; 
1901 | 
Station for Asplenium ebenoides, 
248. 
Worcester County, Massachusetts, 
Additions to Flora of,— III, 185. 
Xanthoxylum americanum, 234. 
Yale University, Herbarium of, 287; 
Forest School, Herbarium of, 288. 
Index 
315 
Yellow-fruited Form of Ilex opaca at 
New Bedford, Massachusetts, 58. 
Young, Aaron, Herbarium of, 69; 
Young, Herbert Andrew, Herbarium 
of, 259. . 
Zizia, 212; aurea, 212, var. obtusifolia 
213. 
Zostera, 218, 291 ; marina, 291. 
, 
