720 SCKOPHULAEIACBAE (PIGWORT FAMILY;) 



1- -1- Flowers bine or purple. 



** Corolla equaling or longer than the pedicels. 



l^ 8. L. canadensis (L.) Dumont. Slender, glabrous; flowering stems nearlj 

 simple, 2-8 dm. high ; leaves flat, 2-4 mni. wide ; racemes slender, naked, loose ; 

 corolla 1 cm. or less long, sometimes wanting (in reduced and cleistogamous 

 flowers). — Sandy soil, N. B. and centr. Me., westw. and soutliw. 



•M- ++ Corolla much shorter than the slender axillary pedicels. 



4. L. M^NOR (L.) Desf. Low hranched glandular annual, 1-3 dm., high; 

 leaves spatulate-linear ; corolla 5-8 mm. long. — Ballast and made land, .Aftlantic 

 coast to Ont. and Mich. (Adv. from Eu.) 



* * Annual, procumbent, much branched, with broad petioled veiny alternate 

 leaves, and small purplish and yellow flowers from their axils' 



■*- Pubescent. 



5. L. ElatIne (L.) Mill. Leaves hastate or the lower ovate, much surpassed 

 by the filiform peduncles ; calyx-lobes lanceolate, acute ; corolla 0.5-1 cm. long, 

 including the subulate spur. (^Elatinoides Wettst.) — Sandy banks, shores and 

 waste plaees, Mass. to N. C. and Mo., rather rare. (Nat. from Eu.) 



6. L. sptiRiA (L.) Mill. Like the preceding, but with roundish or cordate 

 leaves and ovate or cordate calyx-lobes. (Elatinoides Wettst.) — Occasional on 

 ballast or waste grounds. (Adv. from Eu. ) 



t- t- Glabrous. 



7. L. CtmbalXria (L.) Mill. (Kenilworth or Coliseum Ivy.) Leaves 

 reniform-orbicular, 5-9-lobed ; peduncles slender, becoming recurved in fruit ; 

 calyx-lobes lanceolate. ( Cymbalaria Wettst.) — Waste places and ballast ; also 

 cultivated. (Adv. from Eu.) 



3. ANTIRRHINUM [Tourn.] L. Snapdragon 



Calyx 5-parted. Corolla-tube saccate or gibbous in front, not spurred; the 

 lower lip 3-lobed, spreading, developed at the base into a prominent palate, 

 which nearly or quite closes the throat ; upper lip erect, shortly 2-lobed. Sta- 

 mens 4, didynamous, included ; anther-cells distinct and parallel. — Ours herba- 

 ceous plants with lance-oblong to linear entire leaves and axillary or racemose 

 flowers. (Name from Avri, in the sense of like, and ^is, a snout, in reference 

 doubtless to the peculiar form of the corolla.) 



1. A. ORdNTiuM L. Slender usually branched annual, pubescent or smooth- 

 ish ; leaves linear ; calyx-lobes linear, exceeding the capsule ; corolla purple or 

 white, 1-1.6 cm. long. — Casual in fields, about dumping grounds, etc., rather 

 rare. (Adv. from Eu.) 



2. A. MXjns L. PereramaZ, glandular-pubescent .and somewhat ii8sci(Z; leaves • 

 lance-oblong; calyx-lobes ovate or oblong, short; corolla crimson, white, or 

 variegated, 2-3 cm. long. — Commonly cultivated, and occasionally found as an 

 escape. (Introd. from Eu.) 



4. COLLInSIA Nutt. 



Calyx deeply 5-cleft. Corolla declined ; upper lip 2-cleft, its lobes partly 

 turned backward. Fifth stamen gland-like. Capsule 4-many-seeded. — Slen- 

 der annuals or biennials, with party-colored flowers in umbel-like clusters, 

 appearing whorled in the axils of the upper leaves. (Dedicated to Zaccheus 

 Collins, Philadelphian botanist, 1764-1831.) 



1. C. v6rna Nutt. (Blue-eyed Mary.) Slender, 1.5-6 dm. high; lower 

 leaves ovate, the upper ovate-lanceolate, clasping by the heart-shaped base, 

 toothed ; whorls about Q-flowered ; flowers long-peduncled ; corolla blue and 

 white, 1-1.5 cm. long, more than twice exceeding the calyx. — Moist soil, Ont. 

 and N. Y. to la., and southw. Apr. -June. 



