CATALPA, CHELONE. 381 



21. CATALPA. 40. 45. 



cordifo'lia (M. w. & y. > ), leaves simple, cordate, entire, by threes ; flowers in 

 panicles. 4050 f. S. 



51. CEANOTHUS. 43. 95. 



america'nus (New Jersey tea. O. w^ J. > ), leaves ovate, acuminate, serrate 

 3 nerved, pubescent beneath ; panicles axillary, long peduncled, sub- 

 corymbed. S. 



51. CELASTRUS. 43. 95. 



scan"dens (false bittersweet, staff-tree. O. y-w. J. > ), stem twining ; leaves ob- 

 long, acuminate, serrate ; racemes terminal. Retains its scarlet berries 

 through the winter. 



21-5. CENOMYCE. 57.2. 



pyxada'ta, frond foliaceous ; divisions crenulate, ascending ; peduncles all tur- 

 binate, cup-form, glabrous, at length warty-granulate, scabrous, greenish- 

 grey ; cups regular ; afterwards the margin is extended and proliferous ; re- 

 ceptacles tawny. 



coccife'ra, frond foliaceous, minute ; divisions round, crenate, naked benedth ; 

 peduncles long-turbinate, naked, warty-scabrous, pale-yellowish, cinereous 

 and green; all bearing eups, which are wine-glass form ; margin extended, 

 fertile ; receptacles rather large, at length roundish, scarlet. 

 173. CENTAUREA. 49.54. 



Exotic. 



cya'nus (blue bottle, b. w. r. J. ), scales of the calyx serrate ; leaves linear* 

 entire ; lower ones toothed. Naturalized. 



41. CEPHALANTUS. 48. 56. 



occidentalis (button bush, O. w. Ju. ^ ), leaves opposite and in threes, oval, acu- 

 minate. Inflorescence a round head. Swamps. Var, pubescens, has the 

 leaves and branchlets pubescent. 4 5 f. S. 



105. 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. 



101. CERCIS. 33. 93. 



canaden"sis (red-bud, judas tree. r. M. > ), leaves round-heart-form, acuminate, 

 villose at the axils of the nerves; stipules minute; legumes short stiped. 

 Var. pubescens, has loundish acute leaves, pubescent beneath. 15 30 f. 



215. CETRARIA. 57. 2. 



islan"dica (the Iceland lichen, Iceland moss, C. Y.), frond olive-chesnut-brown, 

 at the base reddish-white, white beneath ; divisions erectish, sub-linear, ma- 

 ny cleft, channelled, tooth ciliate; the fertile ones dilated ; receptacles close- 

 pressed, flat, one-coloured ; margin frond-like, elevated, entire. On sandy 

 plains, as on the barren plains near Beaver-ponds, in New Haven, where it 

 covers the earth very densely in many places. 



63. CHAMAEROPS. 1. 11. 



Southern. 



serrula'ta (E. Ju. * ), caudex creeping ; stipes sharply serrate ; fronds plated 

 palmate. Fronds 2 f. 



142. CHEIRANTHUS. 39. 63. 



Exotic, 

 chei'ri (wall flower. J. 4), 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. 



121. CHELIDONIUM. 27.62. 



Exotic. 



ma'jus (celandine, y. M. 4), umbels axillary, peduncled ; leaves alternate, pin- 

 nate, lobed. Naturalized. 



13-2. CHELONE. 40.45. 



glalra (snake-head. O. w. & r. Ju. 4), leaves opposite, lance-oblong, acumi- 

 nate, serrate ; spikes terminal, dense-flowered. Var. alba, leaves sub-sessile ; 



