CLEMATIS, CONVALLARIA. 383 



1213. CLEMATIS. 26. 61. 



virgin"ica (virgin's bower. O. w. Ju. > ), climbing; leaves ternate; leaflets 

 ovate, sub-cordate, gash-toothed and lobate ; flowers panicled, dioecious. 

 15_20 f. S. 



Exotic. 



flam"mula (sweet virgin's bower. > ), lower leaves laciniate ; upper ones simple, 

 entire, lanceolate, 



61. CLEOME. 25. 64. 



dodecan"dra (O. r-w. Ju. ), viscid-pubescent ; leaves ternate ; leafets elliptical 

 oblong ; flowers generally dodecandrous. 1 f. 



101. CLETHRA. 18. 51. 



alnifo'lia (E. w. Au. * ), leaves wedge-obovate, acute, coarse-serrate, glabrous, 

 both sides one colour ; racemes spiked, simple, bracted, hoary-tomentose. 

 4 Sf. 



171. CNICUS. 49. 54. 



lanceola'tus (common thistle O. p. J. $), leaves decurrent, hispid, pinnatifid ; 

 divisions 2 lobed, divaricate, spinose ; calyx ovate, with spider-web-like 

 pubescence ; scales lanceolate, spinose, spreading. 2 4 f S. 

 arven"sis (Canada thistle. O. p. J.4), leaves sessile, pinnatifid, ciliate, spinose ; 

 stem panicled ; calyx ovate, mucronate ; scales broad -lanceolate, close- 

 pressed ; margin woolly. 2 3 f. 



14_1. COCHLEARIA. 39. 63. 



Exotic. 



armora'cia (horse-radish, w. J. 4), radical leaves lanceolate, crenate ; cauline 

 ones gashed. Naturalized. 



193. COIX. 4. 10. 



lach"ryma (job's tear. Ju. ), culm semi-terete above ; flowers naked ; fruit 

 ovate. 



21. COLLINSONIA. 42. 39. 



canaden"sis (O. y. Au. 4), leaves broad -cor date, ovate, glabrous : teeth of the 

 calyx short, subulate : panicle terminal, compound. <S. 

 1610. COLUTEA. 32. 93. 



vesica'ria (senna herb.y. Ju), leaves pinnate ; leafets ovate : stem herbaceous, 

 decumbent, villose : legumes orbicular, inflated. 



3_1. COMMELINA. 6. 13. 



angustifolia <day-flower. E. b. Ju. 4), assurgent, weak, somewhat glabrous : 

 leaves lance-linear, very acute, flat, glabrous : sheathes subciliate : bracts 

 (or involucra) peduncled, solitary, short-cordate. 12 i. . 



193. COMPTONIA. 50. 99. 



asplenifo'lia (sweet fern. O. g. Ap. ^), leaves long-linear, alternately crenate- 

 pinnatifid. 18 48 i. S. 



21_4. CONFERVA. 57. 2. 



ru'fa, threads ramose, capillary, straight, obsoletely geniculate ; branches and 

 branchlets opposite, remotish ; length of the joints equalling the diameter. 

 In the sea. Reddish yellow, shining, in fascicles ; threads of the thickness 

 of human hair, 2 inches and longer, flaccid, soft. 



5_2. CONIUM. 45. 60. 



rnacula'tum (poison hemlock. O. w. Ju. 4), stem very branching, spotted ; 

 ltives very compound ; seed striate. Var. crispatulum, leaves crisped '; ulti- 

 mate divisions acuminate, or terminated in a bristle. 2 4 f. 

 61. CONVALLARIA. 11. 12. 



1. CoroZ deeply 4 parted, spreading : stamens 4 : berry 2 celled. (Flowers in a 



terminal raceme). 



bifoflia (6. w. M. J. 4), stem 2 leaved ; leaves or short petioles cordate-oblong, 

 very smooth on both sides ; racemes simple, terminal ; flowers tetrandrous. 

 4 6 i. 



2. Corolla 6 parted, spreading : filaments divergent, attached to the base of the 



segments. (Flowers in a terminal raceme.) 



stetta'ta (O. w. M. 4), stem with alternate, clasping, oval-lanceolate leaves ; 

 raceme simple, terminal. 8 18 i. 



