82 
XIX. ACERACEiE. 
[Hypericum. 
with (blade) glandular serratures, stem erect terete pubescent, 
leaves ovate or oblong slightly stalked somewhat downv beneath. 
E. B. 1. 1156. 
Woods and thickets, especially in a chalky soil. If.. 7, 8. — Slern 
2 ft high. Leaves rather large, more or less downy, especially beneath. 
11. H. montdnum L. {Mountain St. J.) ; flowers paniculato- 
eorymbose, sepals lanceolate acute with (black) glandular ser- 
ratures, stem erect terete and as well as the ovate leaves 
glabrous. E. B. t. 371. 
Bushy hills in England, especially in a chalky or gravelly soil, but 
not common. If. 7,8. — Stem — 2 ft. high. Lea res rather large, 
more or less perforated, distant, especially above ; furnished with black 
glandular dots near the margins. Braclcas and calyx beautifully 
fringed with shortly-stalked glands. Petals without dots or glands. 
12. II. * barbdtum Jacq. (bearded St. J.) ; corymbs terminal, 
sepals lanceolate fringed with long-stalked glands, stem erect 
terete, leaves ovate with (black) scattered dots beneath. E. B. 
t. 1986. 
Side of a hedge near Aberdalgie in Strathearn, Perthshire : G. Don. 
%. 9, 10. — Stem 1 ft. or more high. Very distinct in the long 
glandular hairs of its calyx. Petals copiously dotted, often toothed or 
ciliated at the extremity'. Capsule transversely wrinkled. We possess 
a specimen from Don ; but we do not believe that this species was 
ever found wild in Scotland. 
** Petals equal-sided. Stamens in each set united to above the middle, 
with a scale between the sets. Styles 3. Elodea. 
13. H. eludes L. ( Marsh St. J.) ; sepals with (reddish) glan- 
dular serratures glabrous, leaves roundish shaggy, stem terete 
creeping, panicle of few flowers. E. B. t. 109. 
Spongy bogs, not unfrequent. Rare in Scotland. If. 7,8. — 
Stem 6 — 8 inches long. Flowers few, panicled, terminal, pale yellow. 
Petals persistent, with a fringed appendix at the base. Stamens 15, 
triadelphous. Ovary and fruit 1-celled. 
Ord. XIX. ACEllACEiE J uss. 
Calyx 4 — 5 — 9-partite, imbricated in estivation. Petals of 
the same number, with scarcely any claw, inserted into the 
margin of an hypogynous disk, or wanting. Stamens about 8, 
inserted on the disk. Ovary 2-lobed, 2-celled. Style 1. Stig- 
mas 2. Fruit a double Samara , each 1-celled with 1 or 2 
erect 'seeds. Albumen 0. Embryo curved, with foliaceous 
wrinkled cotyledons , and an inferior radicle. — Trees, of the tem- 
perate parts o f the northern hemisphere. Leaves generally simple 
