(July, 
166 BOTANICAL GAZETTE. 
and the lumber lasts along time. The white poplar grows on hilly w 
and dry locations, and the trunk is mostly white or sap woo 
joy 
— 
o> 
— 
ie 4) 
a 
a3 
4 
a 
= 
2) 
He states that the young trees can not be distinguished, to his knowledge, by 
) 
ridges, while the white poplar bark is short and choppy.” : 
r. Bright has had a large amount of timber cut off his place, and has 
handled a large amount of “poplar” lumber. He tells me that he is 
ow ” 
t different conditions of the same variety at different ages. On h 
ridge, quite dry, on his place, he oplar wood which he has been 
cutting out; all of the old trees are yellow, the you ite my 
r ear b is occasionally flooded, there is an abun- 
Ww 
? 
dant growth of young white trees. He can not tell the color of the wood 
from the bark. He mentions a tree in front of his house which his 
father remembers, some forty years ago, as a white poplar tree. Some 
two years ago the tree was spilt open by lightning, and od — eX 
cepting two inches of sa d—was yellow. It had changed yellow 
as it grew older. Even i young trees the heart wood is yellow 
Oxalis, 
Mr. Thomson’s note on autumnal blooming of Oxalis violacea relates 10 
a well-known peculiarity of the plant. In the American aturalist ed 
January, 1882, I called attention to the constant absence of the mid-sty le d 
‘orm from this, which should be a trimorphic species. Aside from. 
gure = Payer’s Organogénie, and a record of one doubtful specimen ? 
rand’s ps 
— the pistil intermediate in length between the two sets of 
In going over a very full line of i i I discovered 
; specimens, last winter, 4 dl a: 
: Mee our flora includes two speeies of the violacea grou that have not 
a a, distinguished, viz.: ©. latifolia, var. an divergen” 
1¢n are i 
