Chardon : Pyrenomycetes Collected in Porto Rico 321 



6. Xylariaceae 



62. Nummularia cincta Ferd. & Wing. 

 On wood. Maricao, 675. 



63. Xylarta apiculata Cooke. 



On wood. Mayaguez, 674. 



64. Xylaria aristata Mont. 



On dead leaves of Clusia rosea. Mayaguez, 677. 



65. Xylaria axifera Mont. 



On fallen herbaceous stems. Maricao, no accession number. 

 Department of Plant Pathology, 

 Cornell University, 

 Ithaca, N. Y. 



