EXOGENJE THALAMIFLORJE. 



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imbricated. Stamens 5. Ovary single, many-seeded. Fruit 

 capsular or berried, with many-seeded cells which are some- 

 times incomplete. Albumen fleshy. 



USES. Unimportant. The species are resinous. 



TYPICAL GENERA. Pittosporum, Sollya, Billardiera. 



46. Rutacea. Trees or shrubs (or herbs). Leaves ex- 

 stipulate, dotted. Flowers often very gay. Flowers herm- 

 aphrodite, sometimes irregular. Sepals 4-5. Petals some- 

 times combined. Stamens definite, on the outside of a cup- 

 like disk. Ovary few-celled ; ovules 2-4 ; style single, occa- 

 sionally divided near the base, always separable into its 

 component parts as the fruit approaches maturity. Fruit 

 capsular, separating into carpels when ripe. Embryo with 

 or without albumen ; radicle superior. 



Eriostemon myoporoides. 1. A complete flower. 2. The ovary, seated in a cup- 

 shaped disk, surrounded by a calyx. 3. The ripe fruit, separated spontaneously into 

 its component carpels. 4. A vertical section of a seed, showing the embryo lying in 

 the midst of albumen. 



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