4 FLORA OF GRAND KAl'IDS. 



OSMUNDA I.. Fi.owKKiN.; Fkun. 



'JU. O. cinnamomea 1.. (iiniamon I'cin. 

 \\'v\ jil.U'c's; I'Diniuoii. .M i(l-M;i\ -.Iiiiic. 



21. O. Claytoniana L. 



Coininon in swamps. Mid-May-.hiiu'. 



2'-'. O. regalis I^. Flowcviiitx Fern. 

 !S\v;ini])s; common. ]Mi<I-May-.JuiH'. 



Fonns sli()wini>- transition stai^cs hotwcen rcrtik- and sterile 

 fronds are t'recjuent. 



PHEGOPTERIS Fee. Ueech Ferx. 



23. P. hexagonoptera Fee. 



In beech woods; occasional. July-Aug. 



John Ball Park, City; West Bridge St. Ferry; Farm of M. J. 



Schench, Cascade Gravel Road, Sec. 5, Cascade; Byron Center. 



PTERIS L. Brake or Bracken. 



24. P. aquilina L. Common Brake. 

 Copses; common. Ang.-Se])t. 



WOODWARDIA Smith. Chain-Fern. 



25. W. Virginica Smith. 



Swamps; especially common in and about huckleberry swamps. 



July-Aug. 



Saddle-Bag Swamp region; Lamberton Lake region; Bronner 



Lake; Vergennes; Ada. 



EQUISETACEAE. IIoksktam. Family. 



EQUI5ETUM L. 1Ior.setail. Scouring Rush. 



2G. E. arvense L. Common Horsetail. 



Moist gravelly or sandy soil; especially common along railroad 

 embankments. Mid- April- May. 



