EHINANTHACEAE 1077 



their axils ; blades linear, mostly less than 2 mm. wide, acute, very scabrous : pedicel 

 shorter than , the calyx, glabrous or nearly so: calyx-tul)e campanulate, 2.5-3.5 mm. 

 high, the lobes usually minute, often less than 0.5 mm. long: corolla rose-purple, 2-2.5 

 cm. long : capsules 4-5 mm. in diameter. 



In marshes or sometimes in dry soil, Virginia to Florida and Texas. Summer and fall. 



7. Gerardia purpurea L. Stems 2-7 dm. tall, simple or widely branched, smooth or 

 slightly scabrous. Leaves with few or no clusters in their axils ; blades linear, mostly less 

 tiian 3*mm. wide, 1-5 cm. long, slightly or not at all revolute : pedicel shorter than the 

 calyx : calyx-tube campanulate, 3-4 mm. high, the lobes triangular or lanceolate-tri- 

 angular, about i as long as the tube : corolla rose-purple, 2-2.5 cm. long : capsules 4-5 

 mm. in diameter. 



In swamps or low grounds, Maine and Ontario to Florida, Missouri and Texas. Summer and fall. 



8. Gerardia Pluken6tii Ell. Stems 3-7 dm. tall, freely branching, nearly smooth. 

 Leaves with few or no clusters in the axils ; blades filiform, 1-3 cm. long, incurved in age : 

 pedicel often apparently terminal, shorter than the calyx and capsule : calyx-tube 3- 

 3.5 nmi. high, commonly surpassed by the bracts, the lobes about i as long as the tube : 

 corolla lose-purple, mostly less than 1.5 cm. long : capsules subglobose, 4-5 mm. in diameter. 



In pine lands or dry woods, South Carolina to Florida and Alabama. Summer and fall. 



9. Gerardia Georgiana C. L. Boynton. Stems 6-7 dm. tall, smooth, with several 

 erect or ascending elongated branches above. Leaves numerous, those of the stem and 

 branches with clusters of smaller ones in their axils and approximate ; blades linear- 

 spatulate, revolute, mostly 8-12 mm. long, acute, scabrous : pedicels 1-3 mm. long : 

 calyx-tube campanulate, 2.5-3 mm. high, the lobes about 1 mm. long : corolla rose-purple, 

 about 1 cm. long : capsules about 2 mm. in diameter. 



In sand, Georgia and Florida. Fall. 



10. Gerardia paup6rcula (A. Gray) Britton. Stems stout, 1-5 dm. tall, simple or 

 branched above, smooth. Leaves thickish, the larger ones often with clusters of smaller 

 ones in their axils ; blades linear, 1-3 cm. long, acute, scabrous : pedicels usually shorter 

 than the calyx-tube, stout : calyx-tube campanulate, 3-4 mm. long, the lobes often nearly 

 ^ as long as the tube : corolla rose-purple, 1-1.5 cm. long : capsules 5-7 mm. in diameter. 



In bogs or low meadows, Quebec to Manitoba, Georgia, Alabama and the Indian Territory. Sum- 

 mer and fall. 



11. Gerardia micropliylla (A. Gray) Small. Stems slender, 3-8 dm. tall, slightly 

 scabrous, with several or many wire-like or filiform branches above. Leaves few and incon- 

 spicuous ; blades subulate or subulate-setaceous, 2-10 mm. long, acute, erect or nearly 

 so : pedicel often apparently terminal, mostly siiorter than the calyx and capsule : calyx- 

 tube campamdate, 2.5-3 mm. long, the lobes about } as long as the tube : corolla rose- 

 purple, 1-1.5 cm. long: capsules 4-6 mm. in diameter. [6-'. Plukenetii var. micropliylla 

 A. Gray.] 



In damp pine lands, Florida to Louisiana. Summer and fall. 



12. Gerardia maritima Raf. Stems 1-3 dm. tall, smooth, simple or ):)ranched above. 

 Leaf-blades rather succulent, linear or those on the lower part of the stem broadened up- 

 ward, 1-3 cm. long, obtuse, drying ))lack : pedicels club-shaped, 2-5 mm. long : calyx- 

 tube campanulate, 2-2.5 mm. high, the lobes rounded, barely i as long as the tube : corolla 

 rose-purple or rarely white, 1-1.5 cm. long : capsules 4-6 mm. in diameter. 



In salt marshes, Maine to Florida and Texas. Summer. 



13. Gerardia Skinneriana Wood. Stems 2-7 dm. tall, often slightly scabrous, 

 simple or branched above, angled. Leaves few, remote ; blades linear-spatulate' more or 

 less revolute, 0.5-1 cm. long, or rarely slightly longer: pedicel surpassing the calyx 

 and the bract : calyx-tube turbinate-campanulate, becoming campanulate, 2-3 mm. high, 

 the lobes minute, "triangular : corolla light rose-colored, about 1 cm. long, or shorter : 

 capsules globose-ovoid, 3-4 mm. long. 



In sandy soil, Massachusetts to Minnesota, Florida and Louisiana. Summer and fall. 



14. Gerardia filifolia jSTutt. Stems 3-7 dm. tall, branching, smooth and glabrous, 

 Leaves numerous, mostly alternate, small ones usually clustered in the axils of the larger ; 

 blades filiform or nearly so, 1-2.5 cm. long, smooth or nearly so : pedicels 1-3 cm. long, 

 surpassing the bracts : calyx-tube campanulate, 3-4 mm. high, the lobes about \ as long as 

 the tube ; corolla rose-purple, 1.5-2 cm. long : capsules 4-5 mm. in diameter. 



In low or dry pine lands, Georgia, Florida and Alabama. Fall. 



15. Gerardia setacea Walt. iStems 3-6 dm. tall, loosely branching, scabrous. 

 Leaves rather numerous, mostly opposite ; blades linear-filiform or setaceous-filiform, 

 1-2.5 cm. long, scabrous: pedicels 1-4 cm. long, surpassing the bracts: calyx-tube cam- 



