586 OBDKR 95. GEtfTIANACEJS. 



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

 and often in the axils; Ivs. ovate-lancvolate tj lance-obovate, acutish, rough- 

 margined, narrowed to the subclasping lave; c.il. segm. lance-linear or spatulate, 

 about equaling the tub3, half as long as tlu 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' Ion?. Gal. segm. varying from lance-linear to lance-obovatc ! Aug., Sept 



/3. LIN;CARIS. St. slender, ascending : Ivs. linear and lance-linear, rigid ; cal. 

 83gm. 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. 

 Pueumonantho MX.) 



9 G. puberula MX. St. erect or ascending, tlender, rouyh, scarcely puberulent ; 

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

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

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

 cor. subfunnel-form, lobes acute, thrico 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 Ln.ar-lanceolato and Ies3 rough. (G. Cates- 

 ba3i E1L) 



4. BARTOTNIA, Muhl. (Centaurclla MX.) SCREWSTEM. (Dedi- 

 cated in 1801, by Dr. Muhlenburg, to Bcnj. F. Barton, Prof, of Bot- 

 any, Philadelphia.) Flowers 4-mcrous ; sepals apprcssed ; corolla sub- 

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

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

 manent calyx and corolla; seeds very numerous and minute. ~>4 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, obtuie, thrice longer than the calyx; ova. conical, 

 tipped with tJie d^&tinct style. Bogs, Va. to Ga. Sts. 3 to 5' high, clustered. 

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



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

 minute; pan. erect, many -flow er ed ; pedicels subequal ; sep. distinct, a third shorter 

 than the corolla; ova. ovate, sty. alrr<.cst 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 aro mostly opposite. 

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

 Cal. segrn. linear-lanceolate, acuto. Cor. white, small, 1A" long. Aug. 



/3. B3ACIHATA. Branches and pedicels elongated, decurved, i. c., outwards and 

 upwards, and often alternate ; car. nioro open, lobes very acute, twice longer 

 than tiio calyx. Southward (B. Moscii Steud.). 



5. FRA'SERA, Walt. COLOMBO. (In honor of John Fmscr, an 

 American cultivator of exotics.) Flowers mostly tetramerous ; petals 

 united at base, < -v;il, spreading, deciduous, each with 1 or 2 bearded, or- 

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

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

 Z Showy av.d tall, with opposite or verticillate leaves. 



I 1 . Carolindnsis Y\ : alt. St. tall, erect, glabrous, branched above ; Ivs. oblong, 

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

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

 ish petals: glan 1 solitary, oval-orbicular. MoLt woods, Western N. Y., Wis. and 

 S. Car. Stem dark purple, 4 7 9f! high, perfectly straight, ] 2' thick at 

 base. Leaves smooth, subcarnous, 312' by 1 3', in whorls of 4 6, rarely 

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

 June, July. Highly valued as a tonic. 



6. HALE V I1!A, Borkh. FELWORT. (Derivation unknown.) Flowers 

 'tetramerous ; corolla short-campatiulate, petals spurred at base, with 



