The American Botanist; Devoted to Economic and Ecological Botany Volume 10-14

The American Botanist; Devoted to Economic and Ecological Botany Volume 10-14

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 edition. Excerpt: ...but usually goes into the herbarium instead of the pot when found. The bracken (Pteris aquilina), dried and pressed into cakes, is said to be a regular article of commerce in Japan.--ED. TWINNED PISTILS IN PARTRIDGE PEA.--In the late autumn of 1905 while on a botanical excursion with a party of students I found that on a specimen of partridge pea (Cassia C hamaecrista) one of the flowers had twinned pods. This hint suggested looking for more, and on our next excursion we carefully examined the plants in a dense growth of this species which we passed through, with the results that we found many twinned pods, and several cases where the pods were in threes. In most cases we found them only after the petals and sepals had fallen, but in several flowers the two pistils were found while the flower leaves were still present. The occurrence of more than one pistil in flowers of certain leguminous genera is well known to botanists, but I venture to say that probably few readers of the AMERICAN BOTANIST are aware that by a little close searching they may be seen in this common plant.--Prof. Charles E. Bessey, Lincoln, Neb. Tm: P1s'r.-xcmo N ur.--The pistachio nut, an account of which was given in the last number is derived from Pistachio Vera, one of the Anacardiaccae.--W. W. B. PUBESCENCE or PLANTs.--I was interested in a note appearing in the February number of this magazine on the protective covering of plants. Here in the vicinity of Los Angeles there are comparatively few plants entirely free from pubescence, the percentage of "protected" plants among the five largest families being about as follows: Compositae, 77%; Cruciferae,7 3%; Leguminosae, 70%; Scrophulariaceae, 69%; and Umbelliferae, 23%. The very marked difference...
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Product details

  • Paperback | 190 pages
  • 189 x 246 x 10mm | 349g
  • United States
  • English
  • black & white illustrations
  • 1236926021
  • 9781236926029