Pamphlets on Dendrology, Volume 41907 - Trees |
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Common terms and phrases
Acad acuminate acute American species apex base Beaucarnea beneath Botanical miscellanies botanique bracts branches broad broadly buds Bull Bursera C. G. Pringle calyx carpels City of Mexico Collected by J. N. corolla cuneate Dalea Dasylirion densely Engler flora flowers foliage fruit Genève genus glabrate glabrous glands glaucous Gray green hairy Herb Hidalgo Hist inflorescence Ionoxalis J. N. Rose Journ La Guaira lanceolate leaves Linn lobes Lopezia margin meters high Mexican mountains nearly Nolina Oaxaca oblong obovate obtuse odd leaflet orbicular ovary ovate Pachuca Palmer Parosela pedicels peduncles petals petioles Pittier plantarum plants PLATE Proc Ptelea puberulent pubescent racemes Reprinted retuse Robinson & Lyon rugose samaras Sapium seeds sepals sessile short shrub slender specimens stamens stems stipe style subcoriaceous Tehuacán Terebinthus tree twigs Type U. S. National U. S. Dept U. S. National Herbarium Washington Wats wing
Popular passages
Page 14 - SCLATER, appointed for the purpose of reporting on the present state of our knowledge of the Zoology and Botany of the West India Islands, and taking steps to investigate ascertained deficiencies in the Fauna and Flora.
Page 440 - ADVERTISEMENT. The United States National Herbarium, which was founded by the Smithsonian Institution, was transferred in the year 1868 to the Department of Agriculture, and continued to be maintained by that department until July 1, 1896, when it was returned to the official custody of the Smithsonian Institution. The Department of Agriculture, however, continued to publish the series of botanical reports entitled "Contributions from the United States National Herbarium...
Page 130 - A Catalogue of the Flowering Plants and Higher Cryptogams growing without cultivation within thirty miles of Yale College.
Page 25 - Lonicera grata. Bull. Torr. Bot. Club, XI, 76. A Revision of the North American species of the Genus Oxytropis, DC. Proc. Am. Acad., xx, 1-7. Notes on the Movements of the Audrcecium in sunflowers.
Page 433 - Larix alaskensis differs from L. laricina in its usually shorter leaves, but more particularly in its cones. The cone scales are longer in proportion to their breadth ; the bracts of the cone scales are ovate and without a projecting mucronate point at the apex, while L.
Page 9 - Texte synoptique des documents destinés à servir de base aux débats du Congrès international de nomenclature botanique de Vienne en 1905.
Page 22 - Characters of some new Genera of Plants, mostly from Polynesia, in the Collection of the United States Exploring Expedition, under Captain Wilkes.
Page 433 - A small tree, attaining a maximum height of about 9 m. and a diameter of 20 cm. ; leaf-fascicles at the ends of branches 3 to 5 mm. long ; leaves pale green, 5 to 20 mm. long, about 5 mm. broad, rounded on the upper surface, slightly keeled on the lower; cones borne at the ends of lateral branchlets 3 to 5 mm. long, ovoid or short-oblong, 10 to 15 mm. long, 9 to 12 mm. broad; cone scales slightly longer than broad, the larger ones 8 to 10 mm. long, 7 to 9 mm. broad, rounded at the apex, abruptly...
Page 85 - Three thousand fence posts, sufficient to support a wire fence around 8,000 or 9,000 acres, have been made from one of these giants, and that was only the first step toward using its huge carcass. Six hundred and fifty thousand shingles, enough to cover the roofs of seventy or eighty houses, formed the second item of its product. Finally there still remained hundreds of cords of firewood which no one could use because of the prohibitive expense of hauling the wood out of the mountains.
Page 85 - Each had its own system of repair. 139 years of growth followed, including the time occupied in covering the the wounds. 1580 AD at 1,851 years of age occurred another fire causing a burn on the trunk two feet wide which took 56 years to cover with new tissue. 217 years of growth followed the burn. 1797 AD when the tree was 2,068 years old a tremendous fire attacked it burning...