188 i SCROPHULARIACEAE, Vor. III. 
10. COLLINSIA Nutt. Journ. Acad. Phil. 1: 190. pl. 9. 1817. 
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 ereet 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. I‘ilaments 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. 1. C. verna, 
Leaves lanceolate; corolla-lobes obcordate. 2. C. violacea. 
Corolla 2”-3” long, the throat longer than the limb. 3. C. tenella, 
1. Collinsia vérna Nutt. Blue-eyed Mary. Innocence. Broad-leaved Collinsia. 
Fig. 3771. 
C. verna Nutt. Journ. Acad. Phil. 1: 190. pl. 9. 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, 1’-2’ long, floral leaves 
ovate to spatulate, mostly acute, dentate or entire; 
upper whorls 4-6-flowered; peduncles 4’-1’ 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, 24’-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’-15’ high. Leaves lan- 
ceolate or oblong-lanceolate, rather thick, entire or 
denticulate, obtuse or obtusish, the lower opposite, 
petioled, the middle similar, sessile, 1-2’ long, 3-5” 
wide, the floral linear or linear-lanceolate, opposite 
or verticillate; upper whorls 2-5-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. 
