 | American Institute of Homeopathy. Committee on Pharmacopeia - 1897 - 688 páginas
...bark and very brittle branches at the base. The leaves have small deciduous stipules, are alternate, narrowly-lanceolate, pointed and tapering at each...serrate, smooth (except on the petioles and midrib), green on both sides. The flowers appear in May and June in peduncled catkins on the summit of the lateral... | |
 | American Institute of Homeopathy. Committee on Pharmacopoeia - 1897 - 690 páginas
...bark and very brittle branches at the base. The leaves have small deciduous stipules, are alternate, narrowly-lanceolate, pointed and tapering at each...serrate, smooth (except on the petioles and midrib), green on both sides. The flowers appear in May and June in peduncled catkins on the summit of the lateral... | |
 | Samuel Herbert Aurand - 1899 - 446 páginas
...rough and black and the branches are very brittle at the base. The leaves are narrowly lanceolate, pointed and tapering at each end, serrate, smooth (except on the petioles and midrib), and green on both sides. The flowers appear in peduncled catkins on the summit of the lateral leafy... | |
 | 1904 - 564 páginas
...along streams, especially southward. It has a rough, black burk. Leaves lanceolate and lance-linear, pointed and tapering at each end, serrate, smooth (except on the petioles and midrib), and green on both sides; stipules small, deciduous; scales short and rounded, villous; stamend three... | |
 | Andrew Samuel Fuller - 1910 - 312 páginas
...feet high, along the banks of streams from Pennsylvania, northward through British America. S. nigra, Marshall. — Black Willow. — Leaves narrowly-lanceolate,...across the continent, being plentiful in California. FOREIGN SPECIES AND VARIETIES. Among the foreign species of the willow, there are quite a number that... | |
 | American Institute of Homeopathy. Committee on Pharmacopeia - 1914 - 696 páginas
...bark and very brittle branches at the base. The leaves have small deciduous stipules, are alternate, narrowly-lanceolate, pointed and tapering at each...serrate, smooth (except on the petioles and midrib), green on both sides. The flowers appear in May and June in peduncled catkins on the summit of the lateral... | |
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Leaves lanceolate and lance-linear, pointed and tapering at each end, serrate, smooth (except on the petioles and midrib), and green on both sides; stipules small, deciduous; scales short and rounded, villous; stamens three to six ; pods mostly short-ovate. 
