•] XXXII. GERANIACEiE. (OLIVER). 303 



boat-shaped. Pedicels very slender, strict, J-f in. Sepals broadly ovate-ob- 

 long. Standard orbicular-oblong, acute. Wings -spreading, subfalcate ; auricles 

 diverging, falcate, ascending ; limb laterally lobed. Lip boat-shaped, suddenly 

 narrowed into a very slender nearly straight spur, f in. long. Capsule £ in. 

 long, gibbous, acute. 



Upper Guinea. Fernando Po, 4000-5000 ft. (Dec.) ; Sierra del Crystal (July), 

 Mann ! 



Nile Land. Abyssinia, moist clifts, prov. Semiene (August), Schimper! 

 Mann sends a small rigid form from Sierra del Crystal, with lanceolate leaves, 1-14 in- 

 long and longer cilia to the crenatures. 



I. macrantha, Hochst. ; A. Rich. Fl. Abyss, i. 121, is unknown to me ; it is described 

 as having fibrous roots, alternate elliptic-ovate leaves that are attenuated at the base, toothed, 

 the teeth terminating in a red seta and scattered setae on the under side, middle-sized axil- 

 lary solitary or twin flowers, lanceolate sepals and a long slender spur. Can it be a form 

 of L capensis ? 



Order XXXIII. RUTACE^J (by Prof. Oliver). 



Flowers usually regular, hermaphrodite or polygamous. Sepals 4-5, free 

 or connate. Petals as many, imbricate or valvate. Stamens as many or 

 twice as many as the petals, rarely fewer or more numerous. Disk usually 

 annular or cushion-like, between the ovary and stamens. Ovary 4-5-car- 

 pellary ; carpels more or less connate, at least in the style, or free, rarely 1- 

 carpellary. Ovules geminate or solitary. Fruit various, separating into as 

 many cocci as carpels or baccate.— Trees shrubs or rarely herbs, usually 

 abounding in immersed glands. Leaves exstipulate, opposite or alternate, 

 simple or compound. Inflorescence various. 



A large Family of warm and tropical regions in both hemispheres. Several numerous 

 genera are peculiar to the Cape flora. 



Herbaceous. Flowers hermaphrodite. Stamens 8-10. Ovules 3 or 



more in each cell 1- Ruta. 



Shrubs or trees. 



Flowers unisexual. Stamens as many as petals. Carpels distinct 

 in fruit . . 2. Zanthoxyi.uk. 



Flowers unisexual. Stamens as many or twice as many as petals. 

 Carpels consolidated 3. Toddaua. 



Flowers hermaphrodite. Stamens twice as many as petals. Fruit 

 jndehiscent. Seed exalbuminous 4 - Clausena. 



[Mowers hermaphrodite. Stamens oo, polyadelphous. Fruit bac- 

 cate, multilocular " * Citrus. 



The Orange, Lemon, and their allies, cultivated here and there.] 



1. BTJTA, Linn. ; Benth. et Hook. f. Gen. PI. i. 286. 



Flowers regular, hermaphrodite. Calyx 4-5-lobed, persistent. Petals 

 *-5, often toothed or fimbriate. Stamens 8-10. Ovary inserted upon a 

 ««ck urceolate or annular disk, deeply 4-5-lobed, 4-5-celled. Style central. 

 *mit separating into as many several-seeded cocci as carpels, mdehiscent or 



