LI. RUTACE^]. 315 



Series A. Ovary deeply 2-5-lobed ; styles basilar or ventral, free or connate by their 

 stigmas only. Fruit capsular or of 3-5 cocci, endocarp usually separating. 



TRIBE I. CUSPARIE.E (see p. 322). Flowers usually irregular. Corolla usually tubular, 

 gamopetalous. Stamens 5, some often anaiitherous, free or adherent to the corolla. Ovules 

 2. Album.en scanty or 0. Cotyledons convolute. Leaves usually broad and compound, 

 leaflets 35. Tropical America. Almeidea, Erythrochiton, Galipea, Ticorea, Monneira, &c. 



TRIBB II. RUTEJ; (see RDTACEJJ, p. 315). Flowers regular (except Didamnus), $ $ ?, 

 often 4-merous. Petals and stamens free, spreading. Disk free, thick. Ovules 3 or 

 more. Albumen fleshy. Embryo wften curved. Herbs, often shrubby below. Leaves often 

 pinnatisect. Chiefly natives of the north temperate regions. Ruta, Bxnninghausenia, Pega- 

 num, Dictamnus. 



TRIBE III. DIOSME^E (see p. 321). Flowers regular, usually . Petals free, usually 

 erect. Stamens 4-5, inserted beneath the free edge of a disk that is adnate to the calyx-tube. 

 Ovary usually deeply 4-lobed. Ovules usually geminate in each cell. Carpels often beaked. 

 Albumen 0. Embryo straight ; cotyledons fleshy. Usually heath-like shrubs. All South 

 African. Calodendron, Euchcetis, Macrostylis, Diosma, Coleonema, Acmadenia, Adenandra, 

 Barosma, Agathosma, &c. 



TRIBE IV. BORONIE^E (see p. 322). Flowers regular, $ . Petals and stamens free. Disk 

 free, cupular or annular, or 0. Ovules 2, superimposed in each cell, rarely geminate. Carpels 

 2-5. Albumen fleshy, embryo terete. Shrubs. All Australasian. Zierlti,, Cyanothamnus, 

 Plicbalium, Philotheca, Chorilcena, Boronia, Eriostemon, Groiuea, Correa, Diplolcena. 



TRIBE V. ZANTSOXYLEJE (see p. 323). Flowers regular, usually polygamo-dioecious. Petals 

 and stamens free, spreading. Disk free, annular or tumid, or 0. Ovules 2, geminate or super- 

 imposed. Carpels 2-5. Embryo straight or curved ; cotyledons usually flat. Tropical trees 

 or shrubs with compound leaves. Melicope, Zantlwxylum, PHocarpus, Evodia, Geijera, Esen- 

 becMa. 



Series B. Ovary entire or slightly lobed ; style terminal. Fruit drupaceous or coria- 

 ceous, rarely dehiscent. 



TRIBE VI. TODDALIE.E (see ZAXTHOXYLE^:, p. 323). Flowers regular, often polygamo- 

 dioecious. Petals and stamens free. Disk free. Albumen usually fleshy. Cotyledons flat. 

 Shrubs or trees, usually tropical. Toddalia, Hostia, Acronijchm^ Casimiroa, Phellodendron, 

 Ptelea, Sldmrnia. 



TRIBE VII. AURANTIE& (see order AURANTIACEJE, p. 318). Flowers regular, $ . Petals 

 and stamens free or connate. Ovules 12 or more. Berry pulpy, usually with a thick rind. 

 Seeds exalbuminous. Leaves 1-3-foliolate or pinnate. Tropical trees and shrubs. Glycosmis, 

 Triphasia, Clausena,Atalantia, Feronia, Micromelum, Murraya, Luvunga, Citrus, ^Egle. 



As thus extended, Rutacece embrace 83 genera and 650 known species. ED.] 



LI. RUTACE^E. 



(RuTACEARUM pars, Jussieu. RUTE^E, Adr. Jussieu. RUTACE^E, Bartling.} 



PETALS 4-5, hypogynous. STAMENS generally double the number of the petals, 

 'inserted at the base of a thick disk. OVAET 3-5-lobed, cells 2-4-co -ovuled. FEUIT a 

 capsule. EMBRYO albuminous, more or lees curved. Scented PLANTS. LEAVES alternate, 

 usually pellucid- dotted, exstipulate. 



