Gerardia. XCI. SCROPHULARIACE^. 407 



angled in fruit, segments ciliate at edge. Corolla smaller than the calyx, blue, 

 caducous. Capsule turgid, broader than long, 4-seeded. Mar. — May. 



11. v. spiCATA. Spiked Speedwell. — Erect, tall; Ivs. petiolate, ovate-oblong 

 or lanceolate, lower ones obtuse, crenate, upper acute, crenate-serrate, entire at 

 apex ; roc. mostly solitary ; pedicels much shorter than the sepals ; cal. mostly 

 hoary-pubescent. — %. Europe and Asia. A beautiful garden species with nu- 

 merous varieties. Flowers blue, roseate, &c. f 



Tribe 9. BUCHNERE^. 



20. BUCHNfiRA. 



Named by Linnaeua, in honor of J. G. Buchner, a German botanist, 1743. 



Calyx 5-toothed ; corolla tube slender, limb flat, in 5 cordate, sub- 

 equal lobes ; capsule 2-valved. — Herbs with the lower Ivs. opposite.^ the 

 upper alternate. Flowers in a terminal spike (sta. 4, included). 



B. Americana. Blue-hearts. 



Lvs. ovate-lanceolate, denticulate, scabrous, 3-veined, sessile ; jls. remotely 

 spiked. — % In low grounds, N. Y. to Mo. and Ga. Stem 1 — 2f high, simple or 

 slightly branched, slender and terete, ending in a long, loose and somewhat 

 virgate spike of purple flowers. Leaves 1 — 2' long, very rough, appressed to 

 the stem. Flowers axillary and sessile. Stamens inserted, 2 in the throat of 

 the corolla, and 2 in the middle of the tube. Calyx half as long as tube ot 

 corolla. Aug. 



Tribe 10. GERARDIE.^. 



Inflorescence centripetal, racemose. Leaves, at least the lower, opposite. 

 Corolla tube dilated, limbs spreading, lobes flat, subregular. Stamens ap- 

 proximating in pairs. 



21. SEYMERIA. Pursh. 

 Calyx deeply 5-cleft ; cor. tube short, dilated, 5-lobed, lobes ovate 

 or oblong, entire, equaling or longer than the tube ; sta. 4, subequal ; 

 valves of the capsule loculicidal, entire ; seeds 00. — Herbs erect, 

 branching. Cauline lvs. mostly opposite and incised. Fls. yellow. 

 S. MACROPHYLLA. Nutt. Large-leavcd Seymeria. 



Erect, tall, sparingly pubescent; lvs. large, the lower deeply pinnatifid, 

 segments lance-oblong, incised, terminal one the largest, upper lanceolate, ser- 

 rate or entire ; car. tube incurved, scarcely longer than the limb ; sty. short, di- 

 lated and slightly bifid at apex ; caps, ovate-acuminate. — % In woods, White 

 River Valley, la.! Ohio, Clark I Xo Ark. The plant has much the aspect of 

 Dasystoma. Height, 4 — 6f. Lower leaves (5 — 7' by 2 — 3') lance-ovate in 

 outline, floral (2 — 3') mostly opposite. Corolla i' long, very woolly within. 

 Capsule a little shorter and broader. July. 



22. GERARDIA. 



Named by Linnceus, in honor of John Gerard, an English botaniit of the 16th century. 



Calyx campanulate, briefly or narrowly 5-toothed ; cor. tubular, ven- 

 tricose or subcampanulate, tube longer than the 5 broad, entire lobes ; 

 sta. didynamous, in pairs, shorter than the corolla, anth. all equal ; 

 caps, obtuse, or briefly acuminate ; seeds 00. — American herbs, rarely 

 suffruticose. Lvs. opposite. Fvs. axillary, solitary., purple or rose-color. 

 1. G. piiRPURKA. Largc-pnnered Purple Gcrardia. 



S<. angular, much branched; lvs. linear, narrow, acute ;/5. subsessile, 

 scattered; cal. seg7nents subulate. — ® Found in wet pastures and swamps, N. 

 Eng. to 111. and Ga. Stem slender, branching, erect, smooth, obtu.se-angled, 1 

 — 2f high. Leaves entire, rou?hish, 8 — 15" long, and about 2" wide, coiled up 

 in dr}'ing. Flowers large, a.xillary, often opposite, purple, on very short stalks. 

 Aug 



35 



