Geology and Natural History. 463 
rst or second 
changes to the distichous order. The difference between B. per- 
fi 
of which is in our possession. Most of its leaves are cordate-clasp- 
ing rather than perfoliate, and with or without a retuse or emar- 
obviously a pair of stipules; and one of like conformation but 
with an obvious terminal leaflet in the sinus! Mr. Ravenel re- 
marks that this is a manifest step toward his own B. stipulacea. 
But it hardly invalidates that species, although the inflorescence 
| A 
. Drosera (Sundew) as a Fly-Cateher.—A valued correspon- 
dent and accurate observer, Mrs. Treat of Vineland, New Jersey, 
writes : 
“For mers i 
rotundifolia, D. longifolia and D. filifolia from their moist beds, 
and placed them in sand and water in such a way that they made 
nature; but with my preposessions an its, 
‘mologist and a house-keeper, I was contentedly 
the work go on.” 
- If we rightly remember, in D. rotundifolia it is only the gland- 
tipped bristles that bend inward and hold the a while 
interested to see 
they probably suck the juice out of him. This folding of the 
blade of the leaf itself around the fly is a new fact to us, and is 
8o especially interesting, being a step toward Dionea, that we 
