444 White: Tylostomaceae of North America 



Fig. 7. Tylostoma fimbrialum, nat. size. 

 Fig. 8. Spores and capillitium, X ^70- 

 Fig. 9. Spores, X S'O- 

 Fig. 10. Tylostoma subfiisctim, nat. size. 

 Fig. II. Spores and capillitium, X 170- 

 Fig. 12. Spores, X 31°- 



Plate 35 



Fig. I. Chlamydoptis clavatus, nat. size. 



F"iG. 2. Spores and capillitium, X ^1^- 



Fig. 3. Spores, X3iO- 



Fig. 4. Single spores, X 45°- 



Fig. 5. Peridium showing lacerate mouth, and enlarged stem, nat. size. 



Fig. 6. Section through peridium and stem. 



Pl.a.te 36 

 Fig. I. Battarrea laciniata, y, nat. size. 

 Fig. 2. Spores and capillitium, X ^T^- 

 Fig. 3. Spores, X 3i°- 

 Fig. 4. Cells, X V-^- 

 Fig. 5. Cell after desiccation, X 3 10. 

 Fig. 6. Peridium, nat. size, showing attachment to the stem, 



Plate 37 



Fig. I. Battarrea Griffithsii, nat. size. 



Fig. 2. Specimen showing under side of peridium, volva missing, nat. size. 



Fig. 3. Peridium showing method of dehiscence, nat. size. 



Fig. 4. Spores, capillitium and cells, X ^TO- 



Fig. 5. Spores, X 3io- 



Fig. 6. Cells, X 3io- 



Pl.\te 38 



Fig. I. Qiieletia mii-abilis, nat. size. 



Fig. 2. Spores and capillitium, X ^70. 



Fig. 3. Spores, X 3io- 



Fig. 4. Spores, showing breaking up of inner substance, X 3iO- 



Fig. 5. Section through the peridium, showing detachment of stem, nat. size. 



Plate 39 



Fig. I. Dictyocephalos curvatus, ^ nat. size. 



Fig. 2. Lower portion of stem, and double volva, ;4 nat. size. 



Fig. 3. Peridium, ruptured irregularly, with remnants of mesh-like tissue, ^ nat. 



size. 



Fig. 4. Portion of tissue with spores and capillitium embedded in it, X ^1^- 



Plate 40 



Fig. 5. Dictyocephalos cui-oatus, i{ nat. size. 



Fig. 6. Spore, X 465- 



Fig. 7. Inner portion of spore issuing from outer coat, X 465- 



Fig. 8. Empty, hyaline spore coats, X 465- 



Fig. 9. Smooth inner spores after issuing from outer coat, X 465- 



