Orchidacece. 
101 
Corallorhiza, Haller. Coral-root. 
540. *G. odontorrhiza , Nutt. 
Rare. A few specimens found in woods near 
quarries west of Madison. 
541. *G. multiflora, Nutt. 
Dry woodlands. Widely distributed but not 
abundant. 
Spiranthes, Richard. Ladies’ tresses. 
542. S. cernua, Richard. 
Low grounds south of Madison. 
Goodyera, R. Br. Rattlesnake-plantain. 
543. G. pubescens, R. Br. 
Woods near I. C. R. R., two miles southwest of 
Madison. Rare. 
Calopogon, R. Br. 
544. C. pulchellus, R. Br. 
Two specimens collected in wild meadow south of 
Lake Wingra. Very rare. 
Orchis, L. 
545. O. spectabilis, L. Showy orchis. 
In rich woods throughout the region. Not 
abundant. 
Habenaria, Willd. Rein-orchis. 
546. II. tridentata, Hook. 
Low, wet meadows southwest of Windsor. Rare. 
547. H. bracteata, R. Br. 
Rich woods. Common. 
548. H. hyperborea , R. Br. 
At Merrill Springs, Lake Mendota. Rare. 
549. H. leucophcea, Gray. 
A few specimens collected along C., M. & St. P. 
R. R., near Lakeside. Summer of 1888. Two 
specimens found along same road west of U. W. 
Farm buildings, 1891. Not observed in either 
place since. 
