14 SYRACUSE BOTANICAL CLUB'S COLLECTION 



PELLEA— Link, 1841. 



P. ATROPURPUREA — Link, 1841. Purple Stemmed Cliff 

 Brake. 

 Rare. Limestone cliffs. Indusium; incurved margin 

 of pinnules. Green Lake. June, Sept. 



POLYPODIUM— Lin., 1753. 



P. VULGARE — Lin., 1753. Common Polypody. 



Frequent on rocks. Generally near the summit of a cliff. 

 Sometimes on old stumps. Evergreen. Without indusia, 

 Kinney Gorge. June, Nov. 



MARSILEACE/E— R. Br. 



MARSILEA. 



M. QUADRIFOLIA — Lin., 1753. Marsilea. 



Rare. Only locality reported, Hoyt Farm, Green 

 Point, by L. M. Underwood, 1890. 



SALVINACEAE— Adams, 1763. 

 SALVINIA — Adams, 1763. (Marsilea.) 



MARSILEA. 



S. NATANS — Hoffm. (Deutch Flora, 1795.) Reported by 

 Pursh, 1814, as "Marsilea natans." Lin., 1752. I have 

 never seen it. July, 1897 — Underwood. 



EQUISETACE^— Michx. 



EQUISETUM— Lin. 1753. Horsetail Fam. 



E. ARVENSE — Lin., 1753. Com. or Field Horsetail. 



Sandy soil, along railroad tracks and in moist soil. 

 Tamerac swamp and creek banks. Common. May. 



E. SYLVATICUM — Lin., 1753. Wood Horsetail. 



Moist sandy woods. Central cavity large. Branchlets 

 recurved. Frequent. May. 



