236 PIGWORT FAMILY. 



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

 rose-purple ur violet corolla. 



§ 2. LoPHOSPtUMUM. Corolla very obscurely 2-llpped, and with 2 bearded lines. 



M. erub^sceus. Somewhat soft-pubescent, vfith irregularly toothed leaves, 

 rose-colored flowers 3' long, and ovate-oblong rather leaf-like sepals. 



M. sc&ndens, now less common and not so showy, is less pubescent, and 

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



16. DIGITALIS, FOXGLOVE. (Latin name, from shape of the corolla, 

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



D. purp'tirea, Pukple F., of which varieties with corolla white or pale 

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

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



17. GEBABDIA. (Named for the herbalist, Gerarde.) Handsome, hut 

 uncultivable plants : fl. late summer and autumn. The following are the 

 commonest wild species : mostly of gravelly or sandy soil. 



§ 1. CoroHa purple or rose-color, somewhat bell-shaped : calyx-teeth sliort: anthers 

 all oJike, nearly pointless at base : leaves naiTow, linear or thread-shaped^ 

 entire : loosely branching, nearly all annuals, except the first. 



G. linifolia. Pine-ban-ens S. ; with erect branches, and erect linear leaves 

 about the length of the peduncles, truncate calyx, and corolla 1' long. 11 



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

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



G. filifblia. 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 J' 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 |' - 1' long. 



G. marltima. 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 ^' -%' long. 



§ 2. Corolla purple (or sometimes white) : calyx deeply and unequally b-defi: 

 anthers pointiest, those of the shorter pair much smaller: leaves rather broad. 



G. aurieul^ta. 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 ydlow and with a longer tube, the inside vxolly, as are the filaments 

 and anthers; the latter almost projecting, slender-pointed at base: calyx 

 5-cleft : taller herbs, with leaves or some of them pinnatifid or toothed. % 

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

 G. flkva, Downy False Foxglove. Open dry woods: 3° -4° high, 

 minutely soft-downy ; upper leaves lanceo'ate or oblong and entire, lower sinuate 

 or pinnatifid ; pedicels very short ; coroUa l^' long. 



G. quereifolia. 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' long. 



G. integrifolia. Barrens, from Penn. S. & W. ^ l°-2° high, smooth, 

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



* * Stems bushy-branched : ca/yx-lobet toothed or pinnatifid : leaves mostly cut. 



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

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

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



