SCEOPHULAKIAGEjE. (fIGWORT 5AMILY.) 333 



raceme hceinf, fiw-Jtauoered, crotoded ; pod obovate, notched. — Alpine summits of 

 the White Mountains of New Hampshire. (Ea) 



7. Y. aerpyllifblia, Lw. (THyMB-i.BA¥Ei>SFBEDWBLL.) Much branched 

 at, the creeping base, nearh) smooth; branches ascending and simple (2' - 4' high) ; 

 leaves ovate or oblong, obflcurely crenate, the lowest petioled and rounded, the upper 

 passing into lanceolate bracts ; raceme loose ; pod rounded, broader than long, 

 obtusely notched. — Eoadsides and fields : common : introduced and indigenous. 

 May -July. — Corolla, whitish, or pale blue, with deeper stripes. (E,u.) 



* « Anniials or biennials : floral leaves like those af the stem, so that the flomers 

 appear to be axillary and solitary ; corolla shorter than the calyx^ 



8. V. peregrlna,, L. (Neckweed. Pueslane Speedwell.) Nearly 

 smooth, erect (4' -9' high), branched; lowest leames petioled, oval-oblong, toothed, 

 thickish ; the others sessile, obtuse ; the upper oblong-lineax and entire, longer 

 than the almost sessile (whitish), flowers j pod orbicular, slightly: notched, many- 

 s,eeded. — Waste, and cultivated grounds : common : appearing like fm intro- 

 duced weed. April - June. 



ft. V. AKVENSis, L. (CoBN SPEEDWELL.) Sim{de Or diffusely branched 

 (3' -8' high), hairy; lower leaves petioled, ovate, crenate;, the uppermost sessile, 

 lanceolate, entire ; peduncles shorter than the calyx ; pod inversely heart-shaped, 

 the lobes rounded. — Cultivated grounds : rather common.. (Nat. from Eu.l 

 § 5. Annuals or biennials (prostrate-spreading, hairy) : stem-leaves opposite [all peti- 

 oled), the upper alternate and bearing solitary peduncled flowers in their axils: 

 corolla wheel-shaped: pod flat: seeds cup-shaped. Bare or local immigrimts, 

 and only near tie coast, from Massachusetts to Virginia. 

 lOi V. A&KESTis,, L. (Field Speedwell.) Leave& round or ovate, cre- 

 nate-toothed ; the floral somewhat similar, about the length of the reeurv.ed pedun- 

 cles ; calyx-lobes oblong ; flower small ; ovary many-ovuled, but the nearly orbicu- 

 lar and sharply notched pod 1 - 2-seeded. — Saudy fields. (Adv. from Eu. ) 



11. V. BnxBAtiMii, Tenore. Leaves round or heartrovate, crenately cut- 

 toothed d'-l' long), shorter than the peduncles; flower large (nearly j^' wide, 

 blue) ; calyx-lobes lanceolate, widely spreading ia fruit ; pod obcordate-triangular, 

 brofidly notched, 16-24-seeded. — Waste grounds. (Adv. from Eu.) 



12. V. HEDER^r6LiA, L. (IvT-LEAVED SPEEDWELL.) Leaves rounded 

 or heartrshaped, 3 - 7 -toothed or lobed, shorter than the peduncles ; calyx-lobes some- 

 what heart-shaped; flowers small; pod turgid, 2-lobed, 2-irseeded. — Shaded 

 places. April-June. (Adv. from Eu.) 



17. BTJCHNERA, L. Bltie-Heakts. 



Calyx tubular, obscurely nerved, 5-toothed. Corolla salver-form, with a 

 straight or curved tube, and an almost equally 5-cleft limb : the lobes oblong or 

 wedge-obovate, flat. Stamens 4, included, approximate in pairs ; anthers one- 

 celled (the other cell wanting)., Style club-shaped and entire at the apex. Pod 

 2-valved, many-seeded. — Perennial rough-hairy herbs (doubtless root-parasitic), 

 turning blackish in drying, with opposite leaves, or the uppermost alternate; 

 the flowers opposite in a terminal spike, bracted and with 2 bractlets. (Named 

 in hoaor of/. G. Buchner, an early German botanist.) 



