V 7 111 THE MICROSCOPE. 



FIG. PAGE. 



67. Tabular prismatic raphides from outer coat of onion 23 



68. Circular crystalline mass from a cactus 24 



69. Simple vegetable hair from Jeaf of a common 



grass 25 



70. Rudimentary hair from flower of pansy 25 



71. Simple club-shaped hair from throat of flower of ' 



pansy 25 



72. Club-shaped hair from leaf of dock 25 



73. Hair from throat of pansy 25 



74. Hair formed of two cells from flower of white dead- 



nettle 25 



75. Many-jointed tapering hair with nucleus from 



common groundsel 25 



76. Beaded hair of sow-thistle 25 



77- Glandular hair from leaf of common tobacco 26 



78. Hair from leaf of garden chrysanthemum 25 



79. Stellate hairs from Capsella bursa pastoris shep- 



herd's purse 26 



80. Secondary deposit outside hair of garden verbena . . 26 



81. Base of a hair on a mass of cellular tissue 26 



82. A sting from common nettle 26 



83. Portion of a leaf of Vallisneria 27 



PLATE IV. 



84. Palmetto, cruenta gory dew 32 



85. Yeast plant 32 



86. Portions of vinegar plant 32 



87. So-called cholera fungus obtained from the air .... 32 



88. Red dust of wheat 33 



89. Puccinia graminis mildew 33 



