176 



SCROrHULARIACEAE. 



[Vol. III. 



Gerardia purpurea L,. 



Large Purple Gerardia. (Fig. 3310.) 

 Gerardia purpurea L- Sp. PI. 610. 1753. 



Annual, glabrous, smooth, or roughish; stem 

 slender, branched, i-2^ high, the branches 

 spreading or ascending. Leaves narrowly lin- 

 ear, usually widely spreading, iZ-i^' long, 

 about l // wide, sometimes with smaller ones fas- 

 cicled in their axils; flowers racemose on the 

 branches, purple (rarely white), about \' long 

 and broad; pedicels shorter than or but little 

 longer than the campanulate calyx, even in 

 fruit; calyx-teeth triangular -lanceolate or ovate- 

 oblong, acute, one-third to one-half the length of 

 the tube; corolla much expanded above, villous 

 or nearly glabrous within, the lobes ciliolate; an- 

 thers all alike, the sacs mucronulate at the base; 

 filaments villous; capsule globose, 2"-$" in 

 diameter, longer than the calyx. 



In moist fields and meadows, Maine and south- 

 ern Ontario to Florida, mostly near the coast. 

 Aug.-Oct. 



4. Gerardia paupercula (A. Gray) Britton. 



(Fig. 3311.) 

 Gerardia purpurea var. paupercula A. Gray, Syn. 



2: Part 1, 293. 1878. 

 Gerardia intermedia Porter; A. Gray, loc. cit. As 



synonym. 1878. 

 G. paupercula Britton, Mem. Torr. Club, 5: 295. 1S94. 



Annual, glabrous and smooth or very nearly 

 so; stems strict, branched above, S'-iS' high, 

 the branches nearly erect. Leaves narrowly 

 linear, Yz'-x' long, ty'-x" wide, spreading or 

 ascending; pedicels equalling the calyx, or 

 longer in fruit; calyx campanulate, its teeth 

 about one-half the length of the tube, triangular- 

 lanceolate, acute, or acuminate; corolla 6 // -io // 

 long, rose purple, its limb about as broad, some- 

 what villous in the throat within, the lobes cili- 

 ate; stamens very villous; anther-sacs mucronu- 

 late at the base; capsule globose-oblong, 3" 

 high, longer than the calyx. 



In bogs and low meadows, Quebec to New Jersey, 

 west to Manitoba and Wisconsin. July-Sept. 



Small-flowered Gerardia. 



5. Gerardia maritima Raf. Sea-side or 

 Salt-marsh Gerardia. (Fig. 3312.) 



Gerardia maritima Raf. Med. Rep. (II) 5: 361. 1808. 

 Annual, smooth and glabrous, fleshy; stem erect, 

 usually branched, 4 / -i6 / high, the branches as- 

 cending. Leaves linear, thick, % f -\' long, \" wide 

 or less, obtuse, spreading, the uppermost very small 

 and subulate, scarcely longer than the pedicels; 

 pedicels in flower shorter than or equalling the 

 calyx, about twice as long in fruit; calyx teeth 

 broad, short, obtuse; corolla rose-purple, 5 // ~9 // 

 long, glabrous, the limb about as broad; anther-sacs 

 mucronulate at the base, capsule globose-oblong, 

 2 // -3 // high. 



In salt marshes, Maine to Florida and Louisiana. 

 Julj r -Aug. The southern plant has larger flowers than 

 the northern. Flowers before the upland species. 



