292 SCEOPHTJLARIACEiE. (fIGWORT FAMILY.) 



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

 lower leaves oboTatc-oblong, obtuse, the others oblong and lanceolate, sparingly 

 and coarsely toothed, veiny ; the uppermost linear-lanceolate, entire ; spike in- 

 ten'upted ; calyx longer than the bracts, one third the length of the deep-pui-ple 

 pubescent corolla. — Moist places, W. New York to Virginia, Kentucky, and 

 southwai'd. June -Aug. 



18. SEYMtlRIA, Pursh. Setmeeia. 



Calyx bell-shaped, deeply 5-cleft. CoroUa 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-cellcd ; the cells 

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

 mostly opposite and dissected or pinnatifid, the uppermost alternate and bract- 

 like. Flowers yellow, intemiptedly racemed or spiked. (Named by Pursh af- 

 ter Henrij Seyiner^ an English naturalist.) 



1. S. macroptiylla, Nutt. (Mcllein-Poxglove.) Eatlier pubes- 

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

 lanceolate divisions pinnatifid and incised ; the upper lanceolate ; tube of the 

 corolla incurved, very woolly inside, as are the filaments except their apex; 

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

 banks, Ohio, Kentucky, and southwestward. July. 



19. OERABOIA, L. Gerakdia. 



Calyx bell-shaped, 5-toothed or 5-cleft. Corolla bell-shaped -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-ceUed ; the cells par- 

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

 at the apex. Pod ovate, pointed, many-seeded. — Erect branching herbs (clan- 

 destine root-parasites), with the stem-leaves opposite, or the upper alternate, 

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

 often form a raceme or spike. Plowcrs showy, purple or yellow. (Dedicated 

 to the celebrated herbalist, Gerard. ) 



^ ] . GERARDIA proper. — Calyx-teeth short : corolla purple or rose-color : an- 

 thers all alike, nearly j^intless : leaves linear, eixiire. {Oar species are all hra^ich- 

 ing annuals. ) 

 * Peduncles shorter [or in No. 3 only twice longer) than the calyx : stem erect. 



1. G. purpurea, L. (Purple Gerardia.) Stem (8'-20' high) with 

 long and rigid widely spreading branches; leaves linear, acute, rough-margined ; 

 flowers large (1' long), bright pui^ple, often downy) ; calyx-teeth sharp-painted, 

 Bhorter than the tube. — Low grounds ; most common eastward and near the 

 coast. July, Aug. 



2. O. maritima, Raf. (Sea-side Gerardia.) Low (4'-12' high), 

 with shorter branches ; leaves rather fleshy and obtuse, as are the short calyx-teeth , 

 corolla ^' long. — Salt mai-shes along the coast. Aug. 



