234 riGWORT FAMILY. 



» • Bacemes in the axils of Ok opposite leaves ; stems creeping or procumbent at 

 base, but above ascending: corolla, as in all the following, strictly wheel- 

 shaped, y. 

 *- "Watek Speedwells jut Bkooklime, in water or wet ground, smooth and 

 with pale blue {sometimes darker striped) powers on slender spreading pedicels. 



V. Anag^UiS. In water N. : leaves lance-ovate acute, sessile ty a heart- 

 shaped base, 2' -3' long ; pod slightly notched, many-seeded. 



V. Americana. In brooks, much more common ; leaves mostly petioled, 

 ovate or oblong, serrate ; flowers on more slender pedicels ; and pod more tur- 

 gid than in the foregoing. 



V. SCUtellkta. In bogs N. ; slender, with linear slightly toothed sessile 

 leaves, only 1 or 2 very slender zigzag racemes, few long-pedicelled pale flowers ; 

 and very flat pod deeply notched at toth ends, broader than long, few-seeded. 



+^ -I- In dry ground, pubescent, with light blue flowers in spike4ike racemes. 



V. 0f9.cin£llis, Common Speedwell. Spreading or creeping, low ; leaves 

 wedge-oblong or obovate, serrate, short-petioled ; pedicels shorter than calyx ; 

 pod wedge-obcordate, several-seeded. 



» » ♦ Baceme loose, terminating the leafy low stem or branches, or the smaU flowers 

 in the axils of the gradually decreasing leaves. 



V. serpyllifdiia, Thtme-leaved S. Creeping or spreading on the 

 ground; with simple flowering stems ascending 2' -4', smooth; leaves roundish, 

 small, almost entire ; corolla pale blue or whitish with darker stripes, longer 

 than the calyx, y.' 



V. peregrlna, Neckweed or Phhslane-S. Common weed in damp 

 waste or cult, ground ; smooth, erect, branching, with lower leaves oval or 

 oblong and toothed, the upper oblong-linear and entire, inconspicuous flowers 

 almost sessile in their axils, whitish corolla shorter than the calyx, and many- 

 seeded pod slightly notched. ® 



V. arv^nsis, Corn S. Introduced into waste and cult, grounds E. ; 

 hairy, 3' - 8' high, with lower leaves ovate and crenate, on petioles, the upper 

 sessile lanceolate and entire, blue flowers short-pednncled, and pod obcordate. ® 



id. BUCHNERA, BLUE-HEARTS. (Named for one Buc/mer, an early 

 German botanist. ) Elowers summer, y 



B. Americana. Sandy or gravelly ^plains, from New York "W. & S. ; 

 rough-hairy, turning blackish in drying ; with slender stem 1° - 2J° high, veiny 

 leaves coarsely few-toothed, the lowest obovate, middle ones oblong, uppermost 

 lance-linear, flowers scattered in the slender spike, and corolla deep purple. 



11. CALCEOLARIA. (From Latin cakeolus, a shoe or slipper.) Tender 

 South American herbs or shrubs, with curious and handsome flowers, cult, as 

 house and bedding plants. The common cultivated species are now for the 

 most part too much mixed and crossed for botanical analysis. 



C. integrif61ia (also called kug6sa and salvi^f6lia) is the commonest 

 woody-stemmed species, with oblong leaves rugose in the manner of Garden 

 Sage, and small yellow or orange flowers in crowded clustera. 



C. corymbbsa, herbaceous, hairy or clammy-pubescent, with ovate crenate- 

 toothed leaves nearly all at the root, and loose corymbs or cymes of yellow flow- 

 ers, the purple-spotted mouth considerably open. 



C. crenatmbra, a fertile parent of many of the more showy herbaceous 

 garden forms, with more leafy stems and larger flowers, their orifice rounder and 

 smaller, the hanging lower lip or sac 1' or more long, more obovate and flat, 

 somewhat 3-lobed as it were towards the end, and variously spotted with purple, 

 brown, or crimson. 



C. BCabiosaefblia is a delicate annual, with pinnately divided slightly 

 hairy leaves, on petioles dilated and connate at base, and loose small pale yellow 

 flowers with globular lower lip about ^' wide. 



