Xll 



Synoptic Index 



Order 6. 



b. Flowers homochlamydeous to heterochlamydeous 

 but the perianth is always petaloid. 

 Epigyny throughout. Zygomorphy 

 dominant . . . . . 

 Order 7. Microspermae . . . . 

 Fam. Orchidaceae . . . . 

 Class 2. DICOTYLEDONES . 

 Subclass I. ARCHICHLAMYDEAE . 

 a. Amentiflorae (Moss). Mostly trees or 

 shrubs. $ flowers usually, 

 and ? flowers often, in catkins 

 Perianth absent or haplo 

 chlamydeous and bracteoid 

 Order i. Salicales 



Fam. Salic aceae . 

 Order 2. Myricales 



Fam. Myricaceae 

 Order 3. *Juglandales 



Fam. *Juglandaceae 

 Order 4. Pagales . 



Fam. I. Betulaceae 

 Fam. 2. Fagaceae 

 Order 5. Urticales 



Fam. I. Ulmaceae 



Fam. 2. Cannabaceae {Moraceae, Can 



naboideae in Syllabus) . 

 Fam. 3. Urticaceae . 



