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- 



LEIOPHY'LLUM Pers. THE LEIOPHYLLUM. Lin. Syst. Decandria 

 Monogynia. 



Identification. Pers. Ench., 1. p. 477. ; Spreng. Syst., 2. p. 276. ; Don's Mill., 3. p. 851. 

 Synonymes. Ammyrsine Pursh Sept. \. p 280. ; Flschera Swartz ; iedum 6uxif61ium Berg., Ait. 

 Derivation. From leios, smooth, andphullon, 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. THYMIFO^LIUM Pers. The Thyme-leaved Leiophyllum. 



Identification. Pers. Ench., 1. p. 477. ; Spreng. Syst, 2. p. 215. ; Don's Mill., 3. p. 831. 

 Synonymes. L&dum iuxifolium Bergius in Act. Pctrop. 1779 p. 1. t. 3. f. 2. ; Z,dum tfiymifolium 

 Lam. Diet. 3. p. 459. ; Ledum serpyllifblium L'Herit. Stirp. Nov. 2. t. 10. ; Ammyrsine fiuxifblia 

 Pursh Sept. 1. p. 301. ; Sand Myrtle, New Jersey. 

 Engravings. Bot. Reg., t. 531. ; Bot. Cab., t. 52.; and ou 

 Jig. H49. 



Spec. Char. y fyc. 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. 



Li. prostrdtum. Ammyrsine prostrata Swt. y 

 Loud, Hort. Brit. No. 28221. ; A. Lyom Swt. 

 Hort. Brit. ed. 1830 p. 344. Branches spread- 

 ing. Leaves oblong. 



1 ] 49. L. thymifoliu 



GENUS XXVI. 



.LE^DUM L. THE LEDUM. Lin. Syst. Decandria Monogynia. 



Identification. Lin. Gen., No. 546. ; Gaertn. Fruct., 2. p. 145. t. 112. ; 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 Lddon. In foliage, the Lddum 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. 



