134 The Botanical Gazette. Ard 
plain the propagative activity that often makes itself appared 
even in highly specialized organs, as the leaf of the Begonia 
‘by the laws of reversion, and vegetative propagation woul 
become atavistic in its implication. Entirely apart, howe 
from speculations like these it seems well to insist upte 
the close examination of even so common a term as the Wit 
‘‘spore,” for any increase inexactness is an impetus to thougit 
that should not be underestimated. 
University of Minnesota. : 
The range of variation in species of Erythronium. — 
M. E. MEADS. : 
WITH PLATE XI. = : 
About a year ago while working upon plant variatio® 
some interesting variations of Erythronium Americanim® 
found of which I could find no record. During the Pe 
the limits of their variations. Over four hundred er 
have been examined, and the results seem to warrant PX 
cation. 
with a spread of 3™, and of fifty-three plants of W 
careful measurements, only seven had the stigmy 
the length of the stigmas ranging from 1-3 f 
may be seen in figs, 1-3, the stigmas of E. Amer 
range from 1.3™" to 3.6™". ey 
Owing to the curve of the stigma of E. albidum! 
possible to take accurate measurements of the len 
is, however, a considerable range, although er 
in E. Americanum. The spread of the stigm@ of 
