460 TRANS. OF THE ACAD. OF SCIENCE. 
6032, Hb. norm. 52. With a good deal of pw Satta 
ed in the specific name given to this plant, I venture to sepa- 
as eh distinct species. The seeds of J. oxymeris show on 
one side 7-9 ribs and a distinct reticulation, the ares being 
smooth, and only the ribs slightly crenulate; J. dubius has 
36. J. mititaris, Bigelow, Flor. Bost. ed. 2 (1824), p. oy 
aos Kan ed, 2, p. 482, w as “discovered by B. D. Green 
wksbury,” and has since age Saket from Maine, Blake, 
to Gaadisan and southward to the Pocono Mountains 
in Pennsylvania, 7. Green, New Jersey, Asa Gray, CO. F. 
Parker, Maryland, A. Commons, and, if there is no error in 
the label, as far as seg a Drummond—tThe stout stems, 
2~4 feet high, spring fro nik ge cigs ck, and bear on 
eads are | 
them 15-25 flowered. Flowers (in the North in August) 13 
lines long; sepals lanceolate, outer ones subulate-pointed or 
even aristate, res! very little shorter than me acute inner 
e se 
ick, and abru 
0.25-0.30 line aes and rates of ci Jength in diam- 
es: ' 
Oe R ins has discovered a very curious peculiarit od 
this et which abounds in the Blackstone river, near 
