531 



AMMYRSINE buxifolia. 

 Sand-myrtle, 



DECANDRIA MONOGYNIA. 



Nat. ord. Rhododendra (RHODORACBiE). Jussieu gen. l&S, Div. 

 II* Corolla su^polypetala. 



AMMYRSmE. Cal profundi &-partitiis* PeU 5* Stamimi exserta* 

 Caps, d-locularis. apice dehiscens. Pvnh amer^ seoL 1. 280. 



AmmyrsiDe buxijolia. Pursh amer. sept 1. 301* 



Ledum buxifolium* Sort. Kew* 2. 65. ed. 2. 3. 48. Bergius in act, peirop, 



1777. part. 1. 213* t. 3. Jig. 2- WiOd. sp. pi 2, 602. ilftcAaiix bar. 



amer. 1- 260. Nuttallgen. 1. 276. 

 Ledum thymifolium. Lamarck encgc. 3. 469. illustr. t. 363. jEgr. 2. 

 Ledum (Leiophyllum) thymifolium. Persoon sytt. 1, 477. 



Frutex parvus, vix pedalis. Caulis eredus, teretiusculM, ctcatrtct6w 

 tcaber, cinerascens, determinate ramosus: rami ad mterstitia stata, suiqer^ 

 tidUati foKosi v. cicatrizati; singuli parithr ramulon, erecti. Folia Buxi^ 

 ^arsa, Jrequentia, brevUer petiolata, ovaiia, obtusa, 2 v. 3 lineas bmga, 

 snpem^ subrugosa, s^tus bema punctata, utringue nitida, margine undmie 

 reclinato. CoTyvaAn ^fiarum terminales nnrnliees, peduoculis unifiorU pmeB- 

 centibns: bracteae obbn^^s, obiuscBf submbrieateB^ patents, reoeptacuh pro- 

 prio sittF undi pedtmeuH exemU. Cal. m&nopkytlm glaber basi tntruad, 

 A-angulus, 5-parHtus, biciniis lanceohttis acutis erectis. Cor. a&a; pet. 5 

 ovata, obtusa, cafyce hngiora, sessilia, patentia. FH, subtdata^ ^saroUA 

 hngiara, erecto-pat&itia, alba. Anth. pmpwrem, oeattB, partM, Aiac pla- 

 niuscubB, ijidi didgmmy btsutcatw, incwnbenH^erecUB. Germ. stq}erum, smb- 

 rotundum, vndique sulcatum^ scabridum. Stylus cglindricuM, erectuSf hmgi- 

 tudine staminum: stigma simplex, subemarginatum truncatum. Caps. 

 avata, acuta, subrugcsa, S-Zoc, 3-vaA?.^ vahmlis latere interiare hngituai- 

 nalittr dekisceiUibus : sem. phaima, parva^ avata, scobe interstincta, 

 Ber^us loc. cit. 



A genus proposed by Mr. Pursh in the work above 

 cited; and disting^iished from Ledum, in which it had 

 been previously included, by a proportionately much larger 

 and more deeply divided calyx, by a five-petalled instead 

 of a one-petalled five-cleft corolla, protruding stamens, and 

 capsule opening at the summit instead of the base ; as well 

 as by difference of general habit- 



BuxifoUa^ the only recorded species, is known by the 

 name of Scmd-myrtle in the state of New Jersey, where it 



