4 
Mycologia 
brown and rough, reaching a diameter of 10-13 or occasionally 
lo-ii X 12-13 ;u.; spore-roughenings very variable, consisting of 
minute rounded wart-like projections, short interrupted ridges, or 
often with one conspicuous simple or branched ridge extending 
across the visible surface of the spore; paraphyses stout, grad- 
ually enlarged at their apices, reaching a diameter of about 5 fi. 
On excrement of pigs. 
Type locality ; Grown in the laboratories of the New York 
Botanical Garden on pig dung sent from Porto Rico. 
Distribution : Cultivated on pig dung from Porto Rico and 
New Jersey. 
New York Botanical Garden. 
Explanation of Plate CLXXII 
Figs. 1-5. Ascodesmis microscopica (Crouan) Seaver. 
Fig. I. Young asci and paraphyses. 
Fig. 2. Asci and paraphyses showing different stages in their development. 
Fig. 3. Ascus with young spores. 
Fig. 4. Ascus with mature spores. 
Fig. 5. Mature spores isolated. 
Figs. 6-9. Ascodesmis porcina Seaver. 
Fig. 6. Young and mature asci. 
Fig. 7. Ascus with spores partially matured. 
Fig. 8. Ascus and paraphysis with mature spores. 
Fig. 9. Mature spores isolated. 
