APPENDIX I 437 



Order 14. Geraniales. — Flowers cyclic, hetero- 

 chlamydeous, or apetalous, rarely naked, usually 

 5-merous ; androecium various ; carpels (5-2) rarely 

 more, in one whorl, often separated from one another 

 again when ripe, usually with 2-1 rarely indefinite 

 ovules ; ovule with ventral raphe and micropyle 

 facing upwards, or if more than i ovule present, 

 some sometimes with dorsal raphe and micropyle 

 facing downwards. 



Sub-Order i. Geraniine^. — Flowers usually actino- 

 morphiCjheterochlamydeous; anthers opening by longitudinal 

 slits ; ovules with 2 integuments. 



Family i. Geraniaceae (Introductory Vol., p. 74; 

 Vol. II, p. 166). — Flowers regular; sepals and petals 5; 

 stamens 5-10 ; carpels 5 ; ovary syncarpous, 5-locular ; 

 styles i; ovules 1-2; fruit a capsule or schizocarp splitting 

 into 5 mericarps. 



Tribe i. Geraniece. 



Genera. Geranmm (Introductory Vol., p. 76), 

 Er odium. 

 Family 2. Oxalidaceae. — Flowers 5-partite ; stamens 

 10 ; fruit a capsule or berry. 



Genus. Oxalis (Vol. II, p. t68). 

 Family 3. Linaceae (Vol. II, p. 161). — Flowers actino- 

 morphic, 4-5-partite; petals soon falling, convolute; stamens 

 5~20, united below ; ovary syncarpous, 4-5-locular; ovules 

 2 in each loculus, on axile placentae ; styles 4-5 ; fruit a 

 capsule. 



Tribe. Eulinece. 



Genera. Linum (Vol. II, p. 163), Radiola. 

 Sub-Order 2. PoLvOALiNEiE. — Flowers actinomorphic 

 or zygomorphic ; stamens in 2 whorls ; anthers opening by 

 pores ; carpels (2). 



