ILLUSTRATIONS 



PLATES 



PAGE 



Plate I. Moss-draped tree, Southeastern Alaska Frontispiece 



II-VII. Fungi 54- 64 



VIII-IX. Lichens 150-152 



X-XXIX. Algje 212-250 



XXX-XL. Mosses 308-328 



XLI-XLIII. Hepaticae 368-372 



XLIV, Pteridophytes {Dryopteris aquilonaris) 398 



TEXT FIGURE 



Fig. I . Botrychiutn lunaria incisum 377 



(ix) 



