12 THE DICTIONARY OF GARDENING, 
+ 
nmana a n aaa a aaa m aa 
Achillea—continued. ` 
A. Herba-rota (Herba-rota).* jl.-heads white, in lax corymbs, on 
slenderstems. May. l. lanceolate, serrated. h.6in. France,1640, 
When touched, this pretty little plant gives off an a ble 
aromatic perfume. To attain full beauty it requires sandy loam 
and a sunny position, 
A. macro lla (large-leaved). fl.-heads white. _ July. l long 
and br pinnate; leaflets horizontal. h. 3ft. Italy, 1810. 
A. Millefolium roseum (rosy).* /.-heads rose-coloured, in small 
ovoid heads, which are produced continuously for several months. 
1. strap-shaped; segments very narrow. h. lft. to 3ft. Engiand. 
It is well worth growing, both as a border plant, and for cutting 
purposes. . 
A. mongolica (Mongolian). fl.-heads white. July. J. undivided. 
h. 14ft. Siberia, 1818. 
A. moschata (musky).* j.-heads white, in lax corymbs. June. 
A. bin. l. bright green, about 2in. long, pinnatifid. Italy, 1775. 
A pretty tufted alpine. 
A. nana (dwarf). fl.-heads white. June to August. l. pinnate; 
leaflets horizontal. k. 6in. Italy, 1759. A rockery species. 
A. odorata (sweet-scented). /.-heads white, fragrant. June to 
August. Z. bipinnate. h. 6in. Spain, 1729. 
A, pectinata (comb-leaved).* /.-heads white. June. J. bright 
green, about Zin. long, pinnatifid. Italy, 1775. A pretty tufted 
pine. 
A. Ptarmica flore-pleno (double sneezewort).* fl.-heads pure 
white, freely produced in terminal corymbs. All through the 
„summer and autumn. Z. lanceolate, serrulate. h. lft. to 2ft. 
England This is one of the most useful white border perennials 
« grown, increasing very readily. When out of flower the stems 
should be cut down to the surface. 
A. santolinoides (lavender-cotton-like). fl.-heads white. July. 
l. pinnate ; leaflets transverse. h. lft. Spain. 
A. serrata Bw meg fi.-heads clear white, large, in small 
corymbose clusters, forming a somewhat sp: panicle. 
l. white, with: adpressed hairs, sessil 
h. 15in. Switzerland, 1686. is = 
Fis, 13. ACHILLEA TOMENTOSA, showing Habit and detached 
portion of Inflorescence, 
A. tomentosa (downy).* fl.-heads bright yellow, in repeatedly com- 
. pound corymbs. Summer. J. woolly, -bipinnatifid; segments 
inear, acute. A. 8in. to 12in. Europe. One of the best yellow- 
flowered species for the rock garden, having a dense habit. See 
Fig. 13. 
A. umbellata (umbel-flowered).* fl.-heads white, six to eight ina 
simple umbel. June. J. regularly lobed; lobes obovate, entire ; 
clo with a dense, silvery pubescence, on which account 
the t is chiefly cultivated. ; 
pretty dwarf rock plant. 
A. vallesiaca (Vallesian). /l.-heads white. June to August. l 
pinnate ; leaflets horizontal. h. 1ft. Switzerland, 1819. 
ACHIMENES (from cheimaino, to suffer from cold; 
alluding to the general tenderness of the species). 
ORD. Gesneracee. A large genus of stove or warm green- 
house plants, of great beauty. Branched, generally hairy, 
herbaceous perennials, with scaly catkin-like stolons 
underground (Fig. 14), and sometimes from the axils of 
the leaves. Corolla funnel-shaped; tube rather oblique, 
gibbous behind at the base. Pedicels one-flowered, axil- 
lary, solitary, or fasciculated, bracteated. Leaves opposite, 
h. 4in, to fin. Greece. A very 
= or three in a whorl, serrated. 
= Tobe successfully cultivated, they must be started and 
„rown in stove heat till they commence blooming, when they 
may be removed to the conservatory or ordinary house, 
there to remain until after flowering. Batches of tubercles 
should be started in heat from February till the end of 
_ April, so as to give a succession of bloom. Shak 
+ when active 
receive more frequent supplies. When the shoots 
tops are quite dead, they may be removed, and i 
Achimenes—continued. 
are about 2in. high, the tubercles may be transplanted 
to the pots, pans, or baskets in which it is intended to grow 
them, using as potting compost fibrous peat and leaf-soil 
in equal proportions, with about a sixth part of sheep’s 
or rotten cow manure, and sufficient silver sand to make 
the whole porous and of a whitish appearance. Thorough 
drainage is indispensable, and a layer of the rougher soil, 
or sphagnum, should be placed over the potsherds, to pre- 
Fia. 14. ROOT OF THE ACHIMENE, showing Tubercles. 
vent the loose soil stopping the drainage. Place the pans 
as near the glass as possible, and shade from bright sune 
shine. Give liberal supplies of water, with occasional 
number of flowering branches. Place neat stakes to u 
stem, and keep well tied, arranging the stakes as sym» i 
metrically as possible, so as to ensure an even outline, but 
Fic. 15, BOUQUET OF VARIOUS ACHIMENES. 
do not allow them to be seen. Light syringing with cleat 
water, morning and evening, is beneficial. After the plants 
have done blooming, they should gradually have less water 
as the foliage and stems decay; a light airy atiol 
is needed to mature and ripen the tubers. When the 
pots stored on the sides in any warm dry corner ¥ 
