3 1 2 CHL OR OPHORA 
Gaudich.) trop. Am. The wood of this sp. forms the yellow dye- 
stuff known as fustic. 
Chlorophytum Ker-Gawl. Liliaceae (ill). 50 sp. trop. In C. comosum 
Baker the infl. is often replaced by a vegetative mode of propagation, 
long shoots developing in the axils of the bracts ; these weigh the 
stem down to the soil and take root there. 
Chloroxylon Rumph. Rutaceae (vn). (Meliaceae, Benth.- Hooker). 
1 sp. E. Ind., C. Swietenia DC., the satinwood. The timber is 
very pretty in colour and takes a fine polish. It is very lasting, and 
is largely used in veneering, but is too heavy for general use alone. 
The tree also yields a gum. 
Choisya H. B. et K. Rutaceae (1). 1 sp. Mexico. 
Chomelia Jacq. Rubiaceae (1. B. 8). 30 sp. trop. As., Afr. 
Chondodendron Ruiz et Pav. Menispermaceae. 8 sp. Brazil, Peru. 
C. tomentosum R. P. furnishes Radix Pareirae bravae. 
Chondrilla (Toum.) Linn. Compositae (xm). 20 sp. N. temp. 
Chonemorpha G. Don. Apocynaceae (11. 4). 2 sp. Indo-mal. 
Choretrum R. Br. Santalaceae. 5 sp. Austr. 
Chorilaena Endl. Rutaceae (111). 2 sp. Austr. 
Choripetalae (Warming) = Archichlamydeae. 
Chorispora R. Br. Cruciferae (iv. 19). 12 sp. E. Medit., Centr. As. 
Choristylis Harv. Saxifragaceae (v). 1 sp. S. Afr. 
Chorizanthe R. Br. Polygonaceae (1. 1). 35 sp. Am. Some possess 
an ochrea, usually absent in this group. Firs, usually single inside 
the involucre (cf. Eriogonum). 
Chorizema Labill. Leguminosae (ill. 2). 15 sp. Austr. 
Christisonia Gardn. Orobanchaceae. 10 sp. trop. As., esp. Ceylon. 
The roots are parasitic on those of bamboos or Acanthaceae, and 
unite to a dense meshwork underground. The flowering shoots 
spring up, die, and decay, in a fortnight. 
Chrozophora Neck. Euphorbiaceae (a. ii. 2 ). 10 sp. Medit., As. 
C. tinctoria A. Juss. was formerly medicinal, but is now used as the 
source of the dye turn-sole or tournesol. The juice stains a fabric 
green, and when acted on with ammonia vapour turns red. 
Chrysalidocarpus H. Wendl. Palmae (iv. 6). 1 sp. Madag., C. 
lutescens H. Wendl. a favourite ornamental palm, branching at the 
root and forming tufts of stems. Included in Hyophorbe in Nat. PJi . 
Chrysanthemum (Tourn.) Linn. (incl. Pyrethrnm Hall.). Compositae 
(vii). 100 sp. Eur., As., Afr., Am. C . segetum L. (corn-marigold) 
and C. Leucanthemum L. (ox-eye or dog daisy) in Brit. The autumn- 
flowering C., now so fashionable, are cultivated forms of C. indicum 
L. and C. sinense Sabine (China, Japan). As in the Dahlia, all the 
florets have become ligulate (see Hemsley in Gard. Chron. 1889, 
p. 521, &c.; Henry in Gard. Chron., 1902, p. 301, and discussion 
by Hooker in Curtis, Bot. Mag. t. 7874). C. Parthenium Bernh. 
(Eur.) is the feverfew, a popular remedy against slight fevers ; C . 
