CENOMYCE, CHELONE. 
357 
21—5. CENOMYCE. 57. 2. 
pyxada'ta, frond foliaceous ; divisions crenulate, ascending : peduncles all 
turbinate, cup-form, glabrous, at length warty-granulate, scabrous, green- 
ish-grey : cups regular ; afterwards the margin is extended and proliferous ; 
receptacles tawny. 
coccifc 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. 
17—3. CENTAUREA. 49. 54. 
Exotic. 
cya'nus , (blue bottle, b. w. r. J. ©.) scales of the calyx serrate : leaves linear, 
entire ; lower ones toothed. Naturalized. 
4—1. CEPHALANTUS. 48. 56. 
occidenta'lis , (button bush. O. w. Ju. fj.) leaves opposite and in threes, oval, 
acuminate. Inflorescence a round head. Swamps. Var. pubescens , has 
the leaves and branchlets pubescent. 4 — 5 f. S. 
10—5. CERASTIUM. 22. 82. 
vulga'tum. (mouse-ear, chick weed. O. w. Ap. ©.) hirsute, viscid, cespitose ; 
leaves ovate : petals oblong, about equal to the calyx : flowers longer than 
the peduncle. 6 — 10 i. S. 
10—1. CF.RCIS. 33. 93. 
canaden"sis, (red-hud, judas tree. r. M. fj.) leaves round-heart-form, acumi- 
nate, villose at the axils of the nerves : stipules minute : legumes short- 
stiped. Var. pubescens, has roundish acute leaves, pubescent beneath. 15 — 
30 f. 
21—5. CETRARIA. 57. 2. 
islan 'dica,, (the iceland lichen, iceland moss, C. Y.) frond olive-ehesnut-hrown, 
at the base reddish-white, white beneath ; divisions erectish, sub-linear, 
many-cleft, channelled, tooth-ciliate : the fertile ones dilated : receptacles 
close-pressed, flat, one-coloured ; margin frond-like, elevated, eqtire. On 
sandy plains, as on the barren plains near Beaver-ponds, in New-Haven, 
where it covers the earth very densely in many places. 
6—3. CHAMAEROPS. 1. 11. 
Southern. 
serrula'ta , (E. Ju. Tj.) caudex creeping; stipes sharply serrate: fronds 
plated palmate. Fronds 2 f. 
14—2. CHEIRANTHUS. 39. 63. 
Exotic. 
chei'ri , (wall-flower. J. %.) leaves lanceolate, acute, glabrous: branches 
angled; stem somewhat of a woody texture. 
an nuus, (stock july-flower. Ju. ©.) leaves lanceolate, sub-dentate, obtuse, 
hoary ; silique cylindric, with an acute apex. 
12—1. CHELIDON1UM. 27. 62. 
Exotic. 
ma'jus , (celandine, y. M. 7J..) umbels axillary, peduncled: leaves alter- 
nate, pinnate, lobed. Naturalized. 
13—2. CHELONE. 40. 45. 
glabra , (snake-head, O. w. r. Ju. 2|_.) leaves opposite, lance-oblong, 
acuminate, serrate: spikes terminal, dense-flowered. Var. alba , leaves 
