Page images
PDF
EPUB

are absent; or, if they never lose those organs, as evergreens, only at seasons when the atmosphere is periodically charged with humidity for some considerable time.

367. Old trees, in which the roots are much injured, form new ones so slowly that they are very liable to be exhausted of sap by the absorption of their very numerous young buds before new spongioles can be formed.

368. The amputation of all their upper extremities is the most probable prevention of death; but in most cases injury of their roots is without a remedy.

369. Plants in pots, being so circumstanced that the spongioles are protected from injury, can, however, be transplanted at all seasons without any dangerous, consequences.

[merged small][ocr errors][merged small][merged small][ocr errors]

INDEX.

A.

Amaryllis—how to cultivate..
Anemone and Ranunculus.
Air and Light.

PAGE

62

63
.152

B.

Biennial flower seed-....

31
catalogue of..

33
Budding

55
Bulbous plants-cultivation of...

58
roots-management of..

60
Bulbs-winter management of.......

61
Bulbous roots-culture of, in pots or glasses, in the winter season... 89

[ocr errors][merged small][merged small][merged small][merged small][merged small][merged small]
[blocks in formation]

55

Grafting ...
Gladiolus
Green-house plants-general management of.....

management of, in cold weather.
watering of.......

management of, in warm weather.
Green-house flowers-time to transplant.

91
.115

.116
..121
..123

H.

54
59

Hardy flowering shrubs......
Hyacinths and bulbous roots_difference between...
Hyacinth.......
Heat essential to the growth of plants..

95

[merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small]
« PreviousContinue »