236 PIGWORT FAMILY. 



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

 rose-purple or violet corolla. 



§ 2. LoPHOSpfiRMUM. Corolla very obscurely 2-lipped, and with 2 bearded li)ies. 



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

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



M. SC§>lld.euSj 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. purptirea, Pckple 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. GERARDIA. (Named for the herbalist, Gerarde.) Handsome, but 

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

 commonest wild species : mostly of gravelly or sandy soil. 



§ 1. Corolla purple or rose-color^ somewhat bell-shaped : calyx-teeth short : anthers 

 all alike, nearly pointless at base ; leaves narrow, linear or thread-sliaped, 

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



Or. linifblia. Pine-barrens S. ; with erect branches, and erect linear leaves 

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



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

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



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

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



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

 flowering branches, and minute scale-like or awl-shaped appresscd 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. maritima. Salt marshes 5r. & 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 5-cleft : 

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



G. auricul^ta. Low grounds, from Penn. S. & W. ; rough-hairy, with 

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

 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 woolly, as are the filaments 

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

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



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

 G. flava, DowNT False Foxglove. Open dry woods : 3° -4° high, 

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

 or pinnatifid ; pedicels very short ; corolla \\' 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' long. 

 . G. integrifolia. Barrens, from Penn. S. & W. : 1° - 2° high, smooth, 

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



* * Stems bushy-branched : calyx-lobes 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 ; ped- 

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



