LOBELIA. 271 



Tribe I. LOBELIE/E. Cor. irregular. Anth. cohering. Style 

 glabrous with a fringe of hairs below the stigma. 



1. LOBELIA. Cal. 5-fid. Cor. irregular ; tube split to the 

 base at the back ; limb 2- lipped, 5-parted. Anth. o, 

 cohering. Stigma blunt, surrounded by a cup-shaped fringe. 

 Caps. 2 3-celled, opening at the end by 2 3 valves. 



Tr. II. CAMPANULE3Z. Cor. regular. Anth. usually free. 

 Style pubescent. 



2. JA STONE. Cal. 5-fid. Cor. rotate, with 5 long linear 

 segments. Anth. cohering at their base. Style hairy, 

 bifid. Caps. 2-celled, opening broadly at the end by short 

 teeth. 



3. PHYTEUMA. Cal. 5-parted. Cor. 2-lipped, with 5 long 

 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 bellshaped, 

 u'ith 5 broad and shallow segments. Anth. free ; filaments 

 dilated at the base. Stigma 3 5-fid. Caps, not long, 

 3 5-celled, opening by lateral pores below the cal.-limb. 



5. SPECULABIA. Cor. rotate. Caps, linear-oblong, prismatic, 

 opening by lateral pores between the segments of the calyx. 

 Otherwise like Campanula. 



6. CEBVICINA. Caps, half superior, 3-celled, opening by 

 3 5 valves above the segments of the calyx. Otherwise 

 like Campanula. 



Tribe I. Lobeliea. 



1. LOBE'LIA Linn. 



1. L. Dortman'na (L.) ; 1. radical linear entire of 2 parallel 

 tubes, st. simple nearly leafless. E. B. 140. Rootstock fleshy, 

 with filiform runners. L. blunt, 1 2 in. long, submerged,. 

 St. 12 18 in. high, with or without 2 3 small bractlike 

 leaves. Fl. pale lilac, distant, in a raceme, slightly raised 

 above the water. In lakes with a gravelly bottom. P. VII. 



E. S. I. 



2. L. tirens (L.) ; st. nearly upright leafy, lower 1. obovate 

 or oblong slightly toothed, upper lanceolate serrate, fl. in long 



