236 Best : North American Pseudoleskea 



Description of Plates 



Plate 6 



Pseudoleskea atrovirens . — I. Upper and lower leaves. 2. Outer and inner peri- 

 chetial leaves. 3. Paraphyllium. 4. Apex of leaf. 5. Median cell. 6. Alar cells. 

 7. Cross- section. 



Pseudoleskea oligodada. — 8. Branch leaves. 9. Stem leaf. 10. Paraphyllium. 

 II. Apex of leaf. 12. Median cells. 13. Alar cells. 14. Cross-sections of leaf. 

 15. Capsule. 



Pseudoleskea pallida. — 16. Stem leaves. 17. Paraphyllium. 18. Apex of leaf. 

 19. Median cells. 20. Alar cells. 21. Back of apex of leaf, showing rough costa, 

 and papillae on upper surface. 



Pseudoleskea denudata. — 22. Branch leaves. 23. Stem leaf. 24. Simple and di- 

 vided paraphyllia. 25. Apex of leaf. 26. Median cells. 27. Alar cells. 



Plate 7 



Pseudoleskea radieosa. — I. Branch leaf. 2. Stem leaf. 3. Perichetial leaf. 4. 



Apex of leaf. 5. Median cells. 6. Alar cells. 7. Cross-section of leaf. 8. Back of 

 costa near apex. 9. Paraphyllium. 



Pseudoleskea rigeseens. — 10. Stem leaves. II. Perichetial leaf. 12. Paraphyllium. 

 13. Apex of leaf. 14. Median cells. 15. Alar cells. 16. Cross-section. 



Pseudoleskea substriata. — 17. Branch leaf. 18. Stem leaves 19. Paraphyllium. 

 20. Apex of leaf. 21. Median cells. 22. Basal half of leaf. 23. Cross-section. 24. 

 Back of costa near the apex. 



Pseudoleskea oligoclada. — 25. Capsule with lid. 26. Capsules without lid. 27. 

 Peristome. 



Pseudoleskea denudata, — 28. Horizontal and arcuate capsules. 29. Peristome. 



Pseudoleskea radieosa. — 30. Two curved capsules, with and without lid. 3 1. Per- 

 istome with oblong -lanceolate segments. 



Pseudoleskea rigeseens. — 32. Two straight capsules, with and without lid. ^2- ^ er " 

 istome with linear segments. 



Leaves magnified about 25 diameters ; cells and sections magnified up to 260 

 diameters. 



