CATALOGUE OF PLANTS. 47 



Common in moist grassy places. Last of May-June. 



DIOSCOREACEAE. Yam Family. 

 DIOSCOREA L. Yam. 



396. D. vHlosa L. Wild Yam-root. 

 Frequent in moist thickets. June. 



IRIDACEAE. Iris Family. 

 IRIS L. WiLP Flower-de-Luce. 



397. I. versicolor L. Larger Blue Flag. 

 Wet places; common. June. 



SISYRINCHIUM L. Blue-eyed Grass. 



398. S. angustifolium Mill. 



Common in meadows and grassy places. Last of May-June. 



ORCHIDACEAE. Orchid Family. 

 APLECTRUM Nutt. Putty-root. Adam-and-Eve. 



399. A. hyemale Nutt. 



A. spicatian (Walt.) B.S.P. 

 Rich woods; infrequent. Last of May. 



Woods near West Bridge St. Ferry; along Buck Creek, near 

 Grandville (M.&C); East St. Pinery; Burton Ave. Swamp; 

 Jamestown; Vergennes; Tubbs' woods, Sec. 22, Grand Rapids 

 (O.H.). 



ARETHUSA L. 



400. A. bulbosa L. 



In the sphagnum of Orchid Swamp; rare. Mid-May-Mid- June. 

 L. S. Livingston and Prof. R. H. Wolcott report this species 

 as having been rather abundant in this swamp in the eighties. 

 In 1898 seven plants were found (O.H.). 



