CURRENT LITERATURE. 
BOOK REVIEWS. 
Physiological plant anatomy. 
Tar physiological anatomy is not one of those subjects that may be regarded 
as completed, so far as important new researches are concerned, is illustrated when 
one makes a comparison of the second and third editions of HABERLANDT’S well- 
known work.* The first edition of this important work appeared in 1884, and 
since then there has been no excuse for the presentation of anatomy in a dead 
and formal manner. A second edition was issued in 1896,? and now in a still 
shorter time we are favored with a third edition. In this the pages have been 
increased from 550 to 616, and the figures from 235 to 264. While the general 
plan of the work resembles that of the second edition, there are many noteworthy 
additions in most of the chapters, and the latter part of the book has been rewnit: 
ten, because the knowledge of these topics has been almost revolutionized, and 
in large part through the discoveries of the author himself. 
the treatment of mycorhiza, a topic concerning which vastly more is known 
in 1896. In the chapter entitled “Das Assimilationssystem,” Nore 
work on palisade cells is considered, but the excellent work of GrirFon and we 
receives little or no mention. Latex tubes are still regarded as conductive Ve*" 2 
OTHERT’S studies on the structure of the fibrous thickenings of conduct 
vessels give material for an interesting additional statement. The most nO 
: ; bearbeitete und 
* HABERLANDT, G.., Physiologische Pflanzenanatomie. Dritte, neu re Engel- 
vermehrte Auflage. Imp. 8vo. pp. xvi+616. fig. 264. Leipzig: Wilhe 
mann. Igo4. rh 
? See review in Bot. Gaz. 23:472. 1897. 
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