A NGIOSPERMS. DICO TYLEDONS. 



471 



Order 6. THYMELINEAE : Flowers tetramerous ; calyx petaloid (corolla almost 

 always wanting) ; stamens in one or two whorls, perigynous : carpel solitary, free at 

 the bottom of the. torus, usually with one ovule. Woody plants. 



Families : I. Thymelaeaceae, 2. Elaeagnaceae, 3. Proteaceae. 



Order 7. RosiFLORAE : Flowers usually pentamerous (in Rhodotypus and some 

 others tetramerous) ; stamens 5-30, carpels usually very numerous ; insertion perigynous 

 or epigynous, the perianth and stamens being placed on a torus which is sometimes 

 tubular, sometimes expanded. 



Family : Rosaceae, d. Poterieae, 



a. Pomeae, e. Spiraeeae, 



b. Roseae, f. Pruneae, 



c. Dryadeae, g. Chrysobalaneae. 



Order 8. LEGUMINOSAE : Flowers zygomorphous (Papilionaceae, Caesalpineae), 

 in Mimoseae usually regular ; pentamerous with ten stamens (Papilionaceae, 

 Caesalpinieae) with varying numbers in Mimoseae ; carpel solitary, developing into 

 a legume. 



Families : I, Papilionaceae, 2. Caesalpinieae, 3. Mimoseae. 



B. GAMOPETALAE (Sympetalae). 



I. Isocarpae. Carpels as many as sepals and petals (usually five, rarely more) 

 uniting into an usually superior ovary ; obdiplostemony is usual in Bicornes and 

 Diospyrineae, diplostemony being often supposed to be typical in Primulineae, stamens 

 superposed on the corolla in Primulineae in which the seeds are many on a projecting 

 axial placenta in the unilocular ovary ; ovary plurilocular and many-seeded in Bicornes. 



Order i. BICORNES. 



Families: I. Epacrideae, 



2. Pyroleae, 



3. Monotropeae, 



Order 2. 

 I. Plumbagineae, 



Order 3. 

 I. Sapotaceae, 



4. Rhodoreae, 



5. Ericaceae, 



6. Vacciniaceae. 



Families 



Families 



PRIMULINEAE. 

 2. Primulaceae, 3. Myrsineae. 



DIOSPYRINEAE. 



2. Ebenaceae (with Styraceae). 

 II. Anisocarpae. The typical number of whorls and members of whorls never 

 increased (haplostemony) ; calyx or single stamens sometimes abortive ; carpels usually 

 only two (a posterior and anterior), sometimes three, forming one ovary. 



Order i. TUBIFLORAE. 



Families: I. Convolvulaceae (with Cuscuteae), 4. Boragineae (Asperifolieae), 

 2. Polemoniaceae, 5. Solanaceae. 



Families 



3. Hydrophyllaceae, 



Order 2. 



1. Labiatae, 



2. Scrophularineae, 



3. Lentibularieae, 



Families 



LABIATIFLORAE. 



6. Acanthaceae, 



7. Selagineae (with Globularieae)., 



8. Verbenaceae, 



4. Gesneraceae (with Orobanchaceae), 9. Plantagineae. 



5. Bignoniaceae, 



Order 3. CONTORTAE. 



1. Oleaceae (with Jasmineae), 4. Apocynaceae, 



2. Gentianeae, 5. Asclepiadaceae. 



3. Loganiaceae (with Strychneae), 



