GENTIAN FAMILY. 293 



Calumba); stem 3°-8° high ; leaves mostly in fours, lance-oblong, or the 

 lowest spatulate ; corolla 1' wide, greenish-yellow or whitish, and dark- 

 dotted. © % 



3. GENTIANA, GENTIAN. (Old name, from Gentius, king of 

 Illyria.) Chiefly in woods and damp ground; flowering chiefly in 

 autumn, a few in summer. 



* Corolla without plaits at the sinuses; anthers separate; seeds wing- 



less. ® 



«- Corolla lobes fringed or erose. 



G. crinlta, FroeL Fringed Gentian. Leaves lanceolate or broader, 

 with rounded or heart-shaped base ; flowers solitary on long peduncles 

 terminating the stem or simple branches ; calyx with 4 unequal lobes ; 

 corolla sky-blue, showy, 2' long, funnel form, the 4 wedge-obovate lobes 

 with margins cut into a long and delicate fringe. N. Eng., W. and S. 



G. serrata, Gunner. Has linear leaves and less fringe to the corolla, 

 often none at the top of the lobes. N. Y., W. 



*- *- Corolla lobes entire. 



G. quinquefl6ra, Lam. Branching ; leaves ovate-lanceolate or slightly 

 heart-shaped at base ; flowers panicled, hardly 1' long, the 5 lobes of the 

 pale blue corolla triangular-ovate, bristle-pointed. Me., S. and W., in 

 several varieties. 



# * Corolla naked, l£'-2' long, with plaits at the sinuses, which project 

 more or less into teeth or thin intermediate lobes; pod stalked in the 

 corolla, y. 



*- Stems l°-2° high, bearing clustered or rarely solitary 2-bracted flowers 

 at the summit of the leafy stem, and often in the upper axils also. 



++ Corolla between bell-shaped and short funnel form or obconical, mostly 

 open, with ovate lobes exceeding the usually toothed appendages of 

 the plaits. 



= Leaves and calyx lobes ciliate or rough-margined. 



G. Saponaria, Linn. Soapwokt G. Low woods, chiefly N. and 

 along the Alleghanies ; leaves lance-ovate, oblong, or obovate, narrowed 

 at base ; calyx lobes linear or spatulate ; corolla light blue or verging to 

 white, little open, its short and broad lobes longer than the conspicuous 

 2-cleft intermediate appendages ; anthers conniving or united ; seeds 

 narrowly-winged. 



G. pube'rula, Michx. Dry barrens and prairies N. Y., W. and S.; low, 

 roughish, or minutely pubescent, with lance-oblong, ovate, or linear 

 rough-margined leaves only l'-2' long ; calyx lobes lanceolate ; corolla 

 bright blue, open, its spreading ovate lobes 2 or 3 times longer than the 

 cut-toothed intermediate appendages ; seeds not covering the walls of the 

 pod, as they do in the related species. 



= = Leaves and calyx lobes smooth or very nearly so. 



G. alba, Muhl. Leaves lance-ovate from a partly heart-shaped base, 

 tapering thence to a point ; calyx lobes ovate, short ; corolla yellowish- 

 white, with short and broad lobes ; anthers conniving ; seeds broadly 

 winged. Ontario, W. and S., flowering at midsummer. 



G. linearis, Eroel. Grows from Md., N., in several forms ; stem slen- 

 der and strict, l°-2° ; leaves linear or narrow-lanceolate, somewhat nar- 

 rowed at the base ; calyx lobes linear or lanceolate ; flowers blue, narrow, 

 1-5 in a terminal cluster, the roundish lobes little longer than the acute 

 appendages ; seeds winged. Bracts sometimes finely scabrous. 



