AN ENCYCLOPAEDIA OF HORTICULTURE. 7 
ae 
- Acacia—continued. ~ 
pairs of pinnz, each pinna bearing fifteen to eighteen pairs of 
along Saee obtuse, paas leaflets ; branches white ; plies 
some wanting. h, 20tt. Arabia, 1823, Stove species. 
A. setigera (bristly). Synonymous with A. Riceana. 
A. sophoræ (sophora-podded). fl. yellow; spikes usually twin 
4 . May. & pusia obovate, oblong oe an id uite 
entire, many nerved ; sometimes-there are bipinnate leaves at the 
tops of the branches. h. 20ft. New Holland, 1805. A 
A. sphærocephala (round-headed).* fl. yellow; racemes axillary, 
usually twin, ovate-roundish. l. with numerous close-set linear 
4 falcate pinnules, which are usually tippéd by a glandular yellow 
4 “food body ;” spines twin, hollow. Mexico, A very remarkable 
=- stove species, inhabited by ants during certain seasons in its 
native country, 
A. uncinifolia (hook-leaved). pe yellow; spikes usually twin, 
dense, on short peduncles, cylindrical. March. 1. phyllodia long, 
linear-subulate, flat, recurved, mucronate, three-nerved; branches 
angular, h. 6ft. Swan River, 1846, 
A. vera (true). Egyptian Thorn; Gum Arabic. fl. white, usually 
in twin heads, pedunculate, axillary. July. l with two 
pairs of pinn#, each pinna bearing eight to ten pairs of 
ue linear leaflets ; branches and spines red. k, 20ft. Egypt, 
Fro. 5. A FLOWERING BRANCH OF ACACIA RICEANA, 
A. verticillata (whorl-lea: * ow; ikes axilla E goli- 
tary, oblo: March. 1. Siaa s ending in a pungent 
mucrone, disposed somewhat verticillately. h. 6ft. to 10ft. A 
spreading Ee greenhouse species, of variable habit. New 
Holland, 1780. 
A. vestita (clothed).* f. yellow, in loosely racemose heads, along 
f the peduncles ; upper ones solitary. June. 1, phyllodia obliquely 
7 elliptic-lanceolate, one-nerved, ending in an awnlike mucrone, 
: hispid. A. 4ft. New Holland, 1820. 
A. viscidula (clammy).* /. yellow; heads globular, on short 
stalks, axillary, solitary or twin. February. @ linear, clammy; 
branches slender, clammy. A. 6ft., erect. New South Wales, 
ACZINA (from akaina, a thorn; in allusion to the 
slender spines on the calyx or fruit). ORD. Rosacea. A 
s genus of dwarf sub-shrubby plants. Flowers capitate, or 
interruptedly spicate, uninteresting; petals absent. Leaves 
mE te, impari-pinnate. Excepting for rockwork, or as 
edgings to flower beds, they are not of much value; their 
habit is, however, very compact and neat. They require 
similar treatment to other hardy herbaceous plants, in 
ordinary soil. Increased by cuttings, creeping rootlets, 
y seeds. 
divisions, and by 
A. meeeT ee small-leayed).* ll, in close heads, 
furnish th if oom. Ae. i. small, 
8 owy, 4 ines. 
pinnate. h. lin. to 2in. Now Zealand. A neat evergreen with a 
compact and cushion-like } itis a very effective subject for 
the rock garden, and grows in most situations. The 
crimson iolar heads of spine-formed calyces form a conspicuous 
ind ornamental feature of the plant, SYN. A. Novæ Zealandice. 
flowers; 
Aczna—continued. 
A. millefolia (myriad-leaved).* fl. inconspicuous. A very f 
species with finely-cut pale n leaves. The fruiting spikes of 
this are not collected in globular heads, as in the oth Bee 
their presence detract from its value as an ornamental plant. = 8 
Otherwise, it is very graceful. Bo aT 
Fic. 6. ACÆNA MICROPHYLLA. 
A. m hylla (many-leaved).* f. green, small, in rounded 
Bw i pen l. pinnate; leaflets deeply cut. h. 6in. to lft. 
Chili, 1828 Small, fern-like. 
A. poe Zealandiz (New Zealand). A synonym of A. micro- 
phyla. 
A. ovalifolia (oval-leaved). jl. green. Summer. h. 9in. Chili, 
1868. Good for rock gardens, 
A. pulchella (pretty).* jl. inconspicuous. A- pretty bronzy- 
leaved species, admirably suited for rockwork crevices, where 
poo is no object. It grows very rapidly, and forms handsome 
ACALYPHA (the name given by Hippocrates to the 
Nettle).. ORD. Euphoribiacee. - Stove ornamental and 
variegated nettle-like leaved shrubs. Flowers greenish or 
reddish, inconspicuous, in erect or drooping bracted axillary 
or terminal spikes; those of the upper portion sterile, of 
the lower, fertile. The undermentioned only are those-most 
worthy of cultivation. "They -ase-very Gaal grown, with 
ordinary stove treatment, and in a peat and loam compost. 
When well cultivated, the leaves of the hybridised varieties 
are highly coloured, but rather coarse than otherwise. In- 
creased by cuttings under a glass in sandy soil, in stove 
heat, during April. 
A. Macafeeana (Macafee’s). l red, blotched with bronzy crim- 
son. 1877. 
A. macrophylla (large-leaved).* I. cordate ovate, russet brown, 
blotched with paler spots. The best and handsomest stove 
species. 
A. ee L large, very hairy, ovate-acuminate, 
centre brown, with a distinct margin of rosy carmine, about jin, 
wide. Fiji Islands, 1875. a 
A. musaica (mosaic).* l bronzy green, variegated with orange 
and dull red. Polynesia, 1877. 
A. torta (twisted). 7. dark olive, tinted green; margin cut 
into blunt, oblong segments. Samoan Islands. Remarkable i 
for its curiously contorted foliage. It has erect stems, whicl 
are terete, and covered by the leaves in a very war 
way. er 
A. tricolor (three-coloured), A synonym of A. Wilkesiana. 
A. Wilkesiana (Wilkes’).* 7, ovate-acuminate, curiously blotched, 
ith red and crimson; 
mottled, and splashed „wi : pund colour 
coppery green. h. 6ft."to 10ft. New Hebrides, Syn, A, 
tricolor. g F 
W. ta (Wilkes’s margined),* 1 large, olive brown, 
margined with rosy carmine. Fiji Islands, 1875, 
ACANTHACEZ:, A large “ordér of soft-wooded, — 
herbaceous plants, usually having gamopetalous axill 
calyx composed of deeply imbricated scales; 
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