THE first edition of Prof. Stevens's work was reviewed in NATURE for July 9, 1908 (vol. lxxviii., p. 219). The present issue has been enlarged by the addition of a chapter on reproduction, and the ...

Many people who appreciate cannabis are most familiar with just two parts of the marijuana plant—the flowers that they smoke and the leaf, which has become an iconic image of pot culture. But how do ...

BOTANISTS for several years past have felt the heed of a comprehensive text-book on the anatomy of plants worthy to take the place of de Bary's classic book published in 1877. As Prof. Jeffrey says: ...

Stem traits were analysed in laboratory-grown seedlings of 80 European woody and semiwoody species of known potential relative growth rate (RGR) and of similar ontogenetic phase. The objectives were, ...