40G XCI. SCROPHULARIACEiE. Veronica. 



4. V. scuTELLATA. Skull-caj) Of Mar sh Speedwell, 



Glabrous, ascending, weak ; Ivs. linear or lance-linear, sessile, acute, re- 

 motely denticulate ; rac. in alternate axils, very loose ; pedicels AiYdiiicdAe; caps. 

 compressed, broadly obcordate. — %. slender and weak, in swamps and marshes, 

 N. Eng. and Western States, and Brit. Am., common. Stem 10 — 16' high. 

 Leaves (2 — 3' by 2 — 3") much longer than the internodes. Peduncles and ped- 

 icels filiform, the latter (G — 9") six times longer than the bracts. Flowers 

 rather large, flesh-color, with purple lines. Jn. — Aug. 



5. V. OFFICINALIS. Officinal SpeedivcU. 



Roiighish-pubescent ; st. prostrate, branched; Ivs. briefly petiolale, and 

 subsessile, obovate-elliptic or oblong, obtuse, serrate, mostly narrowed to the 

 base ; rac. dense, many-flowered ; pedicels shorter than the calyx ; caps, puberu- 

 lent, obovate-triangular, slightly emarginate. — %. in dry woods and open iields, 

 Can. to Ga. Plant trailing, 6 — ^2' long, with ascending branches. The leaves 

 vary from ovate to obovate, but are generally elliptical, 1 — 1^' in length. The 

 flowers are pale blue, forming rather long, axillary, erect, pedunculate spikes. 

 Found in dry woods and open fields. May — .Tl. ^ 

 * * Race7ne terminal. 



6. V. SERPYLLiFOLiA. Thifine-lcaved or Smooth Speedwell. 

 Subglabrous, much branched below ; sis. ascending ; Ivs. oval, subcrenate, 



obtuse, lower roundish and petiolate, upper sessile, passing abruptly into ob- 

 long, entire, alternate bracts ; ped. as long as the ovate sepals ; caps, obcordate, 

 broader than long. — %. Meadows and mountain valleys, in grass, &c., U. S. and 

 Can, Plant varying in height from 3' to 12'. Leaves rather flesh)', 3-veined, 

 orbicular and oval and ovate, 4 — 12" long, petioles — 2". Racemes bracted, 

 rather close in flower, elongating in fruit to 2 — 5'. Corolla scarcelj'^ exceed- 

 ing the calyx, blue and white, beautifully penciled with pmple lines. May — 

 August. 



* ** Annual. Flmccrs axillary, solitary, scarcely racemed. 



7. V. PEREGRiNA. (V. Marilaudica. Willd.) Purslane Speedwell. 

 Ascending, subglabrous ; loicest Ivs. petiolate, oval-oblong, dentate-serrate, 



obtuse, upper sessile, oblong, obtuse, serrate or entire, /oroZ ones oblong-linear, 

 entire, longer than the subsessile flowers ; caps, suborbicular, slightly notched^ 

 the lobes rounded. — Throughout N. America, in fields or clayey soils. Plant 

 often branched from the base, 4 — 10' high. Leaves rather fleshy, the upper 

 cauline 6 — 1 1" long, floral much smaller. Sepals oblong, longer than the pale 

 blue or white corolla. Capsule hardly broader than long. May, June. 



8. V. ARVENSis. Field Veronica. Corn Speedwell. 



Puberulent-pilose, simple or branched, erect or assurgent ; Ivs. cordate- 

 ovate, incisely crenate, lower ones petiolate, upper and floral alternate, lanceo- 

 late, crenate, sessile. — Frequent in dry fields, N. H. to Car. W. to the Miss. 

 A small, pubescent, pale green plant, 2 — 6' high. Stem nearly erect, branching 

 fi'om the base, the leaves assurgent. Flowers on short peduncles, corolla shorter 

 than the calyx, pale blue, beautifully penciled with purple lines. May, June. ^ 



P.l (V. renitbrmis. Raf.) Z,^'5. sessile, reniform, entire. 



9. V. AGRESTis, Neckweed. Field Speedwell. 



(S/. procumbent, difilisely branching; Ivs. cordate-ovate, petiolate, deeply 

 serrate, floral ones lanceolate ; 7;^^. as long as the leaves. — In cultivated 

 fields, Can, to Ga. and La. A small, pilose plant, 2 — 8' long, with a round, 

 leafy, hairy stem, branching mostly at the base. The leaves are roundish- 

 ovate, shorter than their petioles, the upper alternate. Flowers small, light 

 blue, veined, their stalks recurved in fruit. Segments of the calyx fringed, 

 ovate, equal. Seeds concave beneath. May — Sept. 



10. V. HEDER^FOLiA. Ivy-leavcd Speedwell. 



Prostrate, pilose ; Ivs. petiolate, cordate, roundish, mostly 3 — 5-tcothed or 

 lobed ; ped. scarcely longer than the leaves ; sep. triangular, subcordate, acute, 

 at length erect. — Dry or rocky soils, L. L to Del. Stem diff'usely branched. 

 Leaves rather fleshy, the lower smaller, opposite, upper cauline broadly cor- 

 date or truncate at base, alternate as well as the floral. Calyx somewhat 4- 



