| : A Oia 
: : a O grandis. 
hte aan 
473 
Swamp, the plant was found near North West, in southeastern 
Virginia. 
Now with this geographical range to support a well-marked form 
the question arose: What is the plant? A newor a lost species? 
While in Charleston last winter, I had an opportunity to ex- 
amine the type of Oxalis recurva in Elliott's herbarium, at the 
Charleston College, and was not surprised to find that the small — 
Plant, which had been recently collected as cited above, was the 
Same as Elliott’s type. A comparative study of this form and the 
_ Supposed O. recurva shows each to have, first, strong and constant 
morphological characters, which separate them from each other 
and related Species, and second, a remarkably well-defined geo- 
 Staphical range. A glance at the accompanying plates will con- 
Vince any one of the specific validity of the two forms. 
\s 
mr 
_ After dispensing with this part of the difficulty,a second ques- 
Hon arose: What is the plant that has been passing for O. re- 
“trva? This form has been lying in herbaria, under one name 
°F another, or unnamed, for many years. As far as I can discover, 
it appears to have been first found by Carey, at Wysox, Penn- 
Sylvania, in 18 36, and then by Porter, at Mercersburg, in the same 
State, in 1850. During the last decade, especially the latter part, 
