s 



DICOTYLEDONS. 



IX. Capparide^e. Sepals 4. Petals 4. Stamens indefinite. Placentas 2. Albumen 0. 

 Herbaceous or woody. 



X. P1TTOSPOHACE.E. Sepals, petals, and stamens isomerous (5 each). Placentas 2. 

 Shrub. 



XI. BiXAOEiE. Petals as many as sepals or none. Stamens indefinite. (Placentas 3 or 

 more.) Shrub. 



XII. ViolacEjE. Anthers 5, connected in a ring round the ovary. (Herb.) 



§ 3. Ovary syncarpous. Placentas axile. 

 * Disk none. Flower regular. Sepals imbricate. 



XIII. CaryophyllEjE. Stamens definite. Placenta free, central. Embryo curved. 

 Herb. Leaves opposite, entire. 



XIV. HypericinEjE. Stamens indefinite. Flowers usually 5-merous. Leaves opposite. 



XV. Guttiper^e. Stamens indefinite. Sepals 2, 4, or 6. Trees or shrubs. Leaves op- 

 posite. 



XVI. Ternstrcemiace^. Stamens indefinite (except Pentaphylax). Petals often cohe- 

 ring at the base. Leaves alternate. Trees or shrubs. 



** Disk none. Floicers regular. Sepals valvate. 



XVII. Malvaceae. Stamens indefinite, monadelphous. Anthers 1-celled. 



XVIII. Sterculiace^e. Stamens indefinite or definite, monadelphous. Anthers 2-celled, 

 adnate to the outside of the staminal column. 



XIX. Buettneriace^e. Stamens definite or rarely indefinite, monadelphous. Anthers 

 2-celled, terminal. 



XX. Tiliace^e. Stamens indefinite, free or polyadelphous. Anthers 2-celled, terminal. 



*** Disk none. Flowers very irregular. 



XXI. Polygalace^e. Stamens 8 or 4, monadelphous. 



**** Disk or gynobasis prominent {except Olacacea;). 



XXII. Sapindace,e. Petals imbricate. Stamens definite, inside or on the disk (except 

 Turpinia), often anisomerous. Pistil 3-merous. 



XXIII. MALPiGHiACEiE. Sepals with a conspicuous gland outside one or more of them, 

 otherwise as in Sapindacea. Leaves opposite. 



XXIV. Aurantiace^e. Leaves dotted. Petals imbricate. Stamens twice as many or 

 more. Berry indehiscent. No albumen. 



XXV. Olacace^e. Petals valvate. Ovary 1-celled at the top, with 3 pendulous ovules. 



XXVI. AmpeliDjE. Petals valvate. Ovary 2- to 6-celled, with erect ovules. Climbers 

 with tendrils. 



XXVII. Bals amines. Flowers very irregular, spurred. Anthers 5, cohering round the 

 ovary. Herbs. 



XXVIII. Oxalide^e. Petals contorted. Stamens 10. Ovary 5-angled or 5-lobed. Seeds 

 albuminous. Leaves compound. 



XXIX. Rutace^e. Leaves dotted. Petals usually imbricate. Stamens as many or twice 

 as many. Ovary gynobasic or lobed. Seeds often albuminous. 



XXX. Siharubace^e. Flowers unisexual. Petals valvate or imbricate. Ovary gynobasic 

 or lobed. No albumen. Woody and bitter. Leaves compound, not dotted. 



Subclass IT. Calyciflorse. — Petals free. Stamens perigynous or epigynous, except in 

 a few abnormal genera. 



* Disk conspicuous (except Aquifoliacese), perigynous or hypogynous. Floicers small, 



regular. 



XXXI. Celastrace^e. Stamens alternate with the petals. Seeds albuminous. Leaves 

 undivided. 



XXXII. AquifoliacEjE. Petals often united, stamens alternate with them. Disk none. 

 Seeds albuminous. 



