ORGANOGRAPHY OF PLANTS 403 
the square brackets ae vice-comital numbers, which are 
there —- but not befo 
~ It need not be supposed ‘that the Rubi can be easily mastered, 
even with, the elp of so excellent a guide as Mr. Rogers has 
shade. e stem is reddened by oe to light; the leaves, 
which are of thicker texture and even rugose in sunny spots, 
and copses. This cause of variation borne in mind, the student 
will find the Hvmidlial a very se ssérisas its faults lie on the 
surface, and are, as the papers say of minor Boer successes, 
regrettable incidents that will not affect the main issue. T 
volume before us is the fruit of long experience, matured judgment, 
and unremitting toil; we trust that it will be widely used, and 
thus lead to a more successful understanding of one of the most 
labyrinthine puzzles in British botany. ee ee 
Or peas ib aphs y of og especially of the Archegoniate and Sperma- 
see ized English Edition by 
x BL nee Ae M. A., M.D se “ S. Part I.—General Organo- 
graphy. Royal 8vo, pp. 270; with 180 woodcuts. 
Oxford : Chieanlot Press. 1900. Price 1 12s. 6d. 
Eneuisx students will weleome Professor Balfour’s translation 
of Dr. Goebel’s suggestive book on the Organogra phy of Plants, 
the volume is a useful protest against a too mechanical system of 
morphology which has threalened to devitalize the science. In his 
and 
the two. The title of "hie book is si bo a he tells us, on the idea 
expressed by Herbert PRonOes; ‘‘ whose work is far too little valued 
by botanists,” as follows :—‘‘ Everywhere, structures in great 
measure determine functi : d everywhere functions are in- 
Various part lant and in giving definiteness to our idea of 
the plant- ae ioe which has at pushed too far, often leading to 
