118 LV. ONAUKARIE^. 



3. CENOTHERA, Liun. 



Calyx-tube much produced beyond the ovary, deciduous ; 

 limb 4-parted. Petals 4, obcordate. Stamens 8. Stigma 4- 

 lobed or capitate. Capsule various in form and texture, 4- 

 celled, 4-valved, many-seeded. — Fl. Cap. ii. p. 505. 



A large genus, of American origin. — 2 species (" Evening Primroses ") 

 are naturalized near Capetown. 



Calyx-tube not produced beyond tlic ovary ; limb deeply 

 4-lobed or 4-parted, deciduous. Petals 4, obovate or obcor- 

 cordate. Stamens 8. Stigma clavate or 4-lobed. Capsule 

 linear, 4-sided, 4-celled, 4-valved, loculicidal. Seeds witli a 

 tuft of silky hairs at one end. — Fl. Cap. ii. p. 506. 



Herbs of the temperate zones. Leaves alternate or opposite, entire or 

 serrulate ; flowers axillary or in terminal bracteate spikes, purple or rosy, 

 rarely yellowish. — 3 species, of wliich one is said to be endemic. 



Tribe 2. Montinie^. (G-en. 5.) 



5. MONTINIA, Linn. 



Flowers dioecious. Calyx-tube wholly adnate to the ovary ; 

 limb short, persistent, 4-toothed, mth open aestivation. Pe- 

 tals 4, ovate, epigynous, imbricate, deciduous. Disk (in the 

 male) fleshy, 4-angled. Stamens 4 ; filaments short ; anthers 

 adnate, slitting lengthwise ; pollen trigonous. Ovary inferior, 

 imperfectly 2-celled, with very prominent, fleshy, multiovulate 

 placentas, filling up the greater part of the cavity ; style 

 single, short ; stigma large, deeply 2-lobed. Capsule ligneous, 

 crowned by the style (now become 2-parted) and the calyx- 

 limb, 2-celled, splitting through the centre. Seeds 4-6 in each 

 cell, compressed, with a broad, membranous, marginal wing. — 

 Fl. Cap. ii. p. 307. 



M. acris, Linn., the only species, is a glabroiis, somewhat glaucous shrub, 

 common all over the colony. Leaves varying from oblong to lanceolate or 

 linear, entire, margined, 1-nerved, vemless. Flowers small, white, the males 

 in terminal corymbs, the females mostly solitaiy. 



Tribe 3. Trapej^. (Gen. G.) 



6. TRAPA, Linn. 



Calyx-tube adnate to the lower part of the ovary ; the limb 

 half- superior, 4-parted, valvate in bud, then spreading, persis- 

 tent, with spinous lobes. Petals 4, inserted under a fleshy, 

 epigynous disk, imbricate in bud, the margins plaited and 

 wavy, spreading, deciduous. Stamens 4, inserted with the 



