392 



iSu. MVKIACHAE — l8l. .MF.LAS TUMATACIi AE 



free. - - Species 40. Tropical and South Africa. Some species 3'ield 

 timber, bark used for tanning, edible fruits, and medicaments. (In- 

 cluding C7//orM;n'/7//.s- Pierre). (Plate 114.) .... Eugenia L. 

 Ovary in the upper part of the receptacle. Calyx-tube gradually narrowed 

 into the pedicel, usually much prolonged above the ovary. ... 7 

 7. Petals free, falling singly. Stamens inserted upon a distinct disc. Sepals 

 comparativelv large. — Species 8, of which 6 are growing wild in Mada- 

 gascar and the Mascarenes, the other two cultivated and sometimes 

 naturalized in the tropics. They yield timber, bark used for tanning, 

 spices (clows from /. caryophyllns Nied.), medicaments, and edible 

 fruits ; sonic are used as ornamental plants. (Including Caiyophvlliis 



L., under liiia^cnia L.) Jambosa DC. 



Petals more or less cohering, usually falling off together. Staminiferous 

 disc none. Sepals usually small. -- Species 25. Tropical and South 

 Africa. Thev vield timber, tanning and dyeing materials, spices, 

 medicaments, and edible fruits. (Including Actnena DC, under Eugenia 



L.) Syzygium (iaertn. 



^. Placentas in the upper part of the ovary-cells, bearing i — 6 ovules each. 

 Ovary 2-celled. Caly.x divided already in the bud. Seeds i — 2, with 

 a membranous coat ; embryo spirally twisted, with minute cotyledons. — 

 Species 2. Cultivated and naturalized in the Mascarene Islands. They 

 yield timber, an aromatic oil, spices (allspice), and medicaments, and 



serve also as ornamental plants Pimenta Lindl. 



Placentas in the middle of the ovary-cells, bearing numerous ovules each. 

 Ovary completely or incompletely 3 — 5-, rarely 2-celled. Seeds numer- 

 ous, with a horny coat ; embryo curved, not spiral 9 



q. Calyx already divided into segments in the bud. Ovary and fruit com- 

 pletely or incompletely 2 — 3-celled. Embryo with rather large cotyle- 

 dons. - — Species I (M. communis L., myrtle). North Africa and 

 Abyssinia, also naturalized in St. Helena. It is used as an ornamental 

 plant and yields tanning bark and an oil employed in perfumery and 



medicine Myrtus L. 



Calyx closed in the bud, bursting subsequently. Ovary and fruit usually 

 4 — 5-celled. luTibryo with minute cotyledons. — Species 2. Cultivated 

 in the tropics. They yield timber, bast used for paper-making, tanning 

 and dveing materials, vegetables, edible fruits (guavas). and medicaments. 



Psidium L. 



FAMILY 181. MELASTOMATACEAE 



Leaves opposite or whorled, undivided, usually with 3 — ir longitudinal 

 nerves, not dotted, without stipules. Flowers regular or nearly so. Petals 

 pcrigynous or epigvnous, free, usually with contorted aestivation. Stamens 

 perigynous or epig\'nous, twice as many, rarely as many as the petals. Fila- 

 ments inflexed in the bud. Anthers 2-celled, turned inwards, usually with an 



