388 SCROPHULARIACE^. (fIGWORT FAMILY.) 



spreading in fruit ; capsule obcordate-triangular, broadly notched, 1 6 - 24-seeded. 

 — Waste grounds, rare in Atlantic States. (Adv. from Eu.) 



V. heder^f6lia, L. (Ivy-leaved Speedwell.) Leaves rounded or 

 heart-shaped, 3- 7-<oo^Aec? or /o<[)ef/; calyx-lobes somewhat heart-shaped ; flow- 

 ers small; capsule turgid, 2-lobed, 2-4-seeded. — Shaded places, N. J., Penn,, 

 etc. April- June. (Adv. from Eu.) 



17. BtJCHNERA, L. Blue-Hearts. 



Calyx tubular, obscurely nerved, 5-toothed. Corolla salver-form, with a 

 straight or curved tube and an almost equally 5-cleft limb, the lobes oblong 

 or wedge-oboA'ate, flat. Stamens 4, included, approximate in pairs ; anthers 

 one-celled (the other cell wanting). Style club-shaped and entire. Capsule 

 2-valved, many-seeded.— Perennial rough-hairy herbs (doubtless root-parasitic), 

 turning blackish in drying, with opposite leaves, or the uppermost alternate ; 

 the flowers opposite in a terminal spike, bracted aud with 2 bractlets. (Named 

 in honor of /. G. Buchner, an early German botanist.) 



1. B. Americana, L. Rough-hairy; stem wand-like (1-2° high); 

 lower leaves obovate-oblong, tlie others ovate-oblong to linear-lanceolate, spar- 

 ingly and coarsely toothed, veiny ; spike interrupted ; calyx longer than the 

 bracts, one third the length of the deep-purple corolla (T long). — Moist sandy 

 ground, western N. Y. to Minn., and southward. June -Aug. 



18. SEYMERIA, Pmsh. 



Calyx bell-shaped, deeply 5-cleft. Corolla with a short and broad tube, not 

 longer than the 5 ovate or oblong nearly equal and spreading lobes. Stamens 

 4, somewhat equal ; anthers approximate by pairs, oblong, 2-celled ; the cells 

 equal and pointless. Capsule many-seeded. — Erect branching herbs, with the 

 general aspect and character of Gerardia ; leaves mostly opposite and dissected 

 or pinnatifid, the uppermost alternate and bract-like. Flowers yellow, interrupt- 

 edly racemed or spiked. (Named for Henry Seymer, an English naturalist.) 



1. S. raacroph;^lla, Nutt. (Mullein-Foxglove.) Rather pubescent 

 (4-5° high) ; leaves large, the lower pinnately divided, with the broadly lan- 

 ceolate divisions pinnatifid and incised, the upper lanceolate ; tube of the corolla 

 incurved, very woolly inside, as are the filaments except at the apex ; style 

 short, dilated and notched at the point ; capsule ovate, pointed. — Shady river- 

 banks, Ohio to Iowa, south to Tex. July. 



19. GERARDIA, L. 



Calyx bell-shaped, 5-toothed or 5-cleft. Corolla campanulate-funnel-form, or 

 somewhat tubular, swelling above, with 5 more or less unequal spreading lobes, 

 the 2 upper usually rather smaller aud more united. Stamens 4, strongly di- 

 dynamous, included, hairy ; anthers approaching by pairs, 2-celled, the cells 

 parallel, often pointed at base. Style elongated, mostly enlarged and flattened 

 at the apex. Capsule globular or ovate, pointed, many-seeded. — Erect branch- 

 mg herbs (more or less root-parasitic) ; stem-leaves opposite, or the upper alter- 

 nate, the uppermost reduced to bracts and subtending 1 flowered peduncles, 

 whicli often form a raceme or spike. Flowers showy, purple or yellow ; in late 

 summer aud autumn. (Dedicated to the celebrated herbalist, John Gerarde.) 



