452 Bibliography. 
tion and proportions, which seem to distinguish insular floras from the 
continental.” The topics so ably discussed possess such general inter- 
est as well as novelty, that it appears very desirable to reprint the whole 
= in ” Journal, if room can be found for it—The next article 
mbrosinia ciliata of Roxburgh eeres — 
“i He latnanted Mr. Griffith, with three plates. The most remarkable 
ery here illustrated, appears to be the seamen mveaiall in 
eed of this aquatic plant, of the fleshy cotyledon, which fills the 
ane of the nucleus, from the highly developed and complex plumule, 
which is thus detached long oo, to proper germination so as 
to form an independent plantlet. The whole seems to be quite analo-» 
ous to what takes place at germination in those monoe cotyledons 
whose cotyledon remains nearly unchanged within the seed, and at 
length separates from the growing plantlet 
here are two brief botanical contributions by Dr. Falconer, one 
“On the Assafcetida plant of Central Asia;” the other an “ Ac ccount 
“e Gamoplexis, an undescribed genus of Orchideous Plants.” ¥§ ‘Tt ap- 
ing articles are entomological, and all contributed by Mr. Newport, 
namely, ‘**On the aqueous vapor expelled from be hives ;’ “On the 
generation of the Aphides;” and an elaborate memoir, the first of the 
series, ** Oa the sone History, Anatomy and — ment af iar 
Oil-beetle, Meloe,” enus of insects which a ‘to exist in the — 
early period of their life as parasites, while in ie lowed stage 
purely herbivorous, 
Synopsis of the Lichenes of New England, the ot 
States, and British America ; we Epwarp ‘TuckERMAN, 
pac G. Nichols 
