38 NEW YORK STATE MUSEUM 



Equisetum praealtum Ra£. 



Low woods near Oneida. House, May 15, 1918. Distributed as 

 E. laevigatum A. Br. 



According to Dr J. H. Schaffner, true E. hyemale L. does 

 not occur in the eastern United States, most of the specimens so 

 referred to in the past belonging to E. praealtum Raf. Few- 

 species are so variable in size and habit as this one, the specimen 

 cited above being nearest typical of any seen from this State; 6 to 

 25 cm tall and stems 6 to 12 mm thick. 



Monroe County 

 Agropyron pseudorepens Scribn. & Smith 

 Along railroad tracks near East Rochester. M. S. Baxter 1002, 

 August 5. Apparently adventive from the west. 



Leptoloma cognatum (Schultes) Chase 

 Along railroad tracks near Despatch. D. M. White, August 22. 

 Adventive from the west and now well established and rapidly 

 spreading in waste and sandy soil in many sections of the State. 



Carex Bebbii Olney 

 A common sedge in Monroe county, represented by collections 

 at Round pond (House), Irondequoit bay (House), and at Bergen 

 swamp, Genesee county (House). 



Carex convoluta Mackenzie 



Palmer's glen, Rochester. House, July 5, 1917. Other Carices 



collected on this date at Palmer's glen are: 



Carex cephalaphora Muhl. Carex blanda Dewey 



Carex communis Bailey Carex anceps Muhl. 



Carex laxiculmis Schw. 



Carex trisperma Dewey, var. Billingsii Knight 

 Mendon bog. House, July 5, 1917. 



Carex normalis Mackenzie 

 Churchville. House, July 4, 1917. 



Carex tetanica Schk. 

 iNear Mendon. Hottse, July 2, 19 17. 



Carex Sartwellii Dewey 

 Mendon ponds. M. S. Baxter 5488, June 19, 192 1. A very rare 

 sedge which Mr Baxter has also rediscovered at the original station 

 (Junius marsh). 



