27 . GENTIANS. 
PL ex. cor. 
334 
Fam. X. 27. GENTIANS. 
Calyx 1 -leafed, 5 rarely 8-cut, persistent; corolla mono- 
petalous, hypogynous, regular, withering or falling off; 
limbs lobed; lobes equal to the lobes of the calyx; aestivation 
imbricate ; stamens as many as the lobes, alternating with 
them; ovary 1 , free, 1 or 2-celled, many-seeded; style 1 , 
rarely 2 ; stigma simple or 2-lobed ; capsule many-seeded, 
1 or 2-celled, 2-valved ; valves with inflected edges, which, 
in the 2-celled, form the dissepiments ; seeds small, on the 
edge of the valves ; corculum straight, in the centre of the 
fleshy perisperm ; radicle near the umbilicus. — Stipules 0 \ 
flowers terminal or axillary. 
Corolla rotate ; lobes fringed ; base 
bearded ; seeds margined, fringed Limnanthe. 98. 
Corolla rotate ; lobes bald ; base 
2-glandular ; seeds margined, not cut Swertia. 97. 
Cor. rotate, 8-cut; lobes bald; base 
naked ; seeds ovate Chlora. 96. 
Cor. funnelshape; tube long; stigma 
2-cut ; anthers becoming spirally twisted . . Erythjea. 94. 
Cor. funnelshape ; lobes hairy ; stigma 
capitate; leaves ternate Menyanthes. 99. 
Cor. funnelshape; mouth naked; lobes 
not fringed, eared ; anthers distinct Ericala. 92. 
Cor. hypocrateriform ; mouth bearded : • 
lobes 4 or 5, not fringed; anthers distinct Erythalia. 93. 
Cor. hypocrateriform ; tube bellied ; 
lobes 4; anthers straight; stigma capitate 
Franouevillia. 95. 
Cor. bellshape; mouth naked; lobes 
not fringed; anthers connate ...... Pneumonanthe. 91. 
A. Gentians verje. Leaves opposite, mostly sessile; 
edge not cut; capsule 1 -celled; herb very bitter. 
I. 91. PNEUMONANTHE. Val. Cordus. Lungflower. 
Calyx rather 5-sided, 5-toothed; corolla bellshape, 5-cut; 
mouth naked ; teeth 5, alternating with the lobes ; edge not 
cut ; stamens 5 ; anthers grown together into a tube ; stig- 
mata 2, sessile; capsule oblong, 1 -celled, 2-valved, opening 
at the tip ; seed round, not margined.— Root perennial ; 
Jlowers blue, plaited. 
