LI. EUTACE^. 315 



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

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



Teibb I. CuSPAEiEJi (see p. 322). — Flowers usually irregular. Corolla usually tubular, 

 gamopetalous. Stamens 5, some often anantberous, free or adberent to tbe corolla. Ovules 

 2. Albumen scanty or 0. Cotyledons convolute. — Leaves usually broad and compound, 

 leaflets 3-5. Tropical America. Almeidea, ErythrocMton, Oalipea, Ticorea, Monneira, &c. 



Tribe II. Rute^ (see RoTACEiE, p. 315). — Flowers regular (except Dictamnus), $ ^?, 

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

 more. Albumen flesby. Embryo «ften curved.-^-Herbs, often shrubby below. Leaves often 

 pinnatisect. Chiefly natives of th» north temperate regions. Buta, Bainninghausenia, Pega- 

 nvrni, Dictamnus. 



Tribe III. Diosmej: (see p. 321). — Flowers regular, usually 5 ■ 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. Galodendroii, EucliCBtis, Macrostylis, Diosma, Goleonema, Acmadenia, Adenandra, 

 Barosma, Agathosma, &c. 



Tribe IV. Boeoniej3 (see p. 322). — Flowers regular, g . Petals and stamens free. Disk 

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

 2-6. Albumen fleshy, embryo terete. — Shrubs. All Australasian. Zieria, Gyanothamnus, 

 Phebalium, PMlotheca, Ghorilcena, Boronia, Uriostemon, Orowea, Gorrea, Diplolcena. 



Tribe V. Zanthoxtlej! (seep. 323). — Flowers regular, usually polygamo-dicecious. 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. Meliaope, Za/nthoxyluTii, Pilocarpus, Evodia, Geijera, Esen- 

 hecJda. 



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

 ceous, rarely dehiscent. 



Tribe VI. Toddaliej! (see Zanthoxylej;, p. 323). — Flowers regular, often polygamo- 

 dicecious. Petals and stamens free. Disk free. Albumen usually fleshy. Cotyledons flat. — 

 Shrubs or trees, usually tropical. Toddalia, Sostia, Acronyc'hia, Gasimiroa, Phellodendron, 

 Ptelea, Sl'imviia. 



Tribe VII. Auranties (see order Aueantiace^, p. 318). — Flowers regular, 5 • Petals 

 and stamens free or connate. Ovules 1-2 or more. Berry pulpy, usually with a thick rind. 

 Seeds exalbuminous. Leaves 1-3-foliolate or pinnate. — Tropical trees and shrubs. Gh/cosmis, 

 Triphasia, Glausena,Atalaniia, Feroifa, Micromelum, Murraya, Luvunga, Gitnis, Mgle. 



As thus extended, Butacew embrace 83 genera and 650 known species. — Ed.] 



LI. RUTACEJ2. 



(HuTACEARUM 'pars, JussieM.—'Rv'S'&M, Adr, Jusdeu. — Euta0E.<E, Bartling.) 



Petals 4-5, hypogynous. Stamens generally double the number of the petals, 

 inserted at the base of a thicTt disk. Ovaet d-^h-lobed, cells 2~4-co -ovuled. Feuit a 

 capsule. Embeto albuminous, more or less curved. — Scented plants. Leaves alternate, 

 usually pellucid- dotted, exstipuiHe. 



