304 Mas see. — A Monograph of the Geoglosseae. 
EXPLANATION OF FIGURES IN PLATES 
XII AND XIII. 
Illustrating Mr. Massee’s Monograph of Geoglosseae. 
PLATE XII. 
Fig. 1. Geoglossum glabrum, var. lignicolum. Nat. size. 
Fig. 2. Spore of same. X400. 
Fig. 3. Mitrula vitellina , Sacc. Nat. size (after Bresadola). 
Fig. 4. Section of same. Nat. size. 
Fig. 4 a. Asci and paraphysis of same. X400. 
Fig. 5. Vibrissea lutea , Peck. Nat. size. 
Fig. 6. Ascus and paraphyses of same. X400. 
Fig. 7. Spores of same, x 400. 
Fig. 8. Geoglossum hirsutum , form leotioides , Massee. Nat. size. 
Fig. 9. Section of same. Nat. size. 
Fig. 10. Ascus, paraphysis, and cystiaium of same, x 400. 
Fig. 11. Apex of ascus of same, showing the apical pore, a , which becomes 
blue when treated with a solution of iodine, x 750. 
Fig. 12. Spore of same. X400. 
Fig. 13. Vibrissea circinans, Hazsl. Nat. size. 
Fig. 14. Spores of same. X400. 
Fig. 15. Vibrissea truncorum, Fries. Nat. size. 
Fig. 16. Specimen of same. Slightly enlarged. 
Fig. 17. Section of same. Slightly enlarged. 
Fig. 17 a. Ascus, paraphysis, and free spore of same, x 400. 
Fig. 18. Leotia marcida, Pers., group of plants. Nat. size. 
Fig. 19. Ascus and paraphyses of same. X400. 
Fig. 20. Free spores of same, x 400. 
Fig. 21. Leotia aquatica , Libert. Nat. size. 
Fig. 22. Ascus and paraphyses of same. X400. 
Fig. 23. Mitrula luteola , Ellis. Nat. size. 
Fig. 24. Paraphysis and asci in various stages of development of same, x 400. 
Fig. 24 a. Free spores of same. X400. 
Fig. 25. Spathularia Jlava , Mass. Nat. size (after Gillet). 
Fig. 26. Ascus with spores of same (after Gillet. No x given). 
Fig. 27. Mitrula purpurascens , Mass. Nat. size. 
Fig. 28. Mitrula rufa , Sacc. Nat. size. 
Fig. 29. Ascus and paraphysis of same. X400. 
Fig. 30. Free spores of same, x 400. 
Fig. 31. Geoglossum hirsutum , Pers. Nat. size. 
Fig. 31 a. Ascus containing a fascicle of eight spores, paraphyses, and black 
spine-like cystidium, of the same species. X400. 
Fig. 32. Free spore of same, x 400. 
Fig. 33 . Mitrula Berterii , Mont. Nat. size. 
