DESCRIPTION OF PLATES. X1L! 

 FIG, PAGE 



80. Beaded hair of sow-thistle 41 



81. Glandular hair from leaf of common tobacco 41 



82. Hair from leaf of garden chrysanthemum 41 



83. Eosette-shaped glandular hair from flower of verbena 41 



84. Stellate hairs from the hollyhock (Althaea rosea).. 41 



85. a. Stellate hair from leaf of lavender . . . 41 



85, b. Hair from leaf of garden verbena, with warty 



surface 41 



86. Hair from leaf of white poplar (Populus alba) .... 41 



87. Base of a hair on a mass of cellular tissue 41 



88, a. A sting from common nettle 42 



88, &. Portion of a leaf of Valisneria 42 



PLATE IV. to face page 48. 



89. Palmella cruenta gory dew 48 



90. Yeast plant 48 



91 . Portions of vinegar plant . . . , , 48 



92. So-called cholera fungus obtained from the air. ... 48 



93. Eed rust of wheat 49 



94. Puccinia graminis mildew 49 



95. Penidllium glaucum common mould 49 



96. Botrytit from mouldy grape 49 



97. Fungus from mouldy bread (Mucor Mucedo) .... 49 



98. Fungus from human ear 49 



99. Fungus from leaf of bramble (Phragmidium Iv2- 



losum) 49 



100. Vine blight (Oidium Fuckeri) 50 



101. Potato blight (Botrytis wfestans) - * . . . 50 



102. a. Pea blight (Erysiphe Pisi) 50 



6. Asci and sporidia of pea blight 50 



103. Fungus from a decayed Spanish nut 50 



