1092 



ARBORETUM ET FRUTICETUM BRITANNICUM. 



Genus II. 



I 



I 



^ I 

 CORE' MA D. Don. The Corema. Lin. Sjjst. DioeVia Triandria. 



Identification. D. Don in New Edin. Phil. Journ. ; Lindl. iu Nat. Syst. of Bot. 



Synonyme. 'nipetrum, in part, L. 



Derivation. From Icorema, a broom ; in allusion to the habit of the plant. 



Gen. Char. Calyx 3-leaved, membranaceous, naked at the base. Petals 3. 

 Stamens 3. Stigma 6-cleft. Berry globose, 3-stoned. {G. Bon.) 



Leaves simple, alternate, exstipulate, evergreen ; scattered, linear, obtuse, 

 spreading, flattish above, and revolute on the margin. Flowers in terminal 

 heads, sessile, situated on a hairy disk ; white, large : heads having villous 

 scales. Berries -white. Shrub small, erect, branchy, rigid, covered with 

 resinous dots ; native of the South of Europe. 

 Closely allied to E'm^atmm, from which it has been recently separated, 



and requiring the same soil and culture in British gardens. 



tt. 1. C. a'lba D. Don. The vihite-herried Corema. 



Identification. D. Don in New Edin. Phil. Journ. 



Synonymes. i:'mpetrum album Lin. Sp. 14.50. ; E. lusit&nicum, kc, 



Tourn. Inst. .579.; riea erectis, &c., .BauA. Pm. ; the white-berried 



Heath, Portugal Crakeberry. 

 Engraving. Our fig. 2038. 



Spec. Char., ^^c. Stem erect. Branches pubescent. 

 Leaves linear, with revolute margins ; somewhat sca- 

 brous above. {Willd.) A low evergreen shrub. Por- 

 tugal. Height 6 in. to 12 in. Introduced in 1774. 

 Flowers white; May. Berries white; ripe Nov. 

 Much branched, rigid, sprinkled with resinous dots. 



2038. C. &lba. 



Conrad's Corema. 



- 2. C. Conra'd// Torrey. 



Identification. Torrey in Lit., and Gard. Mag., xvii. 

 Synonyme. 'm.petrum ConrSd;/ Torrey. 

 Engraving. Onr fig. 2039., from Dr. Torrey. 



Spec. Char., S^c, Branches glabrous. Leaves 

 subverticillate, alternate, narrowly linear ; 

 young glandularly hispidulous, adult gla- 

 brous. FloM'ers in small heads, terminal, 

 axillary ; scales of perianth 3 6, obo- 

 vate-oblong, smoothish ; stamens 3 4 ; 

 style 3 4-parted ; ovary 3 4-celled. 

 {Torrey.) An evergreen heath-like un- ^^^o. c. conrM;;. 



der shrub. N. America, in Monmouth, New Jersey, and other districts, 

 in sandy fields and in pine barrens. Height 6 in. to 1 2 in. Introduced in 

 1841. Flowers whitish ; April. Berries small, reddish ; ripe in August. 



Genus III. 



CERATrOLA Michx. The Ceratiola. Lin. Syst. Monos'cia Diandria. 



Identification. Michx. FI. Bor. Amer., 2. p. 222. ; Lindl. in Nat. Syst. of Botany, ed. 2. 

 Derivation. From keration, a little horn ; in allusion to the shape of the stigma. 



Gen. Char. Calyx 2-lcaved, membranaceous, with 4 scales at the base. 

 Petals 2, converging into a tube. Stamens 2. Stigmas 6-cleft. Berry 

 globose, 2-stoned. (G. Don.) 



Leaves simple, alternate, exstipulate, evergreen ; spreading, needle- 

 shaped, obtuse, glabrous, and shining ; marked beneath with a narrow 



