PLATE XXIII. 



1. Anacalypta lanceolata. 



a. plant, nat. size. c. sporangium, magnified. 



b. leaf, magnified. d. sporangium without lid, magnified. 



e. portion of peristome, magnified. 



2. Pottia crinita. 



a. plant, nat. size. c. young veil, magnified. 



b. leaf, magnified. d. sporangium, magnified. 



e. follicle of P. ca/eifolia. 



3. Pottia Heimii. 



a. plant, nat. size. b. leaf, magnified, 



c. sporangium, magnified. 



4. Campylopus flexuosus. 



a. plant, nat. size. c. veil, magnified. 



b. leaf, magnified. d. sporangium, magnified. 



e. part of peristome, margined. 



5. Ceratodon purpureus. 



a. plant, nat. size. c. sporangium, magnified. 



b. leaf, magnified. d. part of peristome, magnified. 



e. tip of tooth, more highly magnified. 



6. Leucobryum glaucum. 



a. plant, nat. size. c. tip of leaf, magnified. 



b. leaf, magnified. d. sporangium, magnified. 



e. part of peristome, magnified. 



7. Dicranum scoparium. 



a. plant, nat. size. b. leaf, magnified. 



c. part of peristome, magnified. 



8. Dicranella heteromalla. 



a. plant, nat. size. c. sporangium, magnified. 



b. leaf, magnified. d. part of peristome, magnified. 



9. Cynodontium Bruntoni. 



a. plant, nat. size. c. sporangium, magnified. 



b. leaf, magnified. d. part of peristome, magnified. 



10. Arctoa fulvella. 



a. plant, nat. size. c. sporangium, magnified. 



b. leaf, magnified. d. part of peristome, magnified. 



