G22 



AHBORETUM ET FRUTICETUM BRITANNICUM. 



of Stymx gi'andifolium, with which, as it does not frequently flower in a 

 young state, it is generally confounded in nurseries. 



Order XLVI. SAPOTACEM. 



Ord, Char. Calyx regular, persistent. Corolla of as many lobes as there 

 are divisions in the calyx, rarely double or triple that number, deciduous.; 

 Stamens epipetalous, distinct, definite ; fertile ones equal in number to the 

 segments of the calyx, alternating with the segments of the corolla ; sterile 

 ones, when present, alternating with the fertile ones. Ovarium many-celled. 

 Cells 1-seeded. Berry many-celled, or only 1-celled by abortion. Seeds 

 nucaraentaceous. Testa bony, scraped in front. Albumen fleshy. {G. Don.) 

 Leaves simple, alternate, exstipulate, deciduous or evergreen ; quite 

 entire, coriaceous. Flowers axillary. Shrubs or low trees ; natives of Africa 

 and America. The genera are two, and in British gardens theyrequirea wall. 



Arga^nia. Calyx 10-parted. Corolla 5-cleft. Drupe containing a 2 ."- 



celled nut. 

 ^UME^LiA. Calyx and Corolla 5-parted. Stamens 10. Berry 1-seeded 



Genus L 



Lin. Syst. Pentandria 



ARGA'NIA Roem. et Schultes. The Argania. 



Monogynia. 



Jdent'ficntion. Roem. et Schultes Syst., 46. ; Don's Mill., 4. p. 27. 

 Synonymes. Sideroxyloii spinbsum IJn. ; I'Argan, Fr. ; Eisenholz, Ger. 

 Derivation. From organ, the aboriginal name of the tree. 



Gen. Char., c^-e. Calyjc 5 10-cleft: the leaflets, or rather scales, roundishi 

 concave, disposed in a double series. Corolla cup-shaped, 5-parted, with! 

 ovate-lanceolate subemarginate segments ; having 3 petal-like linear-subulatt 

 segments adhering to the base of the corolla, and alternating with it; 

 segments. Stamens 5, filiform, length of corolla, and adnate to its base 

 Anthers incumbent, ovate, keeled on the back. Ovarium conical, hairy 

 Style glabrous, length of stamens. Stigma simple. Drupe ovate, terminate( 

 by the st} le, 2 3-celled. Cells 1-seeded. Seeds hard, smooth, having i 

 longitudinal furrow inside. (Dons Hill.) 



Leaves simple, alternate, exstipulate, sub-ever- 

 green ; entire. Flowers lateral, axillary, scattered 

 or crowded, sessile. Corolla greeni.sh yellow. 

 Fruit dotted v\ith white, size of a plum, full of 

 white milky juice. Tree or large shrub, sub- 

 evergreen ; native of Morocco, and somewhat 

 tender in British gardens. 



? \. A. SiDERO'xYLON Rcem. et Schultes. The 

 Iron-wood Arg.ania. 



Identification. Koem. et Schultes Syst., 4. p. 502. ; Don's Mill., 



4. p 28. 

 Syno7iymcs. Sideroxylon spinosiim Lin. Sp. p. 279. ; Eljeoden- 



dron A'renn Ketz. Obs. 6. p. 26. ; TJhamnus pentai>hylkis 



Jact/. el Soccone, Schousb. Mar. p. 89. ; /ihamnus siculus Lin. 



Syst. 3. p. 227. 

 Engravings. Comm. Hort., t. 83. ; and onr Jig. 1208. 



Spec. Char., Sfc. An evergreen tree of middle size, 

 with a bushy bead. Branches terminated by 

 strong spines. Leaves lanceolate, entire, bluntish. 



1518. A. SIdenaylon. 



