388 SCROPHULARIACE.SC. (FIGWORT FAMILY.) 



spreading in fruit ; capsule obcordate-triangular, broadly notched, 16 - 24-seeded. 

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



V. HEDER^F6LiA, L. (IVY-LEAVED SPEEDWELL.) Leaves rounded o* 

 heart-shaped, 3 - 7 -toothed or lobed ; 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. BUCHNERA, 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-obovate, 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 and 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, the 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 (!' long). Moist sandy 

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



18. SEYMERIA, Pursh. 



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. macroph^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 and 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- 

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

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

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

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



