236 PIGWOKT FAMILY. 



M. semperflbrens, has lanceolate smooth calyx-divisions, and smaller 

 rose-purple or violet corolla. 



§ 2. LopHOSPERMUM. Corolla tery obscurely 2-Vpped, and with 2 bearded lines. 



M. erub^scens. Somewhat soft-pubcacent, with irregularly toothed leaves, 

 rose-colored Howers 3' long, and ovate-oblong rather leaf-like sepals -^ 



M. SCdilldeilS, now loss common and not so showy, is less pubescent,' and 

 has smaller less-inflated deeper purple corolla, antl lance-oblong sepals. 



16. DIGrlTALIS, FOXGLOyE. (Latin name, from shape of the corolla, 

 likened to the finger of a glove, in the common species.) 

 Inpurptirea, Pdeple F., of which varieties with corolla white or pale 



and niore or less strongly spotted corolla are common, 2' long, the lobes rather 

 obscure ; leaves rugose, somewhat downy. Cult, from Eu. . fl. summer. ^ 



17. GERARDIA. (Named for the herbalist, Oemrde.) Handsome, but 

 uneultivable plants : fl. late summer and autumn. The following are tlio 

 commonest wild species ; mostly of gravelly or sandy soil. 



§ 1. Coro'la purple or rose-color, somewhat bell-shaped: cali/x-teeth short: anthers 

 ali alike,, nearly pointless at base : leaves narrow, linear or thread-sliaped, 

 entire : louselff branching, nearly all annuals, except tlicjirst. 



G. linif blia. Pine-barrens S. ; with erect branphes, and erect linear leaves 

 about the length of the peduncles, truncate calyx, and corolla 1' long, y 



G. tenuifolia. N. & S. ; with opposite pedicels equalling the linear 

 spreading leaves, broadly awl-shaped calyx-teeth, and corolla ^' - J' long 



G. fllif61ia. S. ; with alternate pedicels twice the length of the rather 

 fleshy thread-shaped or slightly club-shaped leaves ; corolla |' long. 



G. aph^^lla. S. ; with short pedicels alternate along one side of the 

 flowering branches, and minute scale-like or awl-shaped appressed leaves, 

 minute calyx-teeth, and corolla |' long. 



G. purptirea. N. & S. in low ground ; with stout pedicels not longer 

 than the conspicuously 5-lobed calyx, opposite and spreading rather broad 

 linear leaves, and corolla y - 1 ' long. 



G. maritima. Salt marshes N. & S., lower than the preceding, and with 

 fleshy blunt leaves, the pedicels as long as the upper ones and as the obtusely 

 5-toothed calyx, and corolla ^'-i' long. 



§ 2. Corolla purple {or sometimes white) : calyx deeply and unequally 5-rli-Jl: 

 anthtrs pointless, those of the shorter pair much, smaller: leaves rather broad. 



G. auriculkta. Low grounds, from Penn. S. & W. ; rough-hairy, with 

 nearly simple stem, lanceolate or oblong leaves entire, or the lower with a lobe 

 on each side of the base ; flowers sessile in the upper axils ; corolla 1' long. 



§ 3. Corolla yellow and with a longer tube, the inside vxmlly, as are the JUaments 

 and anthers; the latter almost projecting, slender-pointed at base: ca'yx 

 b-cleft: taller herbs, with leaves or some of them pinnatifid or toothed. '4 

 * Stems nearly simple : Jlowers in a leafy raceme : corolla more tubular. 

 G. fllava. Downy False Foxglove. Open diy woods: 3°-4° high, 

 minutely soft-downy ; upper leaves lanceolate or oblong and entire, lower sinuate 

 or pinnatifid ; pedicels very short ; corolla 1 J' long. 



G. quercifolia. Smooth F. Rich woods, commoner S. &W. : 3° -6° 

 high, smooth and glaucous ; upper leaves often entire, lower once or twice 

 pinnatifid ; pedicels as long as calyx ; corolla 2' lomr. 



G. integrifolia. Barrens, from Penn. S. & \V. -. lo-2° high,- smooth, 

 not glaucous ; leaves lanceolate, entire ; corolla 1' long. 



* * Stems bushy-branched : calyx-lobes toothed or pinnatifid : leaves mostly ati. 



G. grandiflbra. Oak openings from Wisconsin S. : 3° -4° high, minutely 

 downy ; leaves ovate-lanceolate, coarsely cut-toothed, the lower pinnatifid ; ped- 

 icels shorter than the barely toothed ealyx-lobes ; corolla 2' long. 



