DICOTYLEDONS. 3 



XXXIII. RriAMNACE^E. Stamens opposite the small petals. Seeds usually albuminous. 

 Leaves undivided. 



XXXIV. Terebinthace^e. Stamens alternate with the petals or twice as many (opposite 

 them in Sabia). Styles usually distinct. No albumen. 



** Ovary apocarpous. No albumen. 



XXXV. Connarace^e. Flowers regular. Stamens 10. Carpels usually 5. 



XXXVI. LeguminoSjE. Flowers irregular or (in Mimosea) regular and valvate. Stamens 

 definite or almost hypogynous. Carpel 1. 



XXXVII. Rosacea. Flowers regular. Petals imbricate. Stamens indefinite, very peri- 

 gynous. 



*** 



Ovary syncarpous. Placentas axile. No albumen. 



XXXVIII. Onagrace,e. Sepals valvate. Stamens definite. Ovary inferior. Ovules 

 indefinite. Flowers usually 2- or 4-merous. 



XXXIX. RhizophorEjE. Sepals valvate. Stamens various. Ovary inferior or partly so. 

 Ovules few, pendulous: 



XL. Lythrarie^e. Ovary within the calyx-tube, but free. Petals crumpled, inserted at 

 the border of the calyx-tube. 



XLI. MelastomacE/E. Ovary within the calyx-tube, free or adnate. Petals contorted. 

 Stamens definite, curved down in the bud. 



XLII. MYRTACEiE. Ovary inferior. Petals imbricate. Stamens indefinite. Leaves 

 dotted. 



* * * * Placentas parietal. 



XLI1I. Samydace^e. Petals persistent with the sepals or none. Stamens indefinite or 

 anisoraerous or opposite the petals. 



XLIV. Passiflore^e. Petals persistent with the sepals. Stamens definite, connate with 

 the ovary-stalk. Climber with tendrils. 



XLV. Cucurbitace^e. Flowers unisexual. Stamens 5 or 3. Ovary inferior. Climbers 

 with tendrils. 



Anomalous Order. 



XLVI. Begoniace^e. Flowers unisexual. Stamens indefinite. Ovary inferior. Fruit 

 usually 3-winged. No albumen. Leaves oblique. 



***** Seeds albuminous. Placentas usually axile. 



XLVII. Portulace^e. Sepals 2. Petals 5. (Stamens indefinite.) 



XLVIII. Crassulace^e. Sepals, petals, stamens in 1 or 2 series, and carpels all isomerous. 

 Leaves usually succulent. 



XLIX. Saxifragace^e. Sepals, petals, and stamens in 1 or 2 series, isomerous. Carpels 

 or ovary-cells fewer, usually 2. Ovules several. 



L. HAMAMELiDEiE. Nearly as in Saxifragacece, but the parts of the flower often reduced, 

 flowers usually capitate, and ovules often 1 or 2 in each cell, and pendulous. 



****** Ovary inferior, usually with an epigynous disk. Ovules solitary in each 

 cell and pendulous. 



LI. Umbelliferje. Fruit dry, separating from the axis into 2 seed-like carpels. Leaves 

 alternate, often dissected. 



LII. Araliace.e. Fruit succulent, not separating. Cells usually more than 2. Leaves 

 alternate, often compound. 



LIII. CoRNACEiE. Fruit succulent, 2-celled. Leaves opposite or alternate and undivided. 

 Stamens alternate with the petals. 



LIV. HALORAGEiE. Aquatic or small herbs. Flowers much reduced, 2- or 4-merous. 



LV. Balanophore^e. Succulent leafless root-parasites. Flowers much reduced, usually 

 3-merous. 



LVI. LoranthacEjE. Parasitical shrubs. Leaves opposite. Stamens on or opposite 

 the petals. 



13 2 



