ORDER 86. SCROPHULARIACE^E. 527 



& Racemes opposite, axillary. Capsule roundish, cmarginate Nos. 2, J5 



a. Racemes alternate, axillary. Capsule not rounded, very flat Nos. 4. f> 



a Kacemes terminal, or the flowers axillary and not raceined. (b) 



b Floral leaves like the rest, not longer than the recurved peduncles Nos. 6 <J 



b Floral leaves bractlike, longer than the erect peduncles, (c) 



C Perennial. Peduncles equaling or exceeding tho calyx Nos. 9, 10, 14 



C Annual. Peduncles shorter than the calyx or none Nos. 11, IS 



1. V. Virginica L. CULVER'S PHYSIC. Erect, tall, glabrous; Ivs. verticiUale in 

 4s, 5s, or Gs, lance-ovate to lance-linear ; spikes mostly several, paniculate. 11 

 Woods, thickets and barrens, Can. to Ga., "W. to Iowa. A conspicuous plant 

 arising 2 5f. Stem simple, straight, smooth, with whorls of acuminate, finelv 

 serrate leaves which are subpetiolate and glaucous beneath. Flowers numerous, 

 nearly sessile, in spikes 3 to 10' long. Corolla white, tubular, pubescent inside. 

 Stamens and style twice as long as tho corolla. JL (Leptandra Virginica 

 Nutt.) 



2 V. Anagallis L. Glabrous erect ; Ivs. sessik, clasping and subcordate, lanceolate, 

 aculish, entire or serrulate ; rac. in opposite axils ; caps, orbicular, slightly notched 

 If A smooth, fleshy plant, frequenting the borders of brooks and pools, Can. 

 and U. S. Stem about If high. Leaves 2 3' by 5 7". Racemes (some- 

 times but 1 at a node) longer than the leaves, loose, pedicels (2 3") scarcely 

 longer than the bracts. Flowers bluish-purple, small Jn., Jl. 



3 V. Americana Schwenitz. BROOKLIME. Glabrous, decumbent at base, erect, 

 above ; Ivs. ovate or ovate-obhnj, acute or obtusish ; serrate, petiolate, abrupt at 

 base ; rac. opposite, loose ; caps, roundish, turgid, emarginate. If In brooks and 

 char waters, Can. and U. S. Plant rather fleshy, very smooth, 12 18' long, 

 more or less decumbent and rooting at base. Leaves 1 2' long, petioles mar- 

 gined. Racemes longer than the leaves. Pedicels (3 5") twice longer than tho 

 bracts. Flowers blue or bluish-purple. Jn., Jl. (V. Beccabunga Am. authors.) 



4 V. scutellaria L. SKULL-CAP. SPEEDWELL. Glabrous, ascending, weak ; Ivs. 

 linear or lance-linear, sessile, acute, remotely denticulate ; rac. in alternate axils 

 very loose ; pedicels divaricate ; capsule flat, broader than long, cordate at bottk 

 ends. U Slender and weak, in swamps and marshes, N. Eng. and W. States, and 

 Brit. Am., common. St. 10 to 1G' high. Lvs. (2 to 3' by 2 to 3") much longer 

 rtian the internodes. Ped. and pedicels filiform, the latter (6 to 9'') six times 

 longer than the bracts. Fls. rathor large, flesh-color, with purple lines. Jn. 

 Aug. 



5 V. officinalis L. OFFICINAL SPEEDWELL Rouglrish-pubescent ; St. prostrate, 

 branched ; Ivs. briefly petiolate, and subsesiile, obovate-elliptic or oblong, obtuse, ser- 

 rate, mostly narrowed to the base ; rac. dense, many-flowered ; pedicels shorter 

 than the calyx; caps, puberulent. obovate- triangular, slightly emarginate. 11 

 In dry woods arid open fields, Can. to Ga., rare. Plant trailing, 6 to 12' long, 

 with ascending branches. Lvs. 1' to 18" by 6 to 9". Fls. pale blue, forming 

 rather long, axillary, erect, pedunculate spikes. May Jl Eur. 



6 V. Buxbaumii Tenore. Prostrate, hairy; Ivs. roundish-ovate, coarsely cre- 

 nate-serrate, the floral similar, all on short petioles ; ped. longer than the Ivs. ; caps, 

 triangular-obcordate, broader than long. Rare in waste grounds, E. States. Plant 

 7 to 12' long, Ivs. nearly 1' long. Cal. spreading 4 to 6". Cor. larger than the 

 calyx, blue. Caps, oo-seeded. 



7 V. agrstis L. NECKWEED. St. procumbent, diffusely branching ; Ivs. cordatc- 

 ovnte, deeply crenate-serrate, floral similar, all petiolate ; ped. as long as the leaves : 

 raps, roundish, acutely notched, oo-seeded. CD In cultivated fields, Can. and At- 

 lantic States, not common. A small, pilous plant, 2 to 8' long, branching mostly 

 at base. Tho Ivs. are roundish-ovate, the lower shorter than their petioles, tho 

 upper alternate. Fls. small, light blue, veined, their stalks recurved in fruit. 

 Segm. of the cal. fringed, ovate, equal. May Sept. Eur. 



8 V. hederaefolia L. Prostrate, pilous ; Ivs. petiolate, cordate, roundish, coarsely 

 3 to 5-toothed or lobed; ped. scarcely longer than the Ivs. ; sep. triangular, subcor- 

 date, acute, closed in fruit; caps, turgid, ^-seeded. Dry or rocky soils, L. JsL to 

 Del., rare. St. diffusely branched. Lvs. rather fleshy, 6 to 12" d:am., the upper 

 larger and alternate. Cal. segm. ciliate. Cor. smaller than the calyx, blue. Mar., 

 May. Eur. 



