262 
THE DICTIONARY OF GARDENING, 
Cosmos—continued. 
C. spectabilis (showy). A garden hybrid. 
p. 372, f. 114-15 and Plate.) 
Cc. sulphureus (sulphur-coloured). _/l.-heads_sulphur-yellow ; 
outer involucral scales appressed, shorter and narrower than the 
inner ones. September and October. /. bipinnatipartite ; lobes 
lanceolate, mucronate, somewhat scabrous on the margins; 
petioles ciliated. Stems pilose. h. 2ft. Mexico, 1799. Hardy 
perennial. SYN. Coreopsis parviflora. 
1892. (R. H. 1892, 
Fic. 278. 
COSMOS BIPINNATUS ALBIFLORUS. 
COSSUS LIGNIPERDA. See Goat-Moth. 
COSTUS. Syns. Banksea, Gissanthe, Hellenia, Jacu- 
anga, Planera (of Giseke), All the species of this genus 
are tropical ; they are found in America, Africa, Asia, and 
Australia, To those described on p. 387, Vol. I., the follow- 
ing should be added. P. albescens, P. cinereus, and P. lucidus, 
introduced in 1868, are apparently only garden varieties. 
C. cylindricus (cylindrical). jl. yellow, lin. long, the -lobes 
oblong ; spike cylindrical, 4in. to 6in. long; bracts scarlet, very 
numerous. /. spathulate - elliptic, acute, glaucous beneath, 
yellowish-ciliated. h. 6ft. or more. Trinidad. A variety from 
Martinique has blue flowers and purple bracts. 
C. discolor (parti-coloured). #., calyx and stamens purple ; corolla 
lobes white, lanceolate; lip white, yellowish in the middle, 
large, three-lobed ; spike inclined, oval-oblong; bracts red and 
green, ovate. June. J. elliptic - oblong, acute, sub-sessile, 
purplish beneath, yellow-ciliated. h. 4ft. Brazil, 1823. 
Cc. Englerianus (Engler’s). /l. white and yellow, small, produced 
in sessile spikes. J. elliptic, obtuse, fleshy, dark green. Stems 
short, decumbent. Tropical Africa, 1892. Syn. C. wnifolius. 
Cc. Lucanusianus (Dr. Von Lucanus’). fl. purple, with a yellow 
middle lobe to the lip, disposed in terminal heads. J. lanceolate, 
acuminate, white beneath. Cameroons, 1892. A  tall-growing 
species. (R. G. 1379.) 
C. musaicus (mosaic-marked). 7. obliquely-lanceolate, 3in. to 
4in. long, the centre dark green, the rest tesse)'ated with silvery- 
grey. Congo, 1887. 
C. pictus (painted). /. yellow, with a purple-variegated, erect, 
three-lobed lip ; spike few-flowered ; bracts broadly ovate, green, 
appressed. July. J. lanceolate, pilose above. h. 2ft. Mexico, 
1832. (B. R. 1594.) 
C. unifolius (solitary-leaved). A synonym of C. Englerianus. 
COTONEASTER. Rockspray. Including Nagelia. 
This genus comprises about fifteen species, natives of 
Europe, North Africa, Central and West Asia, Siberia, 
the mountains of the East Indies, and Mexico. Fruit small, 
red or dark-coloured. 
Seeds of Cotoneasters germinate more freely if sown in a 
moderate heat immediately they are gathered. If kept until 
the following spring they should be placed in a cool room in 
preference to a warm one, as they are liable to get very dry, 
and vegetation is thereby hindered. The seed may be sown 
Cotoneaster—continued. 
in drills or broadcast, in beds slightly raised above the level 
of the ordinary ground, and thinly coyered with fine soil. 
The ground should never be allowed to become dry, or the 
seed will germinate very irregularly. 
To the species described on p. 387, Vol. I., the following 
should be added : 
C. affinis (related). A synonym of C. buzifolia. 
C. Barbeyi (Barbey’s). /. green and 
red, numerous, in an almost globular 
panicle; corolla about lin. long. J. 3in 
long, glaucous. Stem tall, branched. 
Arabia, 1893. 
C. congesta (congested). A synonym of 
C. microphylla glacialis. 
C. Fontanesii (Desfontaine’s).* l. white, 
disposed iu small corymbs. fr. bright 
coral-red, large, round. J. oval-elliptic, 
greyish-green and glabrous above, silvery- 
silky beneath. Branches pubescent. 1886. 
This makes a round, compact bush 
about 3ft. high. (R. H. 1867, p. 33.) 
C. horizontalis (horizontal). |. TOS@- 
coloured, large. Spring. (fr. bright ver- 
milion, very ornamental. 7. small, regu- 
larly disposed, many of them turning 
bright red in the autumn. Branches 
stout, almost horizontal, somewhat frond- 
like. China, 1879. Deciduous. (R. H. 
1879, p. 136.) 
C. microphylla glacialis (ice-loving). 
fl. often pink, smaller than in the type. 
7. glabrous above, glaucous beneath. 
Himalayas (up to 14,000ft.), 1868. Syn. 
C. congesta (Ref. B. 51). 
Cc. pannosa (felt-like). . white with 
violet stamens, disposed in compact 
corymbs. fr. ochre-red at first, becoming 
vermilion. 7. oval or oblong, mucronate, 
Zin. to ljin. long, green and pubescent 
above, covered beneath with a thick 
coating of silvery-white down. h. about 
6ft. Yunnan, China, 1898. 
C. prostrata (prostrate). 
C. rotundifolia. 
C. reflexa (reflexed). . white, numerous, in erect, umbelliform 
corymbs ; petals orbicular. April. fr. of a beautiful reddish- 
carmine, ripening in August. 7. ovate or ovate-lanceolate, shortly 
acuminate, entire, reddish-green, pubescent above, tomentose 
beneath. Branches slender. Origin unknown. 1892. (R. H. 
1892, p. 308.) . 
C. Roylei (Royle’s). A garden synonym of C. acuminata. _ 
C. sikkimensis (Sikkim). 1. white, in compound umbels. 
fr. bright coral-red, globose. 7. elliptic, 4in. to 5in. long, 2in. to 
24in. broad, entire, mucronate, dull green aboye, grey beneath. 
Sikkim, 1890. A vigorous, deciduous shrub. 
C. tomentosa (downy). jl. pink; calyx and peduncles woolly. 
June and July. J. elliptic, obtuse at both ends, woolly beneath. 
h. 4ft. Alps, 1759. Allied to C. vulgaris. 
C. uniflora (one-flowered). fl. white; calyx glabrous; peduncles 
very short, one-flowered, and, as well as the calyx, highly 
glabrous. May and June. J. oval-oblong, attenuated at both 
ends, glabrous above, puberulous beneath. Altai, 1842. 
COTTONIA (named in honour of Major-General 
Cotton, C.S.I., of the Madras Engineers, an indefatigable 
collector and cultivator of Orchids, who found C. macro- 
stachya in Malabar). Orb. Orchidex. According to the 
“*Flora of British India,’’ this is a monotypic genus, 
the species being an interesting stove Orchid, with a lip 
resembling that of Ophrys aranifera. For culture, see 
Vanda. 
Cc. Championi (Champion’s). A 
Championt. 
Cc. macrostachya (large-spiked). . Zin. across; sepals sub- 
spathulate; petals dirty orange, with red streaks; lip dark 
purple, with a villous-golden margin; scape lft. to 1sft. high, 
erect ; branches few, tipped by short racemes. May. J. Sin. to 
6in. long, 4in. to Zin. broad, lorate, recurved, obtusely bilobed. 
Stem 4in. to 8in. long, leafy. India, 1840 and 1885. (B. M. 7099.) 
os) C. peduncularis and Vanda peduncularis (P. F. G. iii., 
t. . 
Cc. peduncularis (pedunculate). 
stachya. 
COTULA QUINQUELOBA. A synonym of Lid- 
beckia lobata (which see). . 
COTYLEDON. According to Bentham and Hooker. 
this genus comprises about sixty species, natives of West 
and South Europe, Africa, East Asia, the Himalayas, and 
A synonym of 
synonym of Diploprora 
A synonym of C. mmacro- 
