21. 
22. 
CAPRIFOLIACEAE. 
. Lower scales essentially as long as the bud. 8. 
Lower scales distinctly shorter than the bud. 10. 
. Inner bud-scales woolly. L. iberica. 
Buds glabrate. 9. 
. Twigs glabrous. (Swamp fly-honeysuckle). L. oblongifolia. 
Twigs mostly long-hairy, 4-lined. L. involucrata. 
. Buds short-ovoid or nearly globose, glabrate. 11. 
Buds distinctly elongated, grooved. (3). L. Maximowiczii. 
. Scales acuminate. L. gynochlamydea. 
Scales acute. (American fly-honeysuckle). L. canadensis. 
. Lower scales as long as the bud. (4). L. deflexicalyx. 
Lower scales distinctly shorter than the bud. 13. 
. Buds oblong or ovoid or subglobose: scales 
short-pointed. 14. 
Buds oblong-ovoid: scales long-pointed. L. nigra. 
Buds conical-fusiform, hairy. 16. 
. Twigs and buds glabrous. (Tartarianh.). (5). L. tatarica. 
Twigs pubescent. 15. 
. Buds somewhat puberulent, small and blunt. L: Morrowii. 
Buds gray-hairy, oblong or acute. (6). L. Maackii. 
. Twigs somewhat puberulent. (7). L. Xylosteum. 
Twigs with long as well as short hairs. L. chrysantha. 
. Stems red-brown, hairy: subevergreen. L. Japonica. 
Stems gray or straw-colored. 18. 
. Often with long glandular hairs above. L. Periclymenum. 
Not glandular-hairy. 19. 
. Rough or papillately hairy. L. hirsuta. 
Essentially glabrous, often glaucous. 20. 
. More or less evergreen. (Trumpet h.). L. sempervirens. 
Deciduous. 21. 
Buds oblong, many-scaled. (Woodbine). lL. Caprifolium. 
Buds ovoid, the lower scarcely surpassing a 
lowest scales. 22. 
Seales narrowly triangular, pointed. L. glaucescens. 
Scales ovate, abrupt. L. dioica. 
