}c NATURAL ORDERS. 



** Ovary syncarpous. Placentas parietal {except in Polygalaceae). 



IV. Papaverace^ (figs. 36-44). Perianth regular, in twos or 

 fours. Stamens indefinite. 



V. FUMARIACE^ (figs. 45-7). Periantli very irregular, in twos 

 or fours. Stamens 6, in two sets. 



VI. CRUCiFERiE (figs. 48-113). Sepals and petals 4 each. 

 Stamens 6, of which 2 shorter. 



VII. Resedace^ (figs. 1 14-6). Petals small, unequal, some 

 divided. Stamens few, but indefinite. Capsule open at the lop 

 before it is ripe. 



VIII. ClSTACE^. (figs. 117-20). Sepals 3, equal, or with 

 additional small ones. Petals 5, regular. Stamens indefinite. 



IX. VlOLACE^ (figs. 121-6). Stamens 5 ; the anthers on the 

 inner face of very short broad filaments, usually united in a ring. 

 Capsule 3-valved. 



X. POLYGALACE^ (fig. 127). Perianth very irregular. Sta- 

 mens 8, in two parcels ; petals united with them. Capsule 

 2-celled. 



XI. Frankeniace^ (fig. 128). As in Caryophyllacete, except 

 the parietal placentas. 



*** Ovary syncarpous. Placentas axile. 



XII. CARYOPHYLLACEyE (figs. 129-73). Leaves opposite, entire. 

 Flowers regular. Stamens definite. Capsule i-celled, with a free 

 central placenta. 



XIII. PORTULACE/E (figs. 174-5). As in Caryophyllacese, but 

 only 2 sepals and 5 or more petals. 



XIV. Tamariscine^ (fig. 176). Shrubs with alternate green 

 scale-like leaves. Flowers regular. Capsule i-celled. Seeds with 

 a tuft of wool. 



XV. ElatinacE/B (figs. 177-8). As in the Pink family, Caryo- 

 phyllacece, but the capsule divided into cells. 



XVI. Hypericine^E (figs. 179-89). Leaves opposite. Flowers 

 regular. Sepals imbricate. Stamens indefinite, in 3 or 5 clusters 

 or bundles. 



XVII. LiNACEiE (figs. 190-4). Leaves entire. Petals convolute, 

 distinct. Stamens definite. Capsule separating into carpels without 

 leaving a central axisi 



XVIII. Malvace^ (figs. 195-200). Sepals valvate. Petals 

 convolute, adhering at the base to the staminal tube. Stamens 

 indefinite, monadelphus, with i-celled anthers. 



XIX. TlLlACE^ (fig. 201). Trees. Sepals valvate. Petals 

 free. Stamens indefinite. 



XX. GeraniacE/E (figs. 202-20). Petals convolute or very 



