284 BOTANICAL GAZETTE. 
or the present work. Of the great value to both space oe = pupil of such a 
handbook, when well prepared, there can be but one op in , 
he work opens with sixteen pages on methods x3 eee the materi ca 
followed ie seven pages on reagents and twenty pages on the structure an 
the 
is devoted to the study of types of phanerogams and pterido hy tes. 
sr ea tnt up the chatlon as illustrating in its seeds the dicotyledonous 
embryo, and in its By: the herbaceous type of structure, followed by the elm 
for the i Meas sich the mare’s-tai | (Hippurus vulgaris) for r the peice 
type. Sieve tubes re than examined in Cucurbita and gone laticiferous vesse : 
in ~ dandelion an Euphorbia splendens, followed by a study of leaves an 
Corn is next used to illustrate the embryo and Bistedled es in monoco- 
ss Aer and fig for the herbaceous type of stem, yucca being used for pe ar- 
boreous type, and is followed up by a study of roots and leaves. This brings 
for certain parts; some of these are natives, some exotics. Passing to the gym- 
nosperms, Pinus sylvestris is taken to s ow different phases of structure and de- 
pie: ays In Gcuisphates + the following late are used: Selaginella Mar- 
nsit, Lycopodium clavatum, Aspidium m felix-mas and Equisetum arvense. This closes 
ay pi which is but t rst part of the projected wore the second . 
proposes to complete the types of the lower forms, and it is 10 be hoped W 
that the work is not intend ne “fo or so fh o have ia 
knowledge of the science to ae Ss fag follow the Hecatiou however, it wi 
prove a great boo r 
The method of paragraphing adopted peste “i an moony handling of a8 ~ 
ject. The student is directed to look at certai hara 
istic by which they may be Pace chy while a ee ame ee much information 
of a theoretical hike points.in homolo oct methods of f demonstrat 
difficult eget = oie of pens ae studies, and various yr help- 
appreciated by the pr oenaas e studen wl- 
is th oo ical ot will enable English students to obtain a peanion mee 
edge of the fundamental features of plant structure in accordance with ithe 
views, and it is t ates a much needed work. But while the seaiidaion 0 
: e doubt expre: king- 
ing the eu of starting out with the highest type of the bs is ing. 
dom, instea.. of progressing from the sim pler forms upward. For advan 
students, howe, this i is of little moment. 
