SCROPIIUL.VRIACK.E. (FIGWORT FAMILY.) 333 



raceme hairy , f w- flowered, eroirded ; pod ohovate, luitclicd. — Alpine summits of 

 the Wliitc Mountains of New Ilnmpsiiiiv. (Kii.) 



7. V. serpyllifblia, L. (TiiYMK-i.KAVia) Spekdwell.) Much inanelied 

 at the creepinir l>:>se, »«///// amooth ; Itranclics asccndinjr and simple (2' - 4' liigli) ; 

 laves ovate or oh/oiii], ol)si-urely crcnatc, the lowest fietioled and rounded, tlic njiper 

 pas.sin,!| into lanceolate hraet.s ; raenne loose; pod rountled, broader than lon<^, 

 obtusely notched. — Roadsides iind (iclds ; common : introduced and indigenous. 

 May-July. — Corolhi whitish, or pale blue, with deeper stripes. (En.) 



« # AnnuaU or hiennkds : floral leaves like those of the stem, so that tlie Jlowers 

 appear to be axdiary and solitary: corolla shorter than the calyx. 



8. V. peregrina, L. (Neck weed. Purslane Speed well.) Neaily 

 smooth, erect (4' -9' liif^h), branched; lowest leaves petioled, ocal-ohloni/, toothed, 

 thiekish ; the others sessile, obtuse ; the upper oblong-linear and entire, longer 

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

 seeded. — Waste and cultivated grounds: common: appearing like an intro- 

 duced weed. April -June. 



9. V. ARVEssis, L. (Corn Speedwell.) Simple 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.) 



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

 oled), the upper alternate and bearing solitary peduncled Jlowers In their axils : 

 corolla tcheej-shaped : pod flat: seeds cup-shaped. Rare or local immigrants, 

 and only near the coast, from Massachusetts to Virginia. 



10. V. AGRESTLS, L. (FiELD SPEEDWELL.) Leaves round or ovate, cre- 

 nate-toothcd ; the floral somewhat similar, about the length of the recurred pedun- 

 clis ; ealyx-loi)cs oi)long ; flower small ; ovary uiany-ovuled, but the nearly orbicu- 

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



11. V. BuxnAu.Mii, Tenore. Leaves round or heart-ovate, crcnatcly cut- 

 toothed (i'-l' long), shorter than tlw. peduncles; flower large (nearlv A' wide, 

 blue) ; calyx-lobes lanceolate, widely spreading in fruit ; pod olicordate- triangular, 

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



12. V. heder.ef6lia, L. (Ivy-leaved Speedwell.) Leaves rounded 

 or heart-shaped, 3 - 1-toothed or lobed, shorter than the peduncles ; calyx-lobes some- 

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

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



17. BUCHNERA, L. Blle-IIearts. 



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

 straight or curved tube, and an almost equally 5-eleft Iind) : the lobes oblong or 

 wedge-obovate, flat. Stamens 4, included, apjiroximatc in jiairs : anthers one- 

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

 2-valved, maiiy-sccdcd. — Perennial rough-hairy herbs (doubtless root-parasitie), 

 turning blackish in drying, with opposite leaves, or the upix'rmost alternate; 

 the flowers opposite in a terminal sjiike, braeti-d and with 2 Iractlcts. (Named 

 in honor of y. G. Buchner, un early German botanist.) 



