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ARTICLES IN JOURNALS. 189 
generally. The next heading includes ica sto; 
criticisms on, the much vexed ‘‘ ascent of sap’ Ac 
ment, dated 1897, on Messrs. Dixon and Folly's fect ssh patti 
ee of the process, admitting the great suction-power 
f the supposed continuous water-film, denies its existence in the 
anauckaie tissue. After pa neni on the ‘ Swelling and Double- 
refraction” of plant- ee we come to the important one on 
the mechanism of twining stems (1881). Schwendener, it will be 
nutation and stem-torsion; phenomena which are both specially 
angie of twiners 
The second volum $ with a discussion on the mechanical 
stability of icant ealled: forth by Detlefsen’s work on the subject. 
Then follow papers on growth (especially apical), laticiferous vessels, 
and ‘‘mechanical”’ tissue section entitled ‘‘Pulvini”’ deals 
with the structure and cycle gical a of these remarkable 
developments co the leaf-base in plants like Mimosa, Oxalis, an 
others, which respond by waawachet to Nerkiela in light-intensity 
and other cused while the next and last section comprises two 
recent and important papers by G. Krabbe and the author on 
subjects allied i this, namely, changes in position of led and 
flowers, and the relation between rate of growth and variations in 
turgidity. 
aE lly, it remains only to say that the text is remarkably clear, 
and that the twenty-seven plates (many of them double) are well 
reproduced, and form a valuable addition to, and elucidation of, 
the subject matter. — eB Beas 
ARTICLES IN JOURNALS.* 
Bot. someone A og ra) — EK. H. L. Krause, ‘ Floristische 
Notizen.’ — (Nos. 5-7). J. F. Zawodny, ‘Die Entwickelung der 
Znaimer Gurke.’ — N. J. Ku usnezow, ‘ Der Bot. Gacten ia Kaiser- 
lichen Universitat zu Jurjew (Dorpat).’ — (Nos. 6,7). F. Hilde- 
Parapad ‘Ueber eine zygomorphe Fuchsia-Bliite.’ — (No. 8). B. 
Nemec, ‘ Zur Physiologie der Kern- und Zelltheilung. *_O. Kuntze, 
Protest gegen die Schweinfurth’sche Erklirung.’ — (No. 9). H. 
de Vries, ‘ Ueber die Abhangigkeit de Fasciation vom Alter.’ 
Di I. MacDo ougal, ‘Transmission of impulses in iets, ae — ty 
Kuntze, ‘ Ueber Puccinia und betreffende Magnus’sche Kinw 
Bot. Gazette (21 Jan.). — E. Warming, ‘ The Vacgeiadions of 
Tropical America.’—E. ordan, ‘The production of fluorescent 
pigment by bacteria.’ — O. W. Caldwell, ‘Life-history of Lemna 
minor. 
Bot. Notiser (2 Feb.). — 8. Murbeck, ‘ Die nordeuropischen 
—- der Gattung Rumex,’ —N., Svedelius, ‘ Microspongium gela- 
tinosu 
* The dates asgigned to the numbers are those which appear on their covers 
or title- peer. but it must not always be inferred that this is the actual date of 
pu 
