Gray's School and Field Book of Botany: Consisting of "Lessons in Botany," and "Field, Forest, and Garden Botany," Bound in One Volume

Ivison, Blakeman, Taylor,, 1872

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Σελίδα 270 - ... stamens as many as the lobes of the corolla and alternate with them, and the leaves opposite, simple, entire, and sessile, without stipules.
Σελίδα 97 - ... gradations, that it is impossible to say where the one ends and the other begins.
Σελίδα 144 - The size of the common cells of plants varies from about the thirtieth to the thousandth of an inch in diameter. An ordinary size is from...
Σελίδα ii - In the Clerk's Office of the District Court of the United States for the Southern District of New York. ENTERED, according to Act of Congress, in the year 1875, by D. APPLETON & COMPANY, In the Office of the Librarian of Congress, at Washington. PREFACE, THE
Σελίδα 72 - ... but different in different plants. If we draw a line from the insertion (ie the point of attachment) of one leaf to that of the next, and so on, this line will wind spirally around the stem as it rises, and in the same species will always have just the same number of leaves upon it for each turn round the stem. That is, any two successive leaves will always be separated from each oilier by just an equal portion of the circumference of the stem.
Σελίδα 218 - Habit : the general aspect of a plant, or its mode of growth. Habitat : the situation in which a plant grows in a wild state. Hairs: hair-like projections or appendages of the surface of plants. Hairy : beset with hairs, especially longish ones. Halberd-shaped, or Halberd-headed: see hastate.

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