EXOGE1O3 MONOCHLAMYDE^E. 



173 



Cupressus sempervirens. 1. A scale of a male cone with pollen. 2. A scale of a 

 female cone with naked ovules. 3. A ripe cone. 4. The same with one of the 

 scales removed. 



CLASS II. ENDOGEN^E. 



This class is much smaller than the last, and much more 

 easy to arrange systematically. For general purposes the fol- 

 lowing subdivisions may be used : 



1. Rhizanthee. Fungoid parasitical plants. 



2. Florida. Leafy plants with the floral envelopes ver- 



ticillate. 



3. Glwmaceee. Leafy plants with the floral envelopes im- 



bricated. 



SUBCLASS I. RHIZANTH^;. 



Order 156. Rafflesiacea. Flowers by abortion dioecious. 

 Perianth superior, 5-parted, imbricated ; the throat surround- 

 ed by calli. Column adhering to the tube of the perianth ; 

 anthers numerous, 2-celled, opening by a vertical aperture. 

 Ovary inferior, 1-celled, with many-seeded parietal placentae ; 

 styles conical. 



USES. Astringents ; scarcely known. 



TYPICAL GENERA. Rafflesia, Pilostyles. 



