586 ORDER 95. GENTIAN AC E^E. 



8 Or. Saponaria L. St. ascending or erect, smooth; fls. clustered at the summit 

 and often in the axils ; Ivs. ovate-lanceolate to lauce-obovate, acutish, rough- 

 margined, narrowed to the subclasping base; cal. segm. lance-linear or spatulate, 

 about equaling the tube, half as long as the corolla; cor. bright blue, lobes conni- 

 vent, ovate, open, twice (more or less) longer than the cleft folds. Va. to Ga. and 

 La. St. 8 to 18' high, slender or rather stout. Lvs. 1 to 2 to 3' long. Cor. 18" 

 to 2' long. Cal. segm. varying from lance-linear to lance-obovate ! Aug.. Sept. 



ft. LINEARIS. St. slender, ascending ; Ivs. linear and lance-linear, rigid ; cal. 

 segm. mostly linear ; cor. folds very short Can. to Car. and Ky. A common 

 form, so peculiar that we might as well perhaps regard it as a species. (G. 

 Pneumonanthe MX.) 



9 Or. puberula MX. St. erect or ascending, slender, rough, scarcely puberulent ; 

 fls. clustered, rarely solitary ; Ivg. ovate and ovate-lanceolate, half-clasping, very 

 rough-edged, acute, short but longer than the internodes ; cal. segm. lanceolate, 

 about as long as its tube, half as long as the subcampanulate, bright blue corolla ; 

 cor. subfunnel-form, lobes acute, thrice longer than the cleft folds. W. and S. 

 States. Plant 10 to 18' high, very leafy and scabrous. Lvs. 9'' to 20" long. 

 Fls. 15" long. It varies with leaves linear-lanceolate and less rough. (G. Cates- 

 bffii E1L) 



4. BARTCTNIA, Muhl. (Centaurella MX.) SCRBWSTEM. (Dedi- 

 cated in 1801, by Dr. Muhlcnburg, to Bay. P. Barton, Prof, of Bot- 

 any, Philadelphia.) Flowers 4-merous ; sepals appressed ; corolla sub- 

 campanulate ; petals slightly united, nearly erect ; stigma thick, glaiicl- 

 ulous, somewhat bifid; capsule 1-celled, 2-valvcd, invested by the per- 

 manent calyx and corolla ; seeds very numerous and minute. "U N. 

 American, slender, erect herbs, with scale-like Ivs. and small white fls. 



1 B. verna Muhl. St. short, simple ; ped. \-flowered, the lower much longer, often 

 alternate ; cor. segm. spatulate, obtuse, thrice longer than the calyx ; ova. conical, 

 tipped with the distinct style. Bogs, Ya. to Ga. Sts. 3 to 5' high, clustered. 

 Scales 1" long, as in the other, the fls. white, 3" long. March. 



2 B. tenella Muhl. St. branching above, branches subdivided ; Ivs. subulate, 

 minute; pan. erect, many-flowered; pedicels subequal ; sep. distinct, a third shorter 

 than the corolla; ova. ovate, sty. almost 0. A slender and nearly naked plant, 5 

 to 8' high, of a yellowish-green color, in wet grounds, Mass, to Ga. St. square, 

 often twisted, with very minute, bract-like leaves, which are mostly opposite. 

 Ped. simple or branched. Pedicels bracteate at base, 2 to 3" to 5" in length. 

 Cal. segm. linear-lanceolate, acute. Cor. white, small, 1|" long. Aug. 



(3. BRACHIATA. Branches and pedicels elongated, decurved, i. e., outwards and 

 upwards, and often alternate ; cor. more open, lobes very acute, twice longer 

 than the calyx. Southward (B. Moseri Steud.). 



5. FRA V SERA, Walt. COLUMBO. (In honor 6f John Frascr, an 

 American cultivator of exotics.) Flowers mostly tetramerous ; petals 

 united at base, oval, spreading, deciduous, each with 1 or 2 bearded, or- 

 bicular glands in the middle ; style 1 ; stigmas 2, distinct ; capsule 

 compressed, 1-celled ; seeds few, imbricate, large, elliptic, margined. 

 2 Showy and tall, with opposite or verticillate leaves. 



F. Carolinensis Walt. St. tall, erect, glabrous, branched above ; Ivs. oblong, 

 lanceolate, acutish, sessile, feather- veined, entire or wavy ; panicle compound, 

 pyramidal, leafy, verticillate ; cal. segments acute, shorter than the oblong, obtus- 

 ish petals ; gland solitary, oval-orbicular. Moist woods, Western K Y.. Wis. and 

 S. Car. Stem dark purple, 4 7 9fl high, perfectly straight, 1 2' thick at 

 base. Leaves smooth, subcarnous, 3 12' by 1 3', in whorls of 4 6, rarely 

 opposite. Petals greenish, with blue dots and a large purple gland near the base. 

 June, July. Highly valued as a tonic. 



6. HALE V NIA, Borkh. FELWORT. (Derivation unknown.) Flowers 



corolla short-campanulate, petals spurred at base, with 



