AMBROSIACEJE. 46. CAJIPANULACE^. 
209 
prenanthoides, 27. saxifragim, 10. tridentatum, 26. 
rigidvm, 31. senescens, 11. umbellatum, 29. 
rotuadatum, 21. strictum, 28. vogesiacimi, 13. 
rupcsfrc, 12. si/lvaticum, 24. vulgatum, 24. 
sabaudum, 32. tenellum, 5. 
[.ff. Awicula, H. dorrense, H. dubiutn, H. Or cades and H. vil- 
losum ai-e omitted, having probably never been found in Britain. 
H. arnplexicaide is not even natiu-alized. H. pidmomirium is 
perhaps not determinable, but may be H. nigrescens,'] 
Anomalous Genus. Order AMBROSIACE^ Link. 
47. San'thium Linn. 
[X. strumdrium (L.) ; st. without spines, lower 1. heartshaped 
3-lobed at tlie base coarsely dentate, beaks of the fi-. 2 straight. 
— E. B. 2544. — Involucre of the fi\ oval, downy. — Rich waste 
land, not natiu-alized. A. VIII. IX.] E. 
Order XLYI. CAMPANULACE^. 
Cal. superior, 5-fid or entire. Cor. monopetalous, inserted on 
the caljTi;, 5-lobed, regidar or in-egular. btam. inserted with 
but not adhering to the cor., alternate mth its lobes ; anth. di- 
stinct or cohering, 2-celIed, opening longitudinally. Fr, dry, 
capsular, opening by lateral fissures or valves at the top, many- 
seeded. Embryo straight in the axis of fleshy albumen. 
Tribe I. LOBELIE^. Odd segment of the calyx anterior. 
Cor. irrewidar. Anth. cohering. Style glabrous with a 
fringe of hairs below the stigma. 
1. Lobelia. Cal. 5-fid. Cor. iiTegular; tube split to the 
base on the upper side ; limb 2-lipped, 5-parted. Anth. 5, 
cohering. Stigma blunt, surroimded by a cupshaped fringe. 
Caps. 2 — 3-celled, opening at the end by 2—3 valves. 
Tr. n. CAMPANULE^. Odd segment of the calyx posterior. 
Cor. regidar. Anth. usually free. Style pubescent. 
2. Jasioite. Cal. 5-fid. Cor. rotate with 5 long linear seg- 
ments. Anth. cohering at their base. Style hairy, bifid. 
Caps. 2-celled, opening at the end hy minute teeth. 
3. Phytedma. Cal. 5-parted. Cor. rotate with 5 kmg linear 
segments. Anth. free ; filaments dilated at the base. Style 
hairy, 2 — 3-fid. Caps. 2 — :3-celled, bursting at the sides. 
4. Campanula. Cal. 5-parted. Cor. mostly bell-shaped 
