136 METROPOLITAN PARK FLORA. 



ENDOCARPON, Hedw. 

 E. hepaticum, Ach., var. complicatum, Schser. 

 On rock. M*. 



Division IV. FUNGI. 

 (By A. B. Seymour and Flora W. Patterson.) 



USTILAGINE^E. 



Urocystis Hypoxis, Thaxter. 



Rare. S, on Hypoxis erecta, L. ; the finding of this species 

 is of considerable interest as it has been reported but once 

 before, when it was collected by Dr. Roland Thaxter in Con- 

 necticut. 



PHYCOMYCETES. 



Synchytrium Myosotidis, var. Potemtillae, Fail. 



Frequent. M, on Potentilla Canadensis, L. 

 Peronospora Corydalis, DBy. 



Probably frequent. B, on Corydalis glauca, Pursh., near 

 Great Blue Hill. 



P. Ficariaa, Tul. 



Common. BB, on Ranunculus bulbosus, L. 

 P. Linariaj, Fckl. 



Frequent, but obscure. S, on Linaria Canadensis, Spreng. 



PYRENOMYCETES. 



Plowrightia morbosa (Schw.), Sacc. 

 Common. BB, on Prunus Virginiana, L. 



Fungi Imperfbcti. 

 Gloeosporium Canadense, Ell. & Ev. 



Common and very destructive. B and M, on Qicercus 

 alba, L. 



