. Botany for high schools. Botany. ECONOMIC OR USEFUL PLANTS 403 DICOTYLEDONES. 568. The ament-bearing plants.—These include three orders which resemble each other in that the flowers, at least the staminate ones, are in aments or catkins. The flowers are either monrrcious or dioecious and very much reduced, the floral envelopes being reduced to mere scales. They are as follows: The willow order (Salicales), including the willows, pop- lars (Lombardyand trembling poplars), and the cottonwoods, has. Fig. 390. Cannabis sativa. Breaking hemp on hand brakes in Kentucky. The dark stripes across the

. Botany for high schools. Botany. ECONOMIC OR USEFUL PLANTS 403 DICOTYLEDONES. 568. The ament-bearing plants.—These include three orders which resemble each other in that the flowers, at least the staminate ones, are in aments or catkins. The flowers are either monrrcious or dioecious and very much reduced, the floral envelopes being reduced to mere scales. They are as follows: The willow order (Salicales), including the willows, pop- lars (Lombardyand trembling poplars), and the cottonwoods, has. Fig. 390. Cannabis sativa. Breaking hemp on hand brakes in Kentucky. The dark stripes across the Stock Photo
Preview

Image details

Contributor:

Library Book Collection / Alamy Stock Photo

Image ID:

RH8H0R

File size:

7.1 MB (635.6 KB Compressed download)

Releases:

Model - no | Property - noDo I need a release?

Dimensions:

2011 x 1242 px | 34.1 x 21 cm | 13.4 x 8.3 inches | 150dpi

More information:

This image is a public domain image, which means either that copyright has expired in the image or the copyright holder has waived their copyright. Alamy charges you a fee for access to the high resolution copy of the image.

This image could have imperfections as it’s either historical or reportage.

. Botany for high schools. Botany. ECONOMIC OR USEFUL PLANTS 403 DICOTYLEDONES. 568. The ament-bearing plants.—These include three orders which resemble each other in that the flowers, at least the staminate ones, are in aments or catkins. The flowers are either monrrcious or dioecious and very much reduced, the floral envelopes being reduced to mere scales. They are as follows: The willow order (Salicales), including the willows, pop- lars (Lombardyand trembling poplars), and the cottonwoods, has. Fig. 390. Cannabis sativa. Breaking hemp on hand brakes in Kentucky. The dark stripes across the field show where the hemp has been spread for retting. After lying on the ground from 8 to 12 weeks it is set up in shocks to dry, and is then broken and the fiber cleaned by whipping it across the brake. One man with a hand brake will average about 75 pounds of cleaned fiber per day. From Fiber Investigations, U. S. Department of Agriculture. both kinds of flowers in catkins. Certain willows are cultivated for making baskets. The walnut order (Juglandales) includes the walnut, butternut, and hickory trees. The staminate flowers only are borne in catkins. The heech order (Fagales) includes the beech, birch, hazelnut, alder, oaks, chestnut, etc. The staminate flowers here are also in catkins, and the fruits as acorns in the oaks, burs in the chestnut, etc., are well known. These three orders include many valuable trees for lumber, the most valuable being the walnut, hickory, oaks, beech, birch, and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Atkinson, George Francis, 1854-1918. New York, H. Holt and Company