ORCHIDACE^ 



Biltmore Herbarium (no. 781 b). Mount Sterling, Albert Ruth JfSO, Au- 

 gust 20, 1897. 



SOUTH CAROLINA 



Santee Canal, H. W. Ravenely September. Damp shady woods. 



FLORIDA 



ALABAMA 



Peters. 



TENNESSEE 



BuRBANK, Roland Thaxter^ September 1887. Wilkinson. 



INDIANA 



Whiting's, E. J. Hill, August 6, 1886. 



ILLINOIS 



E. Hall. Urbana, H. A. Gleason, September 1902. Rich woods. Chicago. 

 Mqffatt, September 4, 1897. Tamarac swamp at the head of Lake Michi- 

 gan. Athens, E. Hall, 1865. 



MICHIGAN 



Clarksville, /. W. Stacey, September 1901. 



WISCONSIN 



Madison, William Trelease, August 13, 1885. 



MISSOURI 



Dunklin County, B. T. Biish 131, September 17, 1893. Courtney, B. T. 

 Bush 1788, 1877, September 18, 1903. Rare in rich woods. St. Louis, 

 H. Eggert, August 5-September 14, 1892. Damp woods. 



POGONIA Juss. 



Pogonia ophioglossoides {L.) Ker-Gawl. in Bot. Reg. 

 (1816) t. 148. Arethusa ophioglossoides L. Sp. PL 2 (1753) 951. 



Pogonia ophioglossoides is too well known to deserve lengthy- 

 attention, but its means of vegetative reproduction differ so 

 markedly from those of Triphora trianthophora that a detailed 

 description is quite necessary for the purposes of this paper. 

 In this species the rhizome is normally vertical, inconspicuous, 

 and buried from view in deep sphagnum or boggy soil. From the 



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