GENTIAN FAMILY. 293 



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

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

 dotted. (2) % 



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. ® 



-1- Corolla lobes fringed or erose. 



G. crinita, 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. serr^ta, Gunner. Has linear leaves and less fringe to the corolla, 

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



4- -i- Corolla lobes entire. 



G. quinquefI6ra, 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, \\'-2' long, with plaits at the sinuses, which project 

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

 corolla. % 



■t- Stems l°-2° high, hearing 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, tcith ovate lobes exceeding the usually toothed appendages of 

 the plaits. 



= Leaves and calyx lobes ciliate or rough-margined. 



G. Saponaria, Linn. Soapwort 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. pub^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 interm'^diate 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, Froel. 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 liuely scabrous. 



