442 THE STORY OF PLANT LIFE 



if indefinite in bundles ; gynoecium free, on flat flower-axis ; 

 endosperm starchy or absent. 



Family 2. Elatinace?e (Vol. II, p. 147). — Flowers 

 cyclic, actinomorphic, very small, 4-6-partite ; sepals and 

 petals 3-4 or 2-5, imbricate ; stamens 6-8 ; ovary syncarp- 

 ous, 3-4 or 2-5-locular; ovules indefinite, on axile 

 placentae ; styles 3-4 or 2-5 ; fruit a capsule. 

 Genus. Elatine (Vol. II, p. 148). 



Family 3. Frankeniace?e (Vol. II, p. 125). — Flowers 



actinomorphic, 4-6-partite ; calyx-tube persistent ; sepals, 



petals, stamens 4-6 ; ovary syncarpous, 2-5 carpels, i- 



locular ; placentae parietal, style i, slender ; fruit a capsule. 



Genus. Franke?iia (Vol. II, p. 127). 



Family 4. Tamaricaceae (Vol. II, p. 143). — Flowers 

 actinomorphic, small, 4-5-partite ; sepals and petals 4-5 ; 

 stamens 4-5 or twice as many or indefinite; carpels (5-2); 

 ovary usually i-locular ; ovules indefinite ; fruit a capsule. 

 Tribe. Taniaricece. 



Genus. Tamarix (Vol. II, p. 145). 



Sub-Order 3. Cistine^. — Stamens indefinite, not in 

 bundles ; gynoecium free, on flat or convex axis ; endosperm 

 with starch. 



Family 5. Cistacese (Vol. II, p. 119).— Flowers 

 actinomorphic ; sepals 5-3, 2 outer smaller ; petals 5-3 or o, 

 convolute, fugacious ; stamens indefinite; ovary syncarpous, 

 i-locular ; (5-10) carpels; ovules on parietal placentae; 

 style simple ; stigmas 3 ; fruit a 3-valved capsule. 

 Ge?ius. Helianthemum (Vol. II, p. 120). 



Sub-Order 4. Flacourtiine^. — Stamens often 5 : 

 gynoecium free, on convex or tubular axis, rarely adnate to 

 axis ; endosperm copious. 



Family 6. Violaceae (Introductory Vol., p. 60). — 

 Flowers zygomorphic, or actinomorphic, 5-partite ; sepals, 

 petals, stamens 5, lower petal spurred ; carpels (3) ; ovules 



