DICOTYLEDONOUS PLANTS. 29 



ascending and branching, woolly, leaflets oblong wedge-shaped, with 

 a few large, deeply cut teeth, smooth and green above, silvery 

 beneath, with a dense coat of white wool ; flowers small and some- 

 what clustered. Perennial. 



in. ROSA, ROSE. 



Calyx-tube urn-shaped, with a rather narrow mouth. Petals 

 (in single roses) 5. Stamens many, inserted around the 

 inside of the mouth of the calyx-tube. Ovaries many, hairy, 

 ripening into bony akenes, enclosed in the rather fleshy and 

 sometimes eatable calyx-tube. 



a. (R. blaxda), Eaklt Wild Rose. Stems 1-3 ft. high, 

 usually without prickles ; stipules broad ; flowers generally large, 

 corymbed or solitary ; sepals after flowering closing over the mouth 

 of the calyx-tube and persistent. 



6. (R. Carolina), Swamp Rose. Stems 4-8 ft. high, with stout 

 and generallj- recurved prickles ; stipules long and narrow ; leaflets 

 commonly downy beneath, finely serrate ; flowers several in a corymb, 

 bright rose-color ; sepals spreading and falling oH after flowering. 



c. (R. lucida). Dwarf Wild Rose. Stems varjing ia height 

 from less than a foot to 6 ft., with stout, somewhat hooked prickles ; 

 stipules rather broad ; leaflets small, thickish and glossy above, 

 coarsely toothed toward the tip ; flowers corymbed, or solitary pale 

 rose-color ; sepals spreading and falling oS after flowering. 



leguminos;e, pulse family. 



Herbs, shrubs, or trees. Leaves alternate, usually coni- 

 pound (either pinnately or palmately), with stipules, the leaf- 

 lets entire. Calyx of 5 sepals, which are more or less united, 

 often somewhat irregular. Corolla, of 5 petals, often papili- 

 onaceous (Fig. 119), or somewhat regular. Stamens diadel- 

 phous (Fig. 130), monadelphous, or distinct. Ovary simple, 

 superior. Fruit usually a 1-eelled pod (Fig. 162). Seeds one 

 or several, without endosperm. 



I. TRIFOLIUM, CLOVER. 



Herbs, mostly with palmately compound leaves ; flowers in 

 heads, short spikes, or umbels which resemble heads ; calyx 

 vrith 5 bristle-like teeth ; petals with claws, which are more 



