i88 



SCROPHULARIACEAE. 



VOL. III. 



10. COLLINSIA Nutt. Journ. Acad. Phil, i : 190. pi p. 181.7. 



Winter-annual or biennial herbs, with opposite or verticillate leaves, and blue pink white 

 or variegated flowers, verticillate, or solitary in the axils. Calyx campanulate, 5-cleft. Corolla 

 irregular, the tube short, the limb 2-lipped ; upper lip 2-cleft, the lobes erect or recurved ; 

 lower lip larger, 3-lobed, the lateral lobes spreading or drooping, flat, the middle one condu- 

 plicate, keel-like, enclosing the 4 declined stamens and the filiform style. Stamens didy- 

 namous. Corolla with a gland on the upper side of the tube near the base. Filaments fili- 

 form ; anther-sacs confluent at the apex. Stigma small, capitate or 2-lobed. Capsule ovoid 

 or globose, septicidally 2-valved, the valves 2-cleft. Seeds few, large, peltate, concave on 

 the inner side. [Named for Zaccheus Collins, botanist, of Philadelphia, 1764-1831.] 



About 20 species, natives of North America. Type species : Collinsia verna Nutt. 



Corolla 5 "-8" long, the throat shorter than the limb. 



Leaves, at least the lower, ovate or oblong; corolla-lobes notched. 



Leaves lanceolate ; corolla-lobes obcordate. 

 Corolla 2" 3" long, the throat longer than the limb. 



1. C. verna. 



2. C. violacea. 



3. C. tenella. 



i. Collinsia verna Nutt. Blue-eyed Mary. Innocence. Broad-leaved Collinsia. 



Fig. 3771. 



C. verna Nutt. Journ. Acad. Phil, i : 190. pi. g. 1817. 



Glabrous or puberulent; stem slender, weak, 

 6'-2 long, simple or branched. Leaves thin, oppo- 

 site, the lower broadly ovate or orbicular, obtuse 

 at the apex, rounded, narrowed or subcordate at 

 the base, crenate or entire, slender-petioled; mid- 

 dle leaves sessile or cordate-clasping, ovate or 

 oblong, obtuse, dentate, i'-2' long, floral leaves 

 ovate to spatulate, mostly acute, dentate or entire; 

 upper whorls 4-6-flowered ; peduncles i'-i' long; 

 corolla 6"-8" long, its throat equalling or shorter 

 than the calyx, its lower lip blue, the upper purple 

 or nearly white, the lobes emarginate or truncate ; 

 capsule globose, 2i"-3" in diameter, shorter than 

 the linear calyx-lobes. 



In moist woods and thickets, Ontario and western 

 New York to Wisconsin, south to Pennsylvania, 

 Kentucky and Kansas. April-June. 



The California Collinsia bicolor Benth., which 

 differs from this by short-peduncled flowers, is re- 

 corded as found introduced in Illinois. 



2, Collinsia violacea Nutt. Violet or Nar- 

 row-leaved Collinsia. Fig. 3772. 



Collinsia violacea Nutt. Trans. Am. Phil. Soc. (II.) 

 5: 179. 1833-37. 



Similar to the preceding species, stem slender, 

 erect, usually branched, 6'-iS' high. Leaves lan- 

 ceolate or oblong-lanceolate, rather thick, entire or 

 denticulate, obtuse or obtusish, the lower opposite, 

 petioled, the middle similar, sessile, i'-2 r long, 3"-5" 

 wide, the floral linear or linear-lanceolate, opposite 

 or verticillate ; upper whorls 2-S-flowered : corolla 

 5"-6" long, violet, its lobes obcordate or emargi- 

 nate; capsule globose, about 2" in diameter, shorter 

 than the lanceolate acute calyx-lobes. 



Rich soil, Missouri, Kansas and Arkansas to Texas. 

 April-May. 



