XLIII. EOSACEJ^. 97 



being minute or abortive ; rarely 2-foliolate, the medial leaflets disappearing. 

 Stipules attached to the petiole. Flowers axillary, small and green, sub- 

 sessile — C. strohoUfera, Linn., is very common from Capetown to Natal ; 

 the gi'eat majority of the other species scarcely extend further east than 

 Swellendam. 



Tribe 4. Neurade^. (G-en. 11.) 



11. GRIELLTM, Linn. 



Calyx-tube short, at length concrete Avith the ovary ; limb 

 5-lobed ; lobes nearly valvate in the bud. Petals 5, inserted 

 in the throat of the calyx, large, obovate, convolute in bud. 

 Stamens 10, inserted with the petals. Carpels 5-10, in the base 

 of the calyx, confluent with the calyx-tube and with each 

 other, 1-ovuled ; styles 5-10, filiform, short ; stigmas capitate. 

 Capsules depressed, 5-10-celled, the cells at length opening in 

 the axis, 1-seeded. — Fl. Cap. ii. p. 3U4. 



South African herbs, growing in sandy places and in salt ground. 

 Leaves alternate, hoary, pinnately decompound, with narrow segments. 

 Flowers large, yellow. 



Oedee XLIV. SAXIFRAGEiE. 



Calyx 5-cleft (rarely 3-10-cleft), regular, adnate to the 

 ovary or free ; limb mostly persistent, sometimes enlarged in 

 fruit. Petals as many as the calyx-lobes, rarely wanting, 

 sometimes cleft or lacerate. Stamens inserted with the petals 

 in the throat of the calyx, as many as the petals and alternat- 

 ing, or twice as many, rarely fewer or more numerous. Ovary 

 inferior or more or less superior, of 2 (rarely 3-5) carpels, 

 more or less cohering by their inner faces ; ovules commonly 

 many ; styles distinct, or more or less confluent. Pruit cap- 

 sular, splitting at maturity through the centre. Seeds almost 

 always albuminous. — A large and heterogeneous Order, to 

 which it is nearly impossible to affix natural limits. 



Tribe 1. Saxifrage.e. Herbaceous or half-shrubby plants with exsti- 

 pulate leaves. 



1. VaJilia. Ovary inferior ; styles 2, spreading. Leaves opposite, simple, 

 linear. 



Tribe 2. Cunonie.1:. Shrubs or trees, with opposite leaves and interpe- 

 tiolar stipules. 



2. Cunonia. Flowers racemose. Petals entire. Leaves pinnate. 



3. Platylophus. Flowers panicled. Petals 3-fid. Leaves 3-foliolate. 



Tribe 3. Escallonie^. Trees and shrubs, with alternate, simple, exsti- 

 pulate leaves. Stamens as many as the petals. Ovary inferior. 



4. Choristylis. Flowers o-fid, minute and green, in axillary panicles. 

 Leaves ovate, serrate, strongly-nerved, and veiny. 



H 



