HOY 
HYA 
H. Celsii is altogether without a rival in 
this respect; the only objectionable fea¬ 
ture in the genus is its aptitude to grow 
naked and straggling. To obviate this 
the plants should be frequently stopped 
while they are young, and the older ones 
cut back immediately after blooming to 
within a joint or two of the base of the 
new wood. They delight in fibrous peat, 
with plenty of sand and abundant drain¬ 
age ; an airy situation in the greenhouse 
through the winter and spring, and a 
sheltered one in the open air through 
the summer, with plenty of water at this 
period, is most proper for them. II. 
Celsii, H. Manglesii, II. linearis, and H. 
pungens multiflora, are most desirable. 
HOY A (R. Brown.) Nat. Ord. Ascle- 
•piculacere. One species, H. carnosa, or 
wax-plant, is well known in gardens and 
may be taken as the type of the genus; 
all the species are beautiful, but none 
more eminently so than the plant men¬ 
tioned. They should be grown in a 
warm greenhouse, in rich loamy soil well 
drained; the stems require support, and 
should be trained so as to receive the 
full influence of the sun; the flowers 
are produced for several years succes¬ 
sively on the same foot-stalk. 
HUMEA (Smith.) Nat. Or. Compo¬ 
site. Tliis plant should be raised from 
seed every season, sown in a gentle hot¬ 
bed about March; the young plants 
should be potted singly, and preserved 
in a pit till the following year, when 
they may either lie placed in large pots, 
or planted into the open border when 
danger from frost is past. When grown 
freely in rich soil nothing can exceed the 
elegance of its large feathery spike of 
flowers, highly and appropriately con¬ 
trasted with its large ample foliage. 
HYACINTHUS (Linn.) Nat. Ord. 
Liliacece. H. orientals, the common 
Hyacinth, is an universal favorite in the 
most extended application of the word; 
the number of its varieties is now fully 
equal to that of any other florist’s flower, 
and great improvement is observable in 
those of recent origin. They are usually 
grown for forcing into flower in the dull 
cheerless months of winter and early 
spring, when their lovely-coloured blos¬ 
soms and rich fragrance lend a charm 
not otherwise to be found; they are 
equally desirable for planting in the 
beds of the flower-garden. Bor forcing, 
the bulbs should be potted about the 
middle of September in small pots of 
rich light earth, and placed in a cold 
frame or under a wall, where they can be 
covered with wooden shutters or some 
similar contrivance to keep off heavy 
rains; in either case they should be co¬ 
vered a foot thick with old dry tan, or 
newly-fallen leaves are preferable, and 
being once well watered soon after pot¬ 
ting, may be left for a month to form 
their roots, when the most forward should 
be brought out, and after repotting into 
larger pots according to the apparent 
strength of the bulbs, should be placed 
in a gentle heat. Some care is neces¬ 
sary in the application and increase of 
this, or the flowers will be abortive; it 
should not exceed 50° for the first three 
weeks, but afterwards mav be increased 
gradually to 60° or 65°, and if the pots 
are plunged into bottom heat the same 
careful increase should be observed, or 
the points of the roots will infallibly be 
killed. One third the depth of the pot 
is fully sufficient at first, and if the heat is 
brisk they should not fie plunged more 
than half way at any time. When the 
bloom-stems have risen to nearly their 
full height, and the lower flowers of the 
spike are beginning to expand, the plants 
should be removed to a lower tempe¬ 
rature, usually afforded by the green¬ 
house, and when fully blown, they can be 
taken to the sitting-room, or wherever 
their presence is desired, observing to 
protect them from sudden changes or 
cold draughts of air, and the water given 
to them should be moderately warm. 
Hyacinths in glasses are an elegant 
and appropriate ornament to the draw¬ 
ing-room, and for this purpose occasion 
little trouble; the roots should be pro¬ 
cured and placed in the glasses as early 
in the season as possible; keeping them 
in the dark until their roots are pro¬ 
truded, after which the lightest position 
that can be afforded is the best; the 
water in which they grow should be 
I changed twice or thrice a week, and in 
