256 



CAMPANULACEAE. 



[Vol. III. 



i. Legouzia bifldra (R. & P.) Britton. 

 Small Venus' Looking-glass. (Fig. 3497.) 



Campanula biflora R. & P. Fl. Per. 2: 55. pi. 200, f. 6. 



1799. 

 Specularia biflora A. Gray, Proc. Am. Acad. 11: 82. 



1876. 

 Legouzia biflora Britton, Mem. Torr. Club, 5: 309. 



1894. 



Glabrous, or nearly so; stem simple or branched, 

 very slender, roughish on the angles, 6 / -2 high. 

 Leaves ovate, oblong, or the upper lanceolate, ses- 

 sile, acute or obtuse at the apex, crenate with a few 

 teeth, or entire, 4 // -io // long, or the upper smaller; 

 earlier flowers with 3 or 4 ovate to lanceolate calyx- 

 lobes, those of the later flowers 4 or 5, lanceolate-sub- 

 ulate, longer; capsule oblong-cylindric, 3 // ~5 // long, 

 opeuing by valves close under the calyx-teeth. 



In dry soil, Virginia to Tennessee, Kansas, Florida 

 and Texas. Also in California and South America. 

 April-July. 



2. Legouzia perfoliata (L.) Britton. 



Venus' Looking-glass. (Fig. 3498.) 



Campanula perfoliata L. Sp. PI. 169. 1753. 

 Specularia perfoliata A. DC. Mon. Campan. 351. 



1830. 

 L. perfoliata Britton, Mem. Torr. Club, 5: 309. 1894. 



More or less pubescent; stem densely leafy, 

 simple or branched from near the base, slender, 

 rather weak, sometimes prostrate, retrorse-his- 

 pid on the angles, or nearly smooth, 6 / -24 / long. 

 Leaves orbicular or broadly ovate, strongly cor- 

 date-clasping or the lower merely sessile, cre- 

 nate-dentate or sometimes entire, X /_l/ wide; 

 flowers solitary or 2-3 together in the axils, ses- 

 sile, the later (upper) ones with 5 (rarely 4) 

 triangulardanceolate acuminate rigid calyx- 

 lobes, and a rotate blue or violet corolla 5 // -io // 

 broad, the earlier ones with 3-4 shorter calyx- 

 lobes longer than the rudimentary corolla; cap- 

 sule oblong, or narrowly turbinate, 2 // -3 // long, 

 Anally opening at about the middle; seeds len- 

 ticular. 



In dry woods, Maine and Ontario to British Columbia, south to Florida, Louisiana, Mexico, Utah 

 and Oregon. Called also Clasping Bellflower. May-Sept. 



3. Legouzia leptocarpa (Nutt.) Brit- 

 ton. Western Venus' Looking-glass. 

 (Fig. 3499-) 



Campylocera leptocarpa Nutt. Trans. Am. Phil. Soc. 



(11)8:257. 1843. 

 Specularia leptocarpa A. Gra5% Proc. Am. Acad. 11 : 82. 



1876. 

 L. leptocarpa Britton, Mem. Torr. Club, 5: 309. 1S94. 



Hirsute, or nearly glabrous; stem slender, simple, 

 or branched from the base, 6 / -i5 / high. Leaves 

 linear-lanceolate to oblong, sessile, not clasping, 

 acute at both ends, or the lowest obtuse at the apex, 

 entire or sparingly denticulate, y 2 / -i / long, i // -2 // 

 wide; flowers sessile and usually solitary in the 

 axils, the later ones with 4-5 subulate calyx-lobes 

 and a rotate corolla 5 // ~9 // broad, the earlier ones 

 with 3 shorter calyx-lobes and rudimentary corolla; 

 capsule linear-cylindric, 4 // -8 // long, less than \' r 

 thick; the upper at length opening near the sum- 

 mit; seeds oblong. 



In dry soil, western Missouri and Kansas to Montana 

 and Texas. May-Aug. 



