L'RYOl OCIST 



— I8 — 



Vol. XXIV, Plate I 



HyMENOSTOMUM FLAVESCENS E. G. B., SP. NOV. 



Fig. I. Plant, X 8. 



Fig. 2 and 3. Stem-leaves, X 23. Fig. 2, dry; 3, when moist. 

 Fig. 4. Basal cells of leaf, X 180. 



Fig. 5. Margin of leaf and cells about K down leaf, X 200. 

 Fig. 6. Cross-section near rrJiddle of leaf, X 180. 

 Fig. 7. Perichaetial leaf with archegonia, 23. 



Fig. 8. Paraphyses sometimes found enclosed in the perichaetial leaves, X 40. 

 Fig. 9. Capsule and calyptra, X 11. 



Fig. id. Exothecal cells at and near rim of capsule, also spores, X 180. 

 Fig. II. Stoma. 



