LIST OF PLATES. 



PLATE PAGE 



I. Map of Botanical Zones 5 



II. Diagram of Vertical Regions of Vegetation ... 10 



III. Lapland Scenery 20 



IV. Umbelliferai. Kamtschatka . 42 



V. Balsam Bog (Bolax glebaria) 77 



VI. Submarine Vegetation. Antarctic Ocean . . . . 82 

 VII. Grass Trees (Kingia and Xanthorrkasa). West 



Australia 125 



VIII. Cycas revoluta 169 



IX. Screw Pine (Pandanw) 191 



X. Tara (Colocasia m.acrorhiza) 196 



XI. Agave and Cochineal Cactus (Opuntia cochinilliferd) 197 

 XII. A young Breadfruit-tree (Artocarpus incisa) . . .210 

 XIII. A Mangrove-tree (Rhizophora Mangle) . . . .221 



