296 SCUOPHULAKIACK^. (FIGWOnT FAMILY.) 



ones entire; peduncles shorter than the calyx; corolla white, minute. — Cul- 

 tivated ground, very common. April -June. — Stem 2'- 12' high. Leaves 

 i'-l'long. 



5. V. arvensis, L. Annual, hairy; stems ascending, branched at the 

 base ; leaves ovate, obtuse, crcnatc, pctiolcd ; tiie floral ones lanceolate, entire, 

 sessile ; flowers nearly sessile ; corolla pale blue. — Cultivated ground. Intro- 

 duced. May and June. — Stems 6' - 12' high. Leaves 4" - 6" long. 



6. V. agrestis, L. Annual, pubescent; stems prostrate, diff'iisely branched ; 

 leaves ail ])i.'tio'iCil, ovate, coarsely serrate ; peduncles much longer than the 

 calvx, recurved in fruit; corolla blue, striate. — Cultivated ground. Intro- 

 duced. Fob. - May. — Stem 6'- 12' long. Leaves 6" - 9" long. Fruiting 

 calyx much enlarged. 



13. CAPRARIA, L. 



Calyx 5-partcd, equal. Corolla bcll-sliapcd, equally 5-lobcd, smooth within. 

 Stamens 4-5: anthers sagittate. Style slender: stigma thick, ovate, at length 

 2-lobcd. Capsule coriaceous, ovate, scpticidally 2-valvcd, the valves 2-cleft at 

 the a])ex. Seeds numerous, reticulate. — Perennial herbs, or shrubby plants. 

 Leaves alternate, serrate. Peduncles axillary, single or by pairs, mostly 1- 

 flowered. 



1. C. biflora, L. Shrubby, smooth or pubescent; stem erect, branching ; 

 leaves lanceolate or oblong, sharply serrate, narrowed and entire below the 

 middle; peduncles filiform, mostly by pairs, shorter than the leaves; calyx- 

 lobes linear ; corolla deeply 5-cleft ; stamens 5, included. — South Florida. 

 Nov. — Stem 2° - a° high. Leaves 1 ' - 1^' long. Flowers white ? 



14. SCOPARIA, L. 



Calvx 4 - .5-parted. Corolla wheel-form, 4-eleft, hairy in the throat. Sta- 

 mens 4. Style club-shaped at the apex. Capsule scpticidally 2-valved, the 

 valves membranaceous, entire. Seeds numerous, reticulate. — Herbaceous or 

 shrubby ])lants, with oi)positc or whorled leaves. Peduncles axillary, com- 

 monly by pairs, I -flowered. 



1. S. dulcis, L. Annual, smooth; leaves ovate or oblong, toothed, mostly 

 three in a wliorl, much longer than the peduncles; calyx-lobes oblong; flowers 

 small, white. — South Florida. — Stem lo-3° high. Leaves ^'- 1^' long. 



15. BUCHNERA, L. 



Calyx tubular, S-toothed. Corolla salver-shaped, 5-lobcd, the lobes wedge- 

 obovatc. Stamens 4, didynamous, included: anthers 1-cellcd. Style simple, 

 club-shaped at the apex. Capsule coriaceous, straight, loculicidally 2-valved, 

 the valves entire. Seeds numerous, reticulate. — liough herbs, turning black 

 in withering. Ix'nves opposite, toothed or entire ; the uppermost small, anl 

 passing into the bracts of the many-flowered spiko. Flowers bjue. 



