CONVOLVULACEiE. (CONVOLVULUS FAMILY.) 367 



ohlong-lanceolate, acute ; lobes of the rather broad corolla ovate-triangular or 

 triangular-lanceolate, thickly hirsute outside. — Alluvial grounds, W. New York 

 to Minu., south to Ga. aud Tex. 



Var. molle, Gray. Pubescence shorter and less spreading or appressed, 

 1-2° high ; leaves mostly smaller (2' long), when young softly strigose-canes- 

 cent beneath. (0. molle, Michx.)—\\\. to Minn., Tex., and westward. 



9. SYMPHYTUM, Tourn. Comfrey. 



Corolla oblong-tubular, inflated above, 5-toothed , the short teeth spread- 

 ing ; the throat closed with 5 converging liuear-awl-shaped scales. Stamens 

 included ; anthers elongated. Style thread-form. Nutlets smooth, ovate, 

 erect, fixed by the large hollowed base, wliich is finely toothed on its mar- 

 gin. — Coarse perennial herbs, with thickened bitterish mucilaginous roots ; 

 the nodding raceme-like clusters either single or in pairs. (Ancient Greek 

 name from av^Kp^lu, to grow together, probably for its reputed healing virtues.) 



S. officinXle, L. (Common Comfrey.) Hairy, branched, winged 

 above by the decurrent leaves ; the lower leaves ovate-lanceolate, tapering 

 into a petiole, the upper narrower ; corolla yellowish-white, rarely purjilish. 

 — Moist places ; escaped from gardens. June. (Adv. from Eu.) 



10. LYCOPSIS, L. BuGLOss. 



Corolla funnel-shaped, with curved tube and slightly unequal limb ; the 

 throat closed with .5 convex obtuse bristly scales opposite the lobes. Stamens 

 and style included. Nutlets rough-wrinkled, erect, fixed by a hollowed-out 

 base. — Annuals. (Name from Aukoj, a ivolf, and 6^ is, fare.) 



L. ARVExsis, L. (Small Bugloss.) Very rough-bristly (1° high); 

 leaves lanceolate ; flowers in leafy raceme-like clusters ; calyx as long as the 

 tube of the small blue corolla. — Dry or sandy fields. New Eng. to Va. ; 

 scarce. (Adv. from Eu.) 



11. E C H I U M, Tourn. Viper's Bugloss. 



Corolla with a cylindraceous or funnel-form tube, and a more or less un- 

 equal spreading 5-lobed border; lobes rounded, the expanded throat naked. 

 Stamens mostly exserted, unequal. Style thread-form. Nutlets roughened or 

 wrinkled, fixed by a flat base. (A name of Dioscorides, from exts, a viper.) 



E. vulgAre, L. (Blue-weed.) Rough-bristly biennial; stem erect 

 (2° high), mostly simple ; stem-leaves linear-lanceolate, sessile ; flowers showy, 

 in short lateral clusters, disposed in a long and narrow thyrsus; corolla red- 

 dish-purple changing to brilliant blue (rarely pale). — Roadsides and meadows 

 of the Middle Atlantic States. June. (Nat. from Eu.) 



Order 73. CONVOLVULACE^E. (Convolvulus Family.) 



Chiefly twining or trailing herbs, often loith some milky juice, ivifh 

 alternate leaves {or scales) and regular 5-androus flowers ; a calyx of 5 

 imbricated sepals , a 5-plaited or 5-lobed corolla conrolute or ticisted in 

 the bud (imbricate in n. 6) ; a 2-celled (rarely S-celled) ovary (or in one 

 tribe 2 separate pistils), xvith a pair of erect ovules in each cell, the cells 

 sometimes doubled by a false partition between the seeds, so becoming 

 4-celled ; the embryo large, curved or coiled in mucilaginous cdbumen. — 

 Fruit a globular 2-6-seeded capsule. Flowers mostly showy, on axil- 

 lary peduncles; pedicels articulated, often 2-hracted. (Mnny are culti- 



