72 BOTANICAL GAZETTE. [ March. 
AMANITINE and its antidote is the title of an article by C. Macilyaine in the Journal a 
Psa th for January ane February, reprint ted from the sage ica : and Surgical aapetie: 
This dea 
rooms, as an t pointed out by Julius A. Palmer , of Bostor n, in a communication to the Mon 
iteur Scientifique in 1879. The alkaloid was Jantnied as early as 1868. This poison, when 
taken i system, does not manifest itself till a lapse of eight to fifteen hours; one 
the characteristic symptoms leaden or ash-colored hue of the ski Theo ecessful 
antidote is atropine. It had been tested upon the lower animals previous to pel season of 
1885, at which time it was first tried upon “sg Brean ‘cet in a Penn- 
sylvania from eating the pois onous Aman st be given under the direction 
ofa physicia an. Poly yporei, Boleti, Hy Pua yp Pica Bes sits ycoperdons do ae ntain a poi 
son, but may wobcasie n disturbance of digestion by being too old, p erin dec: nyed, 
possessing al nape or bitter principe, ¢ or Paes Seon Magier ond si such cases a use of swee 
oil and whis side 
THE LITERATURE on is full of k the respiration of plants. Two notable pa- 
pers by MM. Bonnier and rie are » added to their previous contributions in —o 
French journals. The first of these, Recherches sur | 
oppew des plantes,! is summarized by the authors as follows: 1, The ratio of the gaseous 
exchanges “ hb gore n has not the same value at different stages of development. In 
general, it mum during the period of germination, and a maximum about the 
middle = the de development, in an ee a anehe aor the long- tived plants, the ratio of O 
to COz passes through the maxi (autumn) during the seasons 
of successive years. . The intensity of respiration varies Nie! ‘he ‘development, Annual 
plants show rae f fi 
ering.» Perennial ge he also. have tw maxima, t the ti f f unfolding of the buds 
= a — at the time of floweri 1 thing, th 
er - 
tory intensity inferior to that of those with caducous leaves 
whe second paper, La fonction cee chez les végétaux,? is based upon all the pre- 
vious work of the writers. From it the following general statements may be taken: 1, 
Withi in wite limits, for the ae plant, * s given meomCNs, the ratio . hot scous exchanges 
i , the temperature and the 
illu mination. 2 The atio of gaseous exe hanges varies with the development of the plant. 
3, Ina cei time oe intensity sp respiration inereases, mo sian and — ipceiorap te i = wi 
temperature, an 
It also in i with the humidity of the air, and decreases with the illumination. 
~— scodiasp meee and lengthy lnpwsonnnels sy J. Herail, Son the comparative anatomy of the 
f the subject ape ra material to 
it. The ength of the paper te r 100 pages) fo: rbids endian gto of m than 
the pentin conclusions of the author, which are as follows: 1. Theu ‘i of aes ae the 
stem structure pers ists t throughout all the modifications or variations to —e _ — 
is subject. 2. Pp pl 
and nothing is at present known of their causes. 3. Cons idering the modifications to 
which the histological structure of the elements of the various tissues are subject, it may 
be said: (a) that the Pe fe of ign grees is papturons of the mode of life, but 
eral fi ing an 
Sg 
etam 
igo dige wag than i in Lect of ordinary habit; ; (b) that the liber escapes in 
ure 
ae, 1s, others. ing de 1 Viti have these vessels very rsmall 
(ec) that the cortical portion (ap rtai 
ence of the conditions of camrenctere nome is it is considered from: e same medium): the 
structure of this portion of the stem is generally identical in a given family and does not 
vary whether the plant is twining or erec’ 
1Ann. Sci. Nat., Bot., sér. vii, ii, iad 315-364, 
2Ann. Sci. Nat., Bot., sér. vii, ii, 365-380, ’ 
sur l’anatomie compatée de la des dicotylédones : Ann. Sci. Nat.» 
Bot., sér. vii. ii. p. 201-314. 6 plates. ei o . 
