DICOTYLEDONS. 3 



XXIII. Steeculiace^e. Herbs, shrubs, or trees, 'with alternate leaves. Stipules usually 

 present. Stamens monadelphous, or, if free, definite and alternating with the petals. Anthers 

 2-celled. 



XXIV. TiMACE*. Trees or shrubs, rarely herbs, with alternate leaves. Stipules usually 

 present. Stamens indefinite, free, or scarcely united at the base. Anthers 2-oelled. 



Series II. DisciFLOR.ffi;. — Torus usually thickened or expanded into a disk, 

 either free or adnate to the ovary, or to the calyx, or to both, rarely reduced to 

 glands, or wanting. Stamens as many or twice as many aa petals, or fewer. 

 Ovary superior, or partially immersed in the disk, divided into cells with axile 

 placentas, or the carpels distinct. 



(Stamens indefinite in a very few exceptional species. Ovary inferior or enclosed in the 

 oalyx-tube in most Rhamnece ; 1-celled in some Olacinem.) 



Alliance VIZ. G-eranlales. — Disk within the stamens, or confluent with the staminal 

 tube, or reduced to glands, or ohsolete. Gynmcium Idbed or apocarpous, or sometimes entire. 

 Ovules usually 1 or 2 in each cell, 1 or both pendulous with a ventral raphe. 



XXV. LiNE^. Herbs or shrubs, with " undivided alternate leaves. Stipules often present 

 Disk small, glandular, or none. Ovary entire. Ovules usually 2 In each cell. Albumen fleshy 

 rarely wanting. 



XXVI. MALPiGHiACEa;. Woody climbers (rarely trees or shrubs), with opposite (rarely alternate) 

 leaves. Stipules present. Two glands on the outiide of some or all the calyx-lobes (wanting in 

 the Australian genera.) Disk large. Gyncecium lobed or apocarpous. Ovules solitary in each 

 cell. No albumen. 



XXVII. ZvoopHYLLEffl. Herbs or shrubs, usually articulate or succulent, without glandular 

 dots. Leaves 2-foliolate or pinnate, rarely simple. Stipules present. Disk fleshy. Ovary 

 angular or lobed. Ovules 2 or rarely more in each cell. Albumen fleshy or none. 



XXVIII. GEKANIACE.E. Herbs or shrubs, articulate or not, with toothed, divided, or compound 

 leaves without glandular dots. Stipules usually present. Disk reduced to 5 glands or obsolete. 

 Ovary angular or lobed. Ovules 1, 2 or rarely more in each cell. Albumen none or rarely 

 fleshy. 



XXIX. EuTACEa;. Trees or shrubs, very rarely herbs, with compound or rarely simple leaves, 

 always marked with pellucid glandular dots. No stipules. Disk within the stamens. Ovary 

 rarely entire, usually lobed or the carpels distinct, with the styles connate or gyncecium entirely 

 apocarpous. Ovules 2 in each cell. Albumen fleshy or none. 



XXX. SiMAEUBEffi. Characters of Rutacece, except that the leaves are not dotted and the 

 ovules are usually solitary in each cell. Taste generally bitter. 



XXXI. OcHNACE^. Shrubs or trees, with alternate, simple, glabrous, penninerved leaves. 

 Stipules various. Sepals 4 — 5, free, often scarious or rigid. Torus enlarging after flowering. 

 Stamens definite or indefinite. Anthers linear, often elongate. Ovary often lobed. Ovules 1, 2, 

 or more in each cell. 



XXXII. BuKSERACE^. Trees or shrubs, not dotted, but with a balsamic juice. Leaves pin- 

 nately or ternately compound. No stipules. Disk free or adnate to the calyx-tube, Ovai-y 

 entire. Ovules usually 2 in each cell. Albumen none. Cotyledons much folded or rarely thick 

 and fleshy. 



XXXIII. MELiACEa:. Trees or shrubs, with compound or rarely simple leaves. No stipules. 

 Stamens monadelphous. Anthers sessile or rarely stipitate within or on the top of the staminal 

 tube. Ovary entire. Ovules 2 in each cell. Albumen none or fleshy. 



Alliance VZZX. Olacales. — Disk various or none. Ovary entire. Ovules 1 to i,in 

 a solitary cell or lin each cell, pendulous with «. dorsal raphe, the integuments not distinct from 

 the nucleus. Seeds solitary in the fruit or in the cells. Albumen copious. 



XXXIV. Olacine^. Trees or shrubs, rarely undershrubs or climbers. No stipules. Petals 

 or corolla-lobes valvate (except Villaresia). OvAry 1-oelled or incompletely 3- to 5-celled. Fruit 

 l-^eeded. 



XXXV. iLioiNE^ffl. Trees or shrubs. No stipules. Petals or corolla-lobes imbricate. Ovary 

 3- or more celled. 



Alliance XX. Celastrales. — Disk thick and fleshy or adnate to the calyx, the 

 stamens outside or upon it. Ovary entire {except Stackhousia). Ovules 1 or 2 in each cell, erect 

 with a ventral raphe. 



XXXVI. Celastrine«i. Trees or shrubs, with Simple leaves. Stipules none, or minute and 

 deciduous. Calyx-lobes imbricate. Petals spreading. Stamens alternating with the petals or 

 Jewer, Ovary entire, 



