Chardon : Pyrenomycetes of Porto Rico 



299 



39. Theissen, F., und H. Sydow. Die Dothideales. Ann. Mycol. 13: 149-746. 



pis. 1-6. 19 1 5. 



40. Theissen, F., und H. Sydow. Synoptische Tafeln. Ann. Mycol. 15: 389- 



491. 1917- 



41. Sydow, H. et P. Contribution a l'etude des champignons parasites de la 



Colombie in Fuhrmann, O et E. Mayor. Voyage d'exploration scien- 

 tifique on Colombie. Mem. Soc. Neuch. Sci. Nat. 5: 435. 1913- 



Explanation of Plates 

 Plate 13 



Fig. 1. Lembosia microspora sp. nov. Group of ascomata ; notice there 

 is no evidence of a superficial mycelium. X 11. 



Fig. 2. L. microspora. Two mature asci ; notice the small size of the 

 ascospores when compared with those of the other two species. X 300. 



Fig. 3. L. microspora. Portion of a leaf of Ocotea leucoxylon showing 

 groups of ascomata. X 87 1 1. 



Fig. 4. Lembosia melastomatum Mont. Colonies on a fragment of a leaf 

 of Miconia prasina. X 8/1 1. 



Fig. 5. L. melastomatum. Group of ascomata on the same leaf; notice 

 the profuse development of aerial mycelium. X 11. 



Fig. 6. L. melastomatum. A mature ascus. X 300. 



Fig. 7. Lembosia tenella Lev. Group of ascomata on a leaf of Cocco- 

 loba uvifera. X 11. 



Fig. 8. L. tenella. An ascus with immature ascospores to the left and 

 two mature ascospores to the right. X 300. 



Fig. 9. L. tenella. Portion of a leaf of Coccoloba uvifera showing 

 characteristic colonies. X 8/1 1. 



Plate 14 ' 



Fig. 10. Ophionectria portoricensis sp. nov. A group of perithecia. 

 X 3. 



Fig. 11. Podostroma orbiculare sp. nov. Two stromata ; the one to the 

 left is shown side view and shows the stipitate character. X 3/2. 



Fig. 12. Dothichloe atramentosa (B. & C.) Atk. Characteristic stromata 

 on leaves of Chloris petraea. X 8/1 1. 



Fig. 13. Dothichloe Aristidae Atk. Culms of Aristida portoricensis with 

 stromata completely encircling them. X 8/1 1. 



Fig. 14. Dothichloe subnodosa sp. nov. Stromata on culms of Ichnan- 

 thus p all ens ; notice the location of the stromata just beneath the nodes. X 

 8/11. 



Fig. 15. Hypoxylon annulatum (Schw.) Mont. Perithecia. X 6. 



Fig. 16. Nummularia punctulata (Bi. & R.) Sacc. Stromata on dead 

 wood showing effused character; notice also the smooth polished surface of 

 the stroma. X 8/1 1. 



Fig. 17. Nummularia cincta Ferd. & Wge. Stromata on dead wood 

 showing characteristic erumpent habit. X 8/1 1. 



