1098 GENTIANE (Hill and Prain). | Chironia. 
Stem-leaves in 1-2 (rarely 3) pairs; radical leaves 
many subrosulate, persisting ; anthers distinctly 
spiral : 
Panicles lax, their branches spreading ; corolla-lobes 
usually entire; leaves obov epee te pennies 0 or 
lanceolate ...° +s. as ve ds .. (11) palustris. 
Panicles dense, their feinthes virgate ; corolla- 
lobes usually erose ; leaves lanceolate ... .. (12) Krebsii. 
Section 5. Procanpra. Calyx 5-sect ; corolla-tube very short ;_ limb 
large campanulate ; anthers distinctly spirally twisted ; ovary acute ; ‘capsule 
pointed. 
Primary acaharpaaii short, never over st in., : ee 
much shorter.. pit “ai ‘ . (13) humilis. 
Primary -opeetel long, never under 3 7; usally 
longer... ; : : . (14) purpurascens. 
Section 6. Hrprocntron. Calyx 5-sect ; corolla-tube cylindric, narrowed 
under the limb ; anthers straight or rarely distinctly spirally twisted ; ovary 
acute ; capsule pointed. 
Leaf-bases rounded or cordate : 
Stems erect, strongly angular ;_ branches ascending ; 
pad longer than ao anthers _— 
. (15) Peglere. 
Stems decumbent, terete ; S nolice ce enlpe 
‘not longer than corolla-tube ; anthers straight (16) peduncularis. 
Leaf-bases cuneate : 
Stems erect ; leaf-margins not scabridulous : 
Stems simple or sparingly virgately — 
above ; leaves and flowers large x .. (17) jasminoides. 
Stems foc ga diffusely branched ; leaves and eae 
8 
Leaves 4 in. long or less, not more than twice 
as long as broad a ie fs .. (18) serpyllifolia. 
Leaves 3 in. long or longer, at least four times 
as long as broad : 
Corolla-lobes scnte “LE GO) Bae. 
Corolla-lobes obtuse... es) ts .. (20) floribunda. 
Stems below decumbent and rooting at the nodes ; 
reiiagoh a ye red ae a reatgce tae corolla- 
lobes acute.. ns i ed 1D maritima. 
Section 7. Ixocutroy. Calyx 5-fid, viscid ; corolla-tube cylindric, uniform ; 
anthers straight ; ovary acute ; capsule viscid, pointed. 
Stems erect ; leaves cuneate at the base : 
Calyx not longer than the corolla-tube, its lobes 
narrow, acute or acuminate : 
Leaves jandular-scabridulous especially near the 
peRocraipe re os. Sh ae .. (22) scabrida. 
Leaves not glandular-scabridulous ...—--. .. (23) tabularis. 
Calyx longer than the pageieabe “its lobes pera 
foliaceous ‘ sev (24) seege>: 
Stems decumbent or shen very a ; leaves 
cordate at the base ; age enamel ee Se 
tube, its lobes marrow, 8 ante (25) me! 
wee aoe wee 
