LIST OF ILLUSTRATIONS. * 



XI 





PLATE 



FIG 



PAGE 



Schizonema G-rerillei ... 



IX 



40 



71 



Micromegp, helminthosum 



>> 



41 



lb. 



Colletonema neglectum 



55 



42 



ib. 



Biddulphia pulcliella 



X 



46 



79 



Triceratium castellatum . 



55 



47 



ib. 



Pleurosigma formosum 



XT 



49 



87 



Penium digitus 



» 



50 



ib. 



„ navicula .... 



55 



51 



ib. 



Docidium clavatum . ... 



55 



52 



ib. 



„ ,, end of frond 



55 



53 



ib. 



Staurastram dejectum 



XII 



54 



95 



„ gracile ? . . 



„ 



55 



ib. 



,, spongiosum . 



55 



56 



ib. 



„ alternans 



„ 



57 



95 



Euastrum didelta 



55 



58 



ib. 



Hyalotheca dissiliens 



XIII 



59 



103 



Spirotsenia condensata . • . 



55 



60 



ib. 



Cosmariuni botrytis 



„ 



61-70 



ib. 



Volvox globator . . . 



XIV 



71 



Ill 



Pandorina morum . 



„ 



72-81 



ib. 



Press for drying Botanical Specimens 



XV 



82 



119 



Zygnemacese conjugating 



» 



83-85 



ib. 



Fucus vesiculosus . . . . 



XYI 



86 | J 



Frontis- 







piece. 



„ serratus ...... 



j) 



87 



ib. 



„ nodosus 



XYII 



88 



127 



„ canaliculatus . 



., 



89 



ib. 



Torrubia entomorrbiza . 



XYIII 



90 



135 



„ ,, section . 



„ 



91 



ib. 



,, militaris . . . . 



jj 



92 



ib. 



„ gunnii . . . . . 



55 



93 



ib. 



,, spbingum . 



55 



94 



ib. 



,, „ isaroid condition 



55 



95 



ib. 



„ „ fertile stipe 



XIX 



96 



143 



„ stylopbora . . . . 



55 



97 



ib. 



Morcbella esculenta 



55 



98 



ib. 



Lycoperdon gemmatum . 



5J 



99 



ib. 



