 As the season advances, this hoariness increases, it becomes cottony, and toward the middle or end of summer, the under sides of some of the branches are invested with a thick, downy substance, so long as, at times, to be sensibly agitated by the air....  Insect Miscellanies - Page 178by James Rennie - 1831 - 414 pagesFull view - About this book
 | 1829 - 632 pages
...being known in some orchards by the more significant name of "white blight." In the spring of the year, a slight hoariness is observed upon the branches of...this hoariness increases ; it becomes cottony; and towards the middle or end of summer, jthe under sides of some of the branches are invested with a thick... | |
 | James Rennie - Insects - 1829 - 342 pages
...being known in some orchards by the more significant name of ' white blight.' In the spring of the year a slight hoariness is observed upon the branches of...thick, downy substance, so long as, at times, to be sensibly agitated by the air. Upon examining this substance, we find that it conceals a multitude of... | |
 | John Leonard Knapp - Animals - 1831 - 330 pages
...being known in some orchards by the more significant name of "white blight." In the spring of the year a slight hoariness is observed upon the branches of...increases, it Becomes cottony, and toward the middle or the end of summer the under sides of some of the branches are invested with a thick, downy substance,... | |
 | James Rennie, John Obadiah Westwood - Insects - 1833 - 302 pages
...being known in some orchards by the more significant name of 'white blight.' In the spring of the year a slight hoariness is observed upon the branches of...As the season advances, this hoariness increases, il becomes cottony, and towards the middle or end oi summer, the under sides of some of the branches... | |
 | Philip Miller - 1834 - 250 pages
...and oversights of the author, we shall now follow. Early in summer, and even in spring, about March, a slight hoariness is observed upon the branches of...orchard fruit. As the season advances this hoariness inereases, and becomes cottony ; and toward the middle or the end of summer, the upper sides of some... | |
 | Railroad engineering - 1834 - 436 pages
...hoariuess is observed upon the branchée of certain specie» of our orchards. As the season advance* this hoariness increases, it becomes cottony, and...toward the middle or end of summer, the under sides 01 some of the branches are invested with a thick downy substance, «o long as at limes to be sensibly... | |
 | Christian life - 1835 - 480 pages
...lanigera) has been very destructive to our apple-trees. It is thus described by Mr. Knapp: "In tie spring of the year," says he, " a slight hoariness...cottony, and toward the middle or end of summer, the under-sides of some of the branches are invested with a thick downy substance, so long, as at times... | |
 | John Leonard Knapp - Natural history - 1838 - 490 pages
...orchards by the more significant name of " white blight." In the spring of the year a slight heaviness is observed upon the branches of certain species of...increases, it becomes cottony; and toward the middle or the end of summer the under sides of some of the branches are invested with a thick, downy substance,... | |
 | Cuthbert William Johnson - Agricultural chemistry - 1842 - 1364 pages
...and oversights of the author, we shall now follow. Early in summer, and even in spring, about March, a slight hoariness is observed upon the branches of...fruit. As the season advances this hoariness increases, and becomes cottony; and toward the middle or the end of summer, the upper sides of some of the branches... | |
 | Sketches - Agriculture - 1848 - 422 pages
...with, is given in the Journal of a Naturalist, and is as follows : — " In the Spring of the year a slight hoariness is observed upon the branches of...this hoariness increases; it becomes cottony, and towards the middle or end of summer, the under sides of some of the branches are invested with a thick... | |
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