86 
CENTAITREA-CHELONE. 
coccife'ra, frond foliaceous, minute ; divisions round, crenate, naked beneath; 
peduncles long-turbinate, naked, warty-scabrous, pale yellowish, cinereous 
and green; all bearing cups, which are wine-glass form ; margin extended, 
'fertile ; receptacles rather large, at length roundish, scarlet. 
CENTAUREA. 17—3. iCinarocephalee..) [From Chiron, the centaur, who is said to have 
cured a wound in his foot with the plant.] 
cya'nus, (great blue-bottle, b. w. r. J. scales of the calyx serrate ; leaves 
linear, entire^ lower ones toothed. Naturalized. 
america'na, (great American centaury, 0.) stem branching ; leaves sessile, 
lower ones oblong-ovate ; upper ones lanceolate, acute ; peduncles thick at 
the apex. 2 f. 
henedic"ta, (blessed thistle, y. J. tg^.) scales of the involucre doubly armed 
with spikes, woolly, bracted ; leaves decurrent, toothed, spiny. Ex. 
CENTAURELLA. 4—1. {GentianeeR.) 
panicuWta, {Se^pt. (^.) stem branched, smooth; peduncles opposite; leaves 
minute, subulate ; flowers in panicles. Damp grounds. Flowers small, 
greenish-while. 4-8 i. 
CEPHALANTHUS. 4—1. ' iRubiacecB.) [From kephale, head, anthos, flower.] 
occide7ita'lis, (button bush, w. Ju. T2.) leaves opposite, and in threes, oval, acu- 
minate. Inflorescence a round head. Swamps. Var. pubescens, has the 
leaves and the branchlets pubescent. 4-5 f. 
CERATIOLA. 20—2. (EuphorbecB.) 
erico'ides, (Au, T^.) branchlets sub-tomentose ; leaves whorled, narrow, linear, 
smooth. An evergreen shrub. 4-6 f. 
CERASTIUM. 10—5. (Caryophylleoi.) [From keras, horn, alluding to the form of its capsule.] 
vzdga'tum, (mouse-ear, chickweed, w. Ap. ©.) hirsute, viscid, cespitose ; 
leaves ovate; petals oblong, about equal to the calyx ; flowers longer than 
the peduncle. 6-10 i. 
CERCIS. 10—1. (Leguminos(B.) 
canade7i"sis, (red-bud, judas-tree, r. M. Tj.) leaves round heart-form, acumi* 
nate, villose at the axils of the nerves; stipules minute; legumes short-sti- 
ped. Var. pubescens, has roundish, acute leaves, pubescent beneath. 15-30 f. 
OETRARIA. 21—5. (Algce.) [From ceim, a buckler.] 
island"ica, (the Iceland lichen, Iceland moss,) frond olive-chestnut-brown, at ' 
the base reddish-white, white beneath; divisions erectish, sub-linear, 
many-cleft, channelled, tooth ciliate ; the fertile ones dilated ; receptacles 
close-pressed, flat, 1-coloured ; margin frond-like, elevated, entire. On 
sandy plains, as on the barren plains, near Beaver-pond, in New Haven 
where it covers the earth very densely in many places. 
CHAM-ffiROPop. 6—3. (Palmm.) [From chamai, on the ground, ops, appearing.] 
serrula'ta, (E. Ju. caudex creeping; stipes sharply serrate ; fronds plaited, 
palmate. Fronds 2 f. S. 
r-HEIRANTHUS. 14—2. iCruciferca.') [Fiom cAeiV, hand, cnZAos, flower, the blossoms re 
semble the fingers.] 
chei'ri, (wallflower, J. %.) leaves lanceolate, acute, glabrous; branches ang- 
led ; stem somewhat of a woody texture. Ex. 
an"nuus, (stock july-flower, Ju. 0.) leaves lanceolate, sub-dentate, obtuse, 
hoary ; silique cylindric, with an acute apex. Ex. 
CHELIDONIUM. 12—1. (PapaveracecB.) [From chelidon, a swallow, because it blossomi 
about the time this bird appears.] 
ma' jus, (celandine, y. M. %.) umbels axillary, peduncled ; leaves alternate,' 
pinnate, lobed. Naturalized. 
CHELONE. 13-2. {Bignonicb.) [From cAeZone, a tortoise.] 
gla'bo-o,, (snake-head, w. and r. Ju. %.) leaves opposite, lance-oblong, acumi- 
nate, serrate ; spikes terminal, dense-flowered. Var. alba, leaves sub-ses 
sile; flowers white. Yar. purpurea, leaves short-petioled ; flowers purple. 
Var. lanceolata, leaves lanceolate, acuminate, serrate, sessile, pubescen? 
beneath; segments of the calyx oblong. Damp. 
