AN ENCYCLOPJEDIA 
OF HORTICULTURE. 333 
Cistus —continued. 
C. rotundifolius (round-leaved).* J., petals purple, with a yellow 
mark at the base of each, imbricate; sepals cordate, pilose ; 
peduncles very hairy, rather cymose. June to September. Z. 
roundish-ovate, obtuse, flat, wrinkled, reticulately veined, clothed 
on both sides with fascicled hairs ; Сеи furrowed, somewhat 
sheathing at the base. h. 16. South Europe, 1640. (S. C. 75.) 
C.salvifolius (Sage-leaved). Л. white, middle-sized ; peduncles 
long, white from tomentum, one-flowered, articulated above, 
solitary or tern. June to August. l. stalked, ovate, obtuse, 
wrinkled ; under surface tomentose. h. 2ft. South Europe, 1548. 
(S. C. 54.) There are many varieties of this species. 
С.в. Corbariensis (Corbar).* /l., petals white, imbricate ; pedun- 
cles long, one to five-flowered. May. 1. stalked, somewhat 
cordate, ovate, acuminated, with fringed margins, wrinkled on 
both surfaces, and very glutinous. Л. 2ft. South of France, 1656. 
A hybrid between salvifolius and populifolius. (S. С. 8.) 
„©. undulatus (waved). A synonym of C. villosus. 
vaginatus (sheathed).* 7. rich rose; petals imbricate; pedun- 
cles three-flowered, axillary or terminal, long, bracteate at the 
base. April to June. 7. lanceolate, acute, t ree-nerved, hairy; 
“under surface reticulated; footstalks furrowed, dilated, and 
sheathing at the base, with pilose margins. А. 2%. Teneriffe, 
1779. (S. C. 9.) 
C. villosus (villose).* fl., petals large, reddish-purple, spreading, 
imbricate at the base; peduncles one-flowered, one or three 
together. June, 4. roundish-ovate, wrinkled, tomentose and 
hairy, stalked ; footstalks furrowed, connate at the base. A. 3ft. 
South Europe, 1596. SYNS. C. incanus and C. undulatus. (S. C. 35.) 
Fic. 458. CITRULLUS VULGARIS, showing Habit of Plant, and 
C. v. canescens (hoary).* fi., petals crenulated, of a darkish- 
purple, ti with blue, and with a yellow spot at the base of 
incl 4 d with starry pubescence; peduncles terminal, 
one-flowered, orsomewhat cymose. May. 1. oblong-linear, bluntish, 
. tomentose, hoary, waved, rather three-nerved, sessile, and some- 
. What connate at the base. A. 2ft. South Europe. (S. C. 45.) - 
CITHAREXYLUM (from kithara, a lyre, and aylon, 
wood; in reference to the fitness of the wood for musical 
instruments)  Fiddle-wood. Окъ. Verbenacee. A genus 
of about a score rather ornamental stove evergreen trees, 
Probably very few are now grown. They have principally 
white flowers, and in height range from 6ft. to 50ft. Some 
of the species which have been introduced are: caudatum, 
cyanocarpum, dentatum, quadrangulare, subserratum, and 
villosum. 
CITRON. See Citrus medica. 
CITRULLUS (from Citrus, in allusion to the Orange- 
like fruits). ORD. Cucurbitace. А small genus of stove 
herbs, closely allied to Cucumis. Flowers unisexual, with 
а persistent five-parted calyx and corolla. Fruita many- 
seeded gourd. For culture, &., see Cu is. 
C. Colocynthis (Colocynth, the classical name of the plant). 
Bitter Apple; Bitter Cucumber. Л. li . 
globose, rarely Sin. in diameter, 06 
(В. М. 
€ vulgaris (common).* Water Melon. Л. yellow. fr. often lin. 
Citrullus—continued. 
in diameter, sometimes much smaller, sweet or bitter. Z deeply 
divided, or but moderately lobed, glabrous or somewhat hairy, 
wu 
MELON (CITRULLUS VULGARIS). 
“Said to be annual, while €. Colocynthis 
FIG. 459. WATER 
hardly scabrid. India. 
is perennial ; but the distincti t i 
С rtis ase gd netion between the cultivated form of 
divided-leaved forms of the Water Melon, 
(а) Male and (b) Female Blossoms. 
SYNS. Cucumis and Cucurbita Citrullus. 
is very small.” : 
Figs. 458 and 459 s 
