LXXIII. CAMl'ANULACE.E. 71 



ovary ; limb usually 5-lobed or 5-partite (exceptionally 3-10-partite), 

 usually persistent and enlarging after the corolla withers ; the lobes 

 equal or slightly unequal. Corolla gamopetalous, tubular, campanulate, 

 rarely infuudibuliform or rotate, straight or oblique ; limb regular, or 

 oblique, or bilabiate; lobes as many as those of the calyx, short or more 

 or less deeply divided, valvate or iuduplicate-valvate, rarely 1 or 2 or all 

 the petals free to the base. Stamens as many as the corolla-lobes and 

 alternate with them, usually inserted on the disk, sometimes on the 

 tube of the corolla near the base or higher up and adnate ; filaments 

 free or cohering at the top or throughout their entire length ; anthers 

 linear, oblong or rarely ovate, free or united into a tube, 2-celled, the 

 cells parallel, introrse, dehiscing longitudinally. Ovary inferior, k- 

 superior or rarely almost superior, 2-5 (rarely G-10) -celled ; placentas 

 axile or attached to the middle of the septa, stipitate or peltate ; ovules 

 numerous or rarely only 2, at the base or apex of each cell, anatropous, 

 erect, horizontal or pendulous. Style simple, elavate at the apex, papil- 

 lose, at first enclosed by the anthers, afterwards protruding beyond them ; 

 stigmatic lobes as many as the cells of the ovary. Fruit capsular, 

 baccate or dry (in ^phenodea with circumcissile dehiscence). Seeds 

 numerous, small ; testa thin or coriaceous, smooth or reticulated ; 

 embryo straight in the axis of the albumen ; radicle next the hilum. — 

 DiSTEiB. Genera 53 ; species more than 1000, scattered throughout the 

 globe. 



Corolla irregular, 2-lippecl ; anthers connate round the style . 1. Lobelia. 

 Corolla regular or only slightly oblique ; anthers free. 



Capsule dehiscing at the top within the calyx-teeth into 

 as many valves as there are cells. 



Corolla deeply 5-partite into narrow lobes. 



Slender annuals with minute flowers on long 

 filiform peduncles ; lobes of the stigma short 



and broad 2. CEriiALOSTioMA. 



Corolla with short broad lobes, rarely divided below 



the middle ; lobes of the stigma narrow 3. WAHLEN-nERGiA. 



Capsule with circumcissile dehiscence 4. Si'iie.noclea. 



Capsule dehiscing at the base or side.s below the caly>;- 

 teeth 5. Campanula. 



1. LOBELIA, Linn. 



Herbs or undershrubs. Leaves alternate. Pedtnicles 1-flowered, 

 solitary in the axils of leaves or bracts, sometimes in a terminal raceme ; 

 bracteoles very small, usually 0. Calyx superior; limb 5-partite, the 

 segments slightly unequal. Corolla oblique, more or less distinctly 

 2-lipped. Staminal-tube free from the corolla or very rarely adnate at 

 the very base ; anthers 2 or all penicillate at the apex. Ovary inferior 

 or -l-superior, 2-celIed ; placentas oo - ovulate. Stigma shortly 2-fid. 

 Capsule loculicidally 2-valved within the calyx-lobes. Seeds very many, 

 minute, ellipsoid, compressed or trigonous. — Distrib. All temperate 

 and warm regions of the world ; rare in Central Europe and East and 

 West Asia ; species about 200. 



Small herbs not exceeding 18 in. high. 



Seeds trigonous ; anthers all penicillate at the tip 1. Z. trlgona. 



Seeds ellipsoid, compressed; two of the anthers penicillate 



at the tip 2. L. trialata. 



J-arge erect herb 4-10 ft. high 3. L, nicotirnKpfoUa, 



