82 BULLETIN OF THE LABORATORIES 



341. POGONIA JUSS. 



710. P. ophioglossoides Nutt. 



Peat bogs, very rare; Cranberry Marsh, 'Old Reservoir. June 

 20, 1890. 



711. P. pendula Lindl. 



Deep, rich woods, rare; one-half mile northeast of house of Mr. 

 W. A. Castle, west of Alexandria, and' a few other placesin St. Al- 

 bans township. July 28, iSgo. 



342. Orchis L. 



712. O. spectabilis L. Showy Orchid. 



Rich woods, our moist common orchid, especially abundant in 

 the deep woods of Welsh Hills. May 19, 1888; May 20, 1890; May 

 18, 1891. 



713. O. rotundifolia Pursh. , 

 Deep, rich woods, very rare. Prof. W. G. Tight found a single 



specimen of this plant in the Welsh Hills, May 18, 1891. 



343. Habeijaria Willd. 



714. H. tridentata Hook. 



Peat bogs, very rare; Cranberry Marsh, Old Reservoir. August 

 8, 1 89 1. 



715. H. orbiculata Torr. 



Deep, rich woods, rare; Welsh Hills. June 15, 1891. 



716. H. lacera R. Br. Ragged Fringed Orchis. 

 Herbarium of Dr. F. O. Jacobs.* 



717. H. psy codes Gray. 



Swamps, rare; Spring Valley, swamp one mile southwest of Alex- 

 andria. July 22, 1890; August 4, 1891. 



344. Cypripedium L. 



718. C. parviflorum Salisb. Smaller Yellow Lady's Slipper. 

 There is a specimen of this in the High School Herbarium at 



Granville, collected in Mary Ann Township. 



719. C. pubesctas Willd. Larger Yellow Lady's Slipper. 

 Rich, deep, woods, rare; Welsh Hills, especially in the large tract 



of woods north of the Fort Hill Farm. These woods are now owned 

 by Mrs. Roderick Jones. May 14, 1891. 



