „ 131. Spores of Periwinkle rust (THehobasis vinca) x 330. 

 ,, 133. Spores of Periwinkle brand (Puccinia mnca) x 320. 

 VII. 133. Leaf of Mercury with its rust (Uredo confluens). 

 „ 134. Spores of Mercury rust (Uredo confluens) x 330. 

 „ 135. Leaf of Enchanter's Nightshade with its rust. 

 „ 136. Spores of Nightshade rust (Uredo Cireate) x 330. 

 „ 137. Leaf of Sorrel with Twin-faced rust (Uredo bifrons). 

 „ 138. Pustule of Twin-faced rust seated on a coloured spot 



X sHghtly. 

 „ 139. Spores of the same rust x 320. 



„ \4Q. Leaf of Wheat with Corn rust (Trfc^oiast'sraij^o-wro). 

 „ 141. Pustules of the same rust x slightly. 

 „ 143. Spores of Round corn rust x 330. 



143. Tuft of spores of Elongated com rust (Trichobasis 



linearis) magnified. 



144. Spores of Elongated com rust (Trichobasis linearis) 



x330. 

 „ 145. Leaf of Groundsel with its rust (Trichobasis Senedonis). 

 „ 146. Spores of Groundsel rust (Trichobasis Senedonis) x 320. 

 „ 147. Wild Rose with Golden rust (Uromyces Ulmaria). 

 „ 148. Spores of Golden rust x 320. 

 „ 149. Leaf of Tetch with Long-stemmed mst (Uromyces 



150. Spores of the same x 460. 



151. Leaf of Common thistle with Sweet-smelling rast (Tri- 



chobasis saaveolens). 

 153. Spores of Sweet rust (Trichobasis suaveolens) x 320. 



153. Spermogone of Sweet rust, from common thistle, 



X highly (De Bary). 



154. Clover leaf with Short-stemmed rust (Uromyces apic-u- 



155. Spores of Short-stemmed rust x 320. 



156. Leaf of Pilewort with its rust (Uromyces Ficariee). 



157. Spores of PUewovt »ust (Uromyces Ficaria) x 330. 



