DICOTYLEDONS. 3 



Cohort VII. Geraniales. — Ovary more or less deeply sulcate or lohed, more rarely 

 entire (Linese, Humiriacese, Burseraceoe, Meliaceae, Chailletiaceee). Stamens hypogynous. 

 Ovules \, 2 or rarely indefinite, pendulous^ with a ventral raphe. 



XXVIII. LiNEiE. Shrubs or herbs, with alternate or rarely opposite {Aneulophus), 

 simple leaves. Ovary undivided. Styles free or connate. Ovules 1 or 2 in each cell. 



XXIX. HuMiRiACE^. Tree, with alternate, coriaceous, glabrous leaves. Ovary undi- 

 vided. Connective of the anthers fleshy, produced beyond the cells. Ovules solitary. 



XXX. MALPiGHiACEiE. Shrubs, usually climbing, with opposite or alternate {Acrido- 

 carpus) leaves. Sepals often with dorsal glands. Ovary lobed. Ovules solitary. Fruit- 

 carpels winged. 



XXXI. ZYGOPHYLLEiE. Herbs or shrubs, with opposite or alternate (Nitraria), 1-2- 

 foliolate or pinnate leaves. Filaments often with a minute scale at the base. Ovary angled 

 or lobed. Ovules 1, 2 or more in each cell. 



XXXII. GERANiACEiE. Hcrbs, rarely shrubs, with alternate or opposite, usually stipu- 

 late leaves, which are not pellucid-dotted. Stamens 5, 10 or 15, all or only part antherife- 

 rous. Ovary lobed. Ovules 1 or 2. Fruit usually with a central prominent beak. 



XXXIIT. RuTACEiE. Trees shrubs or herbs, with opposite or alternate, simple or com- 

 pound, exstipulate, gland-dotted leaves. Ovary lobed, usually surrounded by or inserted upon 

 a fleshy disk. Ovules 1 or 2 in each cell. 



XXXIV. SiMARUBE^. Shrubs or trees, bitter to the taste, with alternate, simple or 

 compound, eglandular leaves. Filaments usually pilose or with an adnate scale. Ovary 

 lobed. Ovules 1 or 2 in each cell. 



XXXV. OcHNACE^. Shrubs or trees, with alternate, simple, glabrous, penuiveined, sti- 

 pulate leaves. Stamens 10-c3O. Anthers linear, often elongate. Ovary deeply lobed. 

 Fruit-carpels distinct, drupaceous. 



XXXVI. BuRSERACE^. Trees or shrubs, usually abounding in resiu. Leaves alternate, 

 exstipulate, 3-foliolate or piunate, rarely 1-foliolate. Ovary entire. Ovules 2 or 1 in each 

 cell. Albumen 0. 



XXXVII. Meliaceje. Trees or shrubs, with alternate, exstipulate, compound leaves. 

 Stamens 8-10, monadelphous (in African genera). Ovary entire. Ovules 2 or 4 to 10 in 

 each cell. 



XXXVIII. Chatlletiace^. Small trees or shrubs, with alternate, entire, stipulate 

 leaves. Petals bifid. Ovary entire. Ovules 2 in each cell. 



Cohort VIII. Olacales. — Ovary entire, l-oo-celled. Stamens hypogynous or 

 suhhypogynou^. Ovules 1-3 in each cell, pendulous, with a dorsal raphe. Seeds usually 

 albuminous. 



XXXIX. OLACINE.S;. Trees or shrubs, erect or scandent. Leaves alternate, simple, ex- 

 stipulate. Petals free or connate, usually valvate. Ovary 1- or imperfectly 3-5-celled. 

 Ovules usually solitary in each division of the ovary. Albumen rarely wanting. 



XL. Ilicine^. Glabrous shrub or tree, with alternate, simple, exstipulate leaves. Pe- 

 tals imbricate. Ovary 3-6-celled. Albumen copious. 



Cohort IX. CelABtTKleB.— Disk fleshy, free or adnate to the calyx-tube. Stamens 

 rarely more than petals, inserted around or within the margin of the disk or hypogynous. 

 Ovules erect. Flowers small, usually hermaphrodite. 



XLI. Celastrace^. Shrubs or trees. Leaves opposite or alternate, simple. Petals 

 imbricate. Stamens alternate with the petals or only 3. 



XLII. RHAMNACE.S:. Shrubs or trees, with simple leaves. Calyx-lobes valvate. Petals 

 small, concave. Stamens opposite to the petals. 



XLIII. Ampelide^. Shrubs often scandent, with jointed stems and alternate, simple 

 or compound leaves. Calyx-lobes imbricate. Petals valvate, caducous. Stamens opposite 

 to the petals. 



Cohort X. Sapindales.— 2)?J/t various. Stamens hypogynous or tubhypogynous. 

 Ovary entire or lobed. Ovules 1 or 2 in each cell, ascending, pendulous or laterally 

 affixed, rarely indefinite. Flowers most frequently unisexual or polygamous. Leaves 

 most frequently compound. Trees or shrubs^ rarely herbs. 



