APOPETAI.OUS DICOTYLEDONOUS ANGIOSPEKMS. 13 



OKDiiK II. BERBERIDACE^. 



Herbs and shrubs. Parts of the perhiiith L'—'i-seriate. Stamens 

 opposite tlie petals. Anthers mostly valviihir. Carpel solitary, 

 1-celled. 



Calyx of 6 sepals. Corolla of (5 petals. Anthers 6. Style 0. Berry 

 l-t-elled. 



Barberry, Berberis. 

 Flowers white. Petals 6-9. Stamens 12-18. Anthers o))eiiin^ hy slits. 

 Leaves, two iu nuinl^er, alternate, .5-9-lol)etl. Lohes toothed. 



May Apple, Mandrake, Podophyllum. 



Order III. PAP AVERAGES. 



Herbs with milky or colored juice. Flowers regular. Sepals 2, 

 rarely :5, falling off early. Petals 4-12. Stamens many. Syncarpous 

 ovary, 1-chambered. Placenti^ on the wall. 



Leaves large, pinnate, and glaucous. Leaflets deep cut oi- toothed. Flowers 

 showy. Pods globose. .Juice milky. 



Poppy, Papaver. 



Order IV. CRUCIFERJ3. 



Herbs. Sepals and petals growing in the form of a cross. Usually 

 stamens, 4 long and 2 shorter. Ovary 2-celled, with 2 united carpels. 



Pods short, triangular; septum narrow; many-seeded. Flowers minute, 

 white. 



Shepherd's Purse, Capsella. 

 Pods long, tapering, four-sided, beaked. Seeds globose, arranged in a row. 

 Flowers yellow. 



Turnip, Mustard, Brassica. 

 Pods globose or egg-sha])ed. Seeds obovate, Hattened, arranged in two 

 rows in each cell. Leaves large, lower ones ))innate, upper ones entire. 



Flowers white. 



Horse Radish, Cochlearia. 



Pods oval or elliittical, flat. l-.«jee(Ied. Valves boat-sliaped. Leaves thick, 

 large. Flowers small, yellow, and in terminal ])anicles. 



"Woad, Isatis. 



Pods round or oval. Sepals spreading. A'alves, convex, nerveless. Seeds 



in two rows iu each cell. 



"Water Cress, Nasturtium. 



Order V. CAPPARIDACE^. 



Herbs, shrubs, and trees. Flowers cruciate. Stamens 6 or more, 

 never tetradynamous. Ovary l-celle*d; two placent.T on the wall. 

 Leaves simple, or digitate, spiny. 



Sepals 4. Petals 4, alternating with the st'pal>. Stamens numerous. Pistil 

 one, longer than the stamens. 



Caper, Capparis. / 



