104 Annals of thk Carnegif. Museum. 



TAXACE^ Lindley. 



YEW FAMILY. II-2. 



TAXUS Linneeus. 

 II T. minor (Michaux). American yew. 

 T. Canadensis Willdenow. 

 Shaler Township, R. R. tunnel near Undercliff. 



ORCHIDACE^ Lindley. 



ORCHID FAMILY. III-28. 



LEPTORCHIS Ihouans. 



LIPARIS L. C. Richard. 



* L. liliifolia (Linnceus). Large twayblade. 



Moon Township, several stations, 1890. Allegheny, Highwood 

 Cemetery, June, 1891. John Ferguson. 



APLECTRUM Nuttall. 



* A. spicatum (Walter). Putty-root. 

 A. hyejnale Nuttall. 



Moon Township, Owen Evans' woods, June, 1887. 



CORALLORHIZA R. Brown. 



* C. odontorhiza (Willdenow). Small-flowered coral-root. 



Moon Township, oak woods, T. A. Shafer heirs, August, 1889. 



* C. multiflora Nuttall. Large coral-root. 



GYROSTACHYS Persoon. 

 SPIRANTHES L. C. Richard. 



* G. cernua (Linnaeus). Nodding ladies' tresses. 



* G. gracilis (Bigelow). Slender ladies' tresses. 



Allegheny, Highwood Cemetery, August, 1898, John Ferguson. 



