444 Scientific Intelligence. 
and at length — about a foot long, the flowerstalks springing “— 
its sinus. The two cotyledons grow equally for the first few days, but o 
of them is soon arr iene while the other grows on in this remarkable man- 
ner. S. Rewxit and S. biflorus show this remarkable peculiarity, but also 
_ develope a beep of two or three smaller Jeaves 
(: otes on Anonacee, by George Bentham, — the prin- 
ciples eddipied in the forthcoming revision - sag er for the new 
enera Plantarum, and characterizes several n e a The rather 
numerous instances in which the petals are imbricated in zstivation, as in 
Magnoliacee, are mentioned, and the estivation is (perhaps rather too 
much) used in the division into tribes, 
(4.) Botanical Memoranda, by George Bentham. In this short paper 
Mr. Bentham discusses several topics with his well-known ability an 
sense. e ane demur to his conclusion that the so-called involucre of 
ne ers to a single amplexical divided leaf, and would sta to 
the ‘estadabt of two opposite leaves in A. Virginiana and A. Pennsyl- 
vanica in proof of the contrary; nor can we regard the change tots veo 
ternate to opposite or verticillate leaves as so anomalous or so yunusual as 
i 
ensuing note on the stigmas of Papavaracee is clear and adm 
) On Fissicalyx, a new genus ie Dalbergiee (No. 2223 of Fendler’s 
Venezuelan coliection), by the same author. 
_(6.) Account of the plants collected by Dr. Walker in Greenland and 
Arctic America during the expedition of Sir Francis M’Clintock in the 
Yacht ‘ Fox, by Dr. J. D. Hooker. 
(7.) Hepatice India Orientalis, ay Mr. Mitten ; commenced. 
Supplement to vol. v.; Botany, 1860, contains the Florida Adenensis, 
by Dr. Thomas Anderson, a botanist of excellent promise; 43 pages, 
with 6 plates. Ninety-four species compose the known phznogamous 
flora of this arid little peninsula of Aden, bolonett to 79 genera and 41 
natural orders. Most of these species are scarce in individuals, only a few 
of the more arid forms predominating; all are more or less peculiar in 
their habit, and destitute of a bright green color; nearly all are glaucous, 
whitened, or hoary, many are fleshy, and 1 6 bear sharp thorns, “ All 
the species have to strive against conditions tending to the entire extinc- 
tion of vegetable life ;” and “the flora a to be a collection of des- 
ert species, selected from widely different patiial orders and genera, and 
all alike contending with the excessive heat and drought.” “In so dry a 
Sleaneg Ferns and other Cryptogamia except Lichenes, are wins un- 
kno 
Review.— 
2. Life on the Earth, its Origin and Succession ; by Joun ote 
M.A., LL.D., F.RS., late President of the Geological Society of 
don, Professor of Geology i in the University of Oxford. Cambridge ret 
London, Macmillan & Co., 1860, pp. 224, 12mo.—A book with this tak- 
ing title especially in these days, i is sure of a rompt and wide circula- 
tion,—all the more so when the author is an Oxford Professor, and a Rede 
i eiure at the sister University. The subject and the author here com- 
mand attention and respect, and excite a high degree of expectation. We 
imagine that tens: readers who take this nae for what it really is, viz., 
CJ 
SI a ie 
