36 BULLETIN OF THE LABORATORIES 



cut nearly to the midrib, thick and shiny, and bright yellow fruit. 

 May 26, 1884; May 26, 1888; May 28, 1890; May 23, 1891. 



231. C. Crus-galli. L. Cockspur Thorn. 

 A few specimens grow at the Reservoir. 



no. Amelanchier Medic. 



232. A. Canadensis Torr. and Gray. Shad Bush. Service 

 Berry. 



Rocky woods, common. April 30, 1S84; April 15, 1887; April 

 27, 1888; April 16, 1889; April 18, 1891. 



233. A. Canadensis Torr. and Gray. Var. oblongifolia Torr. 

 and Gray. 



Same situations as last. April 15, 1887; April 19, 1889; April 

 18, 1891. 



XXIX. SAXIFRAGACEAE. 



III. Saxifraga L. 



234. S. Virginiensis L. Early Saxifrage. . 



Rocky hillsides, common. May 9, 1887; April 13, 1889; April 

 9, 1891. 



235. S. Pennsylvanica L. Swamp Saxifrage. 



Swamps and wet meadows, somewhat rare. A form was found 

 in Mary Ann Township, in a wet meadow, with leaves much crenate 

 and less hairy than typicJl specimens. Several specimens were found 

 at Rain Rock which measured over 3^ feet, with leaves 12 inches 

 long. May 28, 1888; May 23, 1891. 



112.- MiTELLA Tourn. 



236. M. diphylla L. Mitre-wort. Bishop's Leaf. 



Moist, rocky hillsides, rather common. May 20, 1887; May i, 

 1889; April 25, 1891. 



113. Heuchera L. 



237. H. Americana L. Common Alum-root. 



Moist, rocky hillsides, ' wooded, rather common, especially in 

 eastern part of county. June 8, 1888; June 4, 1890. 



114. Chrysosplenium Tourn. 



238. C. Americanum.Schwein. Golden Saxifrage. 



