248 



MICEOSCOPIC FUNGI. 



P]ate fig. 



V. 87. Spores of Foetid smut in germination x highly. 

 „ 88. Sporidia of the first order borne on the germinating 



tubes of the foetid smut {Tilletia caries) x highly. 

 „ 89. Sporidia of the first order, showing their transverse 

 connection, x highly. 

 90. Sporidia of the first order, producing sporidia of the 

 second order, x highly. 

 „ 91. Sporidium of the second order in active germination. 

 „ 92. Deformed flower-head of Goatsbeard infested with 



smut (Jlstilago reeepiaculorum). 

 „ 93. !Floret removed, sprinkled with spores of the smut, 



enlarged. 

 „ 94. Spores of Goatsbeard smut {UsHlago receptaailorum) 



x460. 

 „ 95. The same in active germination x 460 {Titlasne). 

 „ 96. Beaksedge {Rhyncospora alba) with its smut (Ustilago 



Moniagnei). 

 „ 97. Spores of TJstilago Moniagnei x 460. 

 „ 98. Ear of Barley infected with smut {Ustilago segetum). 

 „ 99. Spores of Corn-smut (Ustilago segetum) x 460. 

 „ 100. Grass with its smut (Ustilago hypodytes). 

 „ 101. Spores of Grass-smut (Ustilago hmodytes). 

 „ 102. Flowers of Bladder-campion with anther-smut (Usti- 



„ 103. Anther distorted by smut (Ustilago antherarum). 

 „ 104. Spores of Anther smut (Ustilago antheranm) x 460. 

 „ 105. Portion of leaf of water grass with Elongated smut 



(Ustilago longissimd). 

 „ 106. Pustule of same, enlarged. 

 „ 107. Spores of Elongated smut (Ustilago longissima) x very 



highly. 

 „ 108. Spores of Maize smut (Ustilago maydis) x 460. 

 Vl. 109. Sedge (Carex recurva) with Sedge smut (Ustilago urceo- 



lorum). 

 „ 110. Single fruit covered with the smut. 

 „ 111. Spores of Sedge smut (Ustilago ureeolorum) x 460. 

 „ 112. Flower of Polygonum persicaria distorted by Utricle 



amnt (Ustilago utrioulosa). 

 „ 113. Section of the same (Titlasne). 

 „ 114. Inflorescence of Polygonum hydropiper with Utricle 



smut (Ustilago utriculosa). 

 „ 115. Section of infected flower of Polygonum hydropiper. 

 ,, 116. Spores of Utricle smut (Ustilago utriculosa) x4o0. 

 „ 117. Leaf of Cocksfoot grass with smut (Ustilago Salveii). 

 ., 118. Portion of leaf, sliowing pustules, x slightly. 

 ., 119. Spores of Cocksfoot smut (Ustilago Salveii) x 320. 

 „ 120. G.xa&i, stem ■^'Ah'Sa.TiAe.AsmxA (Ustilago grammica). 



