84 C E R 



52. CAUCALIS, 45. 60. 

 mauritania (base parsley.) 



61. CAULOPHYLLUM, 24. 61- 



thalictroides (poppose root, false cohosh.) 



51. CEANOTHUS, 43. 95. 

 americanus (New-Jersey tea. w. J. b leaves ovate acu- 

 minate, serrate, 3-nerved, pubescent beneath. 



51. CELASTRUS, 43. 95. 

 scaiidens (false bittersweet, staff tree. y-w. J. fc .) stem 

 twining. 



51. CELOSIA, 42. 30. 



cristata (cock's crest E. Ju. @.) leaves oblong-ovate: 

 peduncles terete, sub-striate : spikes oblong. 



52. CELTIS, 53. 99. 



occidentalis (nettle tree.) crassifolia (hag-berry, hoop- 

 ash.) 



31. CENCHRUS, 4. 10. 



echinatus (hedgehog grass.) tribuloides. 



183. CENTAUREA, 49. 54. 



solstitialis. cijanus (blue-bottle. E. b. Ju/ 0.) scales of 

 the calyx serrate leaves linear entire ; lower ones toothed. 

 scabiosa tscabious centaury.) centaurium (great centau- 

 ry.) jacea (knapweed.) "suiweolens (yellow sultan.) 6e- 

 tiedicta (blessed thistle.) moschata (sweet sultan.) 



41. CEPHALANTHUS, 48. 57. 

 occidentalis (button bush. g. Ju. T?.) leaves opposite and 

 in threes. 



105. CERASTIUM, 22. 82. 

 vidgatum (rnousear chickweed w. Ap. 0.) hirsute, vis- 

 cid, cespitose : leaves ovate : petals oblong, about equal 

 to the calyx : flowers longer than the peduncle, semide- 

 candrnm. arvense. dichotomum. viscositm. tenuifolium* 



2013. CERATOPHYLLUM, 15. 16. 

 demersum (hornwort.) 



101. CERCIS, 53. 93. 

 canadensis (red bud, judas tree.) 



