602 ARBORETUM ET FRUTICETUM BRITANNICUM. 
Requires to be grown in sandy peat, either in a border or in pots, and in 
an airy situation. 
Genus XXV. 
i 
a 
LEIOPHY’LLUM Pers. Tue Letopuytium. Lin, Syst. Decandria 
Monogynia. 
Identification. Pers, Ench., 1. p. 477.3 Spreng. Syst., 2. p. 276.; Don’s Mill., 3. p. 851. 
Synonymes, Ammyrsine Pursh Sept. 1. p. 280. ; Fischera Swartz; Lédum buxifdlium Berg., Ait. 
Derivation. From leios, smooth, and phudlon, a leaf; in reference to the smoothness of the leaves. 
Gen. Char. Calyx deeply 5-parted. Corolla 5-petaled. Stamens 10, ex- 
serted. Anthers opening by 2 terminal pores. Capsule 5-celled, 5-valved, 
dehiscing at the apex. (Don’s Mill.) 
Leaves simple, alternate, exstipulate, evergreen; small, convex, oval, 
glabrous, shining. Flowers white, disposed in terminal corymbs. —A shrub, 
small, erect, bushy, very ornamental from the delicacy of its leaves and the 
abundance of its white flowers; native of North America, on mountains. 
# 1. L. ruymiro‘tium Pers. The Thyme-leaved Leiophyllum. 
Identification. Pers. Ench., 1. p. 477.3 Spreng. Syst., 2. p. 215.; Don’s Mill. 3. p. 831. 
Synonymes. Lédum buxitdlium Bergius in Act. Petrop. 1779 p. 1. t.3. f. 2.; Lédum ¢hymifdliam 
Lam. Dict. 3. p. 459. ; Lédum serpyllifdlium L’Héri. Stirp, Nov, 2. t. 10.; Ammfrsine buxifodlia 
Pursh Sept. 1. p. 301.; Sand Myrtle, New Jersey. 
Engravings. Bot. Reg., t. 531.; Bot. Cab., t. 52.; and ou 
fig. 1149. 
Spec. Char., Sc. See Gen. Char. An elegant 
little evergreen shrub. New Jersey, and the 
mountains of Carolina, particularly on the 
highest summits of the Catawba ridge. Height 
6 in. to 1 ft. Introduced in 1736. Flowers 
white, rendering it highly ornamental ; May 
and June. 
L. prostratum. Ammyrsine prostrata Swé., 
Loud. Hort. Brit. No. 28221.; A. Lyoni Swt. 
Hort. Brit. ed. 1830 p, 344, — Branches :spread- 
ing. Leaves oblong. 1149, L. thymifolium. 
Genus XXVI. 
LE‘DUM L. Tue Lepum. Lin. Syst. Decandria Monogynia. 
Identification. Lin. Gen., No. 546.; Gertn. Fruct., 2. p. 145. t. 112.5 Juss. Gen., 159.; Nutt. Gen. 
Amer., 1. p. 275. 
Derivation. Ledon was the name applied by the ancients to a plant producing the substance called 
labdanum, and now known by the name of Cistus Lédon. In foliage, the Lédum of modern bo- 
tanists bears some distant resemblance to the plant of the ancients. 
Gen. Char. Calyx minute, 4-toothed. Corolla 5-petaled; spreading. 
Stamens 5—10, exserted. Anthers opening by two terminal pores. Cap- 
sule sub-ovate, 5-celled, 5-valved, opening at the base, pedicellate. Seeds 
numerous, flat, linear, scabrous, furnished with a membranous wing at 
each extremity. (Don’s Mill.) 
Leaves simple, alternate, exstipulate, evergreen ; coriaceous, with revo- 
lute margins, and tomentose on the under surface. Flowers white, disposed 
in terminal corymbs ; pedicels bracteate at the base. — Shrubs, evergreen, 
low, procumbent, or dwarf, exhaling a peculiar scent when bruised; natives 
of Europe or North America. 
