 ... from a few grains to several ounces. These soon bleach and whiten upon exposure to the light of the sun, finally becoming nearly colorless, semitransparent, and often filled with minute fissures. Specimens collected from the trunks of the trees were...  Maryland and Virginia Medical Journal - Seite 1171855Vollansicht - Über dieses Buch
 | 1855 - 424 Seiten
...weighing each from a few grains to several ounces. These soon bleach and whiten upon exposure to the light of the sun, finally becoming nearly colorless,...when it may be obtained in the greatest abundance and with but little trouble. The quantity yielded by each tree I found to vary from an ounce to three pounds... | |
 | 1855 - 424 Seiten
...weighing each from a few grains to several ounces. These soon bleach and whiten upon exposure to the light of the sun, finally becoming nearly colorless,...when it may be obtained in the greatest abundance and with but little trouble. The quantity yielded by each tree I found to vary from an ounce to three pounds... | |
 | 1855 - 508 Seiten
...weighing each from a few grains to several ounces. These soon bleach and whiten upon exposure to the light of the sun, finally becoming nearly colorless,...when it may be obtained in the greatest abundance and with but little trouble. The quantity yielded by each tree, varies from an ounce to three pounds, but... | |
 | 1855 - 424 Seiten
...weighing each from a few grains to several ounces. These soon bleach and whiten upon exposure to the light of the sun, finally becoming nearly colorless,...when it may be obtained in the greatest abundance and with but little trouble. The quantity yielded by each tree I found to vary from an ounce to three pounds... | |
 | 1855 - 800 Seiten
...weighing each from a few grains to several ounces. These soon bleach, and whiten upon exposure to the light of the sun, finally becoming nearly colorless,...August, and September; but the most favorable period for thai purpose is in the latter part of August, when it may be obtained in the greatest abundance, and... | |
 | 1855 - 424 Seiten
...weighing each from a few grains to several ounces. These soon bleach and whiten upon exposure to the light of the sun, finally becoming nearly colorless,...months of July, August, and September ; but the most faTorable period for that purpose is in the latter part of August, when it may be obtained in the greatest... | |
 | 1855 - 786 Seiten
...weighing each from a few grains to several ounces. These soon bleach and whiten upon exposure to the light of the sun, finally becoming nearly colorless,...The gum may be collected during the months of July, Augustand September, but the most favorable period for that purpose is in the latter part of August,... | |
 | 1855 - 884 Seiten
...bark not only greatly facilitates its exudation, but causes the tree to yield a much greater amount. The gum may be collected during the months of July,...when it may be obtained in the greatest abundance and with but little trouble. By proper care and attention, I am of the opinion that a sufficient quantity... | |
 | David Ames Wells - 1856 - 424 Seiten
...each weighing from a few grains to several ounces. These soon bleach and whiten upon exposure to the light of the sun, finally becoming nearly colorless,...when it may be obtained in the greatest abundance and with but very little trouble. The quantity yielded by each tree I found to vary from an ounce to three... | |
 | David Ames Wells - 1856 - 424 Seiten
...each weighing from a few grains to several ounces. These soon bleach and whiten upon exposure to the light of the sun, finally becoming nearly colorless,...when it may be obtained in the greatest abundance and with but very little trouble. The quantity yielded by each tree I found to vary from an ounce to three... | |
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