Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 68American Philosophical Society, 1929 |
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Сторінка 21
... collected on the screes above Lake Agnes in the Canadian Rocky mountains on August 24 , 1926 , is placed definitely among the scree - coverers by Dr. Schroeter , as it is a plant of the European Alps also . It forms in America , as in ...
... collected on the screes above Lake Agnes in the Canadian Rocky mountains on August 24 , 1926 , is placed definitely among the scree - coverers by Dr. Schroeter , as it is a plant of the European Alps also . It forms in America , as in ...
Сторінка 22
... collected by the writer . Cryptogramma acrostichoides R. Br . The parsley fern has a tufted habit with fertile fronds taller than the sterile . The numerous stipes are straw colored . This common fern grows abundantly on the screes ...
... collected by the writer . Cryptogramma acrostichoides R. Br . The parsley fern has a tufted habit with fertile fronds taller than the sterile . The numerous stipes are straw colored . This common fern grows abundantly on the screes ...
Сторінка 89
... collected by me comprise Leptodontium citrinum Hamp and Macromitrium sp . The polypody fern , Polypodium typicum Fee , was common on trees in the campos forest . A pepper plant , Peperomia trineura Miq . was collected as an epiphytic ...
... collected by me comprise Leptodontium citrinum Hamp and Macromitrium sp . The polypody fern , Polypodium typicum Fee , was common on trees in the campos forest . A pepper plant , Peperomia trineura Miq . was collected as an epiphytic ...
Зміст
Mans Future in the Light of His Past and Present By ALEŠ | 1 |
The Vegetation of the Screes or Talus Slopes of Western North | 13 |
Saxifraga Tolmiei Torr Gray a screecoverer | 20 |
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