the Green-house, hot-house, and stove. 
521 
producing a fresh volume of herb annually, 
require much larger pots than the slender- 
rooted Selago, or Chironia. Instead of cal- 
culating by the size, number, or nature of the 
roots, it is too general a practice to calculate 
by the size of the plant only. 
" Azalea. — The Chinese varieties of this 
splendid genus strike by cuttings of the young 
wood taken off close to the ripened shoots, 
planted in sand, and placed under a bell-glass 
in a mild bottom heat. The best soil for 
grown-up plants is a sandy, turfy peat, and the 
best situation the most sunny while in the 
green-house, till after they flower, when they 
may be placed out of doors, but not in an 
exposed place. They must be kept in a cool 
pit during winter, and taken into the house in 
February or March, to produce their flowers. 
"Indigofera. — This genus seeds freely, 
from whence young plants may be obtained, 
the seeds to be sown as soon as ripe. They 
also increase by cuttings, planted in sand and 
placed in a cool situation. The best soil for 
them is light sandy loam and peat, the larger 
proportion of the latter. 
" Pimelia. — Cuttings of the young wood 
root freely, planted in sand and placed upon a 
slight warmth without bell-glasses. They 
often seed abundantly, and in this case should 
be sown in fine sandy peat soil, slightly 
covered, and placed in a cool situation near 
the glass. Sandy peat with a portion of vege- 
table fibre is the best soil for them. 
" Polygala. — This fine flowering genus 
requires the same soil and treatment as the last. 
" Chironia is propagated by cuttings 
taken off in spring, planted in sand, and 
covered with a bell-glass in a cool situation. 
A light sandy loam and peat is the most suit- 
able for them. 
"Protea. — This fine genus has been sub- 
divided into various new genera. The species 
which are natives of the Cape of Good Hope 
are almost all splendid when in flower ; but it 
is to be regretted that so few of them are at 
present to be found in our gardens. The late 
collectors, Niven and Mason, sent many species 
to the Kew Garden, and also to the Hammer- 
smith Nursery ; but in both collections few of 
them are now to be seen. A rich, loamy soil 
is suitable to the majority of them. They are 
very difficult to increase by cuttings, but seeds 
of them can readily be obtained from the Cape, 
and occasionally they ripen seeds in this 
country. 
" Roella is multiplied by cuttings of the 
young wood, planted in sand, and placed on a 
slight heat under a glass. The grown-up 
plants prefer a sandy peat alone, and small 
pots. 
" Salvia. — No genus of plants strikes more 
freely, or is grown with less trouble. 
" Selago. — The young shoots root freely 
in sand under a glass in a cool place. Light 
loam and peat, of each equal parts, will grow 
them to perfection. 
" Swansonia. — Seeds are readily produced, 
and vegetate freely if sown in pint and loam. 
Cuttings root with little difficulty, but seed- 
lings make the best plants. 
"Acacia. — This numerous and free- 
flowering family do not readily increase by 
cuttings, but full-grown specimens seed abun- 
dantly. A. pubescens, one of the most splendid 
of the family, is increased by cuttings of the 
roots, which should be planted in peat and 
loam, and placed in a mild, moist temperature. 
Seeds are occasionally produced. But the 
facility of procuring seeds of most of the 
genera from New Holland renders these plants 
plentiful in our gardens. 
" Anthocercis. — Cuttings of the half- 
ripened shoots, planted with sand, root when 
placed in a cool situation, and sometimes those 
of the young shoots also succeed when placed 
in a slight heat, covered with a bell-glass. It 
is by no means a genus that is rapidly propa- 
gated, nor is it without care that the plants 
will live long. The most airy situation in the 
green-house is the best for them. 
" Genista, Goodia, Podalyria, and Cro- 
talaria, will all strike by cuttings of the 
young wood, planted in sand, and kept cool ; 
but the best method of increasing them 'is by 
seeds, which they produce freely when the 
plants are full-grown. These should be sown 
in peat and loam, the soil they prefer when 
full-grown. 
" Gnidia. — This genus is easily propagated 
by cuttings of the young wood, planted in sand, 
and placed under a glass. The soil they prefer 
is light loam and peat. 
" Linum. — The shrubby species of this genus 
root freely from cuttings of the young wood, 
and the herbaceous or soft-wooded kinds pro- 
duce seeds freely, which should be sown in 
peat and loam, the soil the plants thrive best 
in. 
" Calceolaria. — The shrubby species and 
varieties of this fine-flowering tribe root readily 
by cuttings planted in finely-sifted, light, rich 
mould, and the herbaceous sorts divided at the 
roots, and both produce seeds which vegetate 
freely if sown on the surface of pots of fine, 
light, rich mould, in February. When they 
have vegetated, as soon as they will move, the 
seedlings should be planted out into other pots, 
and kept in a very slight heat to forward them. 
By the latter end of May or the beginning of 
June they will be fit to plant out into a rather 
cool shaded border, when they will flower till 
the end of autumn. From these the finest 
varieties should be selected, potted in autumn, 
and kept in a cool pit or green-house during 
