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 ...
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 ...
A STRIKING feature of botany as the science XJL exists at prej ift is the lack of any coherent body of comp£"n?ive morphological doctrine dealing with bd aimKspernis. There are no books on the ...
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, ...
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