ill EXPLANATION OF THE PLATES. 



b. leaf-cells, magnified. 



c. sporangium with pericheetium, magnified. 



d. veil, magnified. 



4. Daltonia splachnoides. 



a. leaf, magnified. 



b. sporangium, magnified. 



c. veil, magnified. 



d. part of peristome, magnified. 



5. Hookeria lucens. 



a. leaf, magnified. 



b. sporangium, magnified. 



c. veil, magnified. 



d. part of peristome, magnified. 



6. H. Isete-virens. 



a. leaf, magnified. 



b. sporangium, magnified. 



PLATE IV. 



1. Neckera complanata. 



a. leaves, magnified. 



b. leaf-cells, magnified. 



c. sporangium, magnified. 



d. veil, magnified. 



2. N. crispa. 



a. leaf, magnified. 



b. sporangium, magnified. 



c. veil, magnified. 



3. N. pumila. 



a. leaf magnified. 



b. sporangium magnified. 



c. part of peristome, magnified, seen from within. 



4. N. pennata. 



a. leaf, magnified. 



b. sporangium, magnified, with perichaetium. 



