GUIDE III. 



FRUIT. 



CLASS I. Fruit releasing the ripened seed by decaying: 



A. Fleshy or pulpy, with one or more seeds. 



(a) Seeds, two or more, and in distinct cells (Apple, Shad- 

 bush). A pome. Go to i. 



(a) Seed, one to many, not in distinct cells (Huckleberry). 

 A berry. Go to 2. 



B. Fleshy (or sometimes nearly dry), with one or more " stones." 



A drupe or an etaerio. 

 (a) Solitary, with one or in Papaw with several large stones 



(Cherry, Papaw). Go to 3. 

 (a) Solitary, with one to several small stones (Sumach). Go 



to 4. 

 (a) Clustered on one receptacle, each drupelet with one small 



stone (Raspberry). Go to 5. 



C. Not fleshy, with one or in the " samara " sometimes two 



ripened seeds 

 (a) The coat dry, tipped with the remains of the style, and free 



from but enclosing its one small seed (Groundsel 



Tree). An achenium. Go to 6. 

 (a) The coat, a thin membrane forming a " wing " around or 



at the sides of the fruit (Trefoil Maple). A samara. 



Go to 7. 

 (a) The coat a cup, a wrap, or a scale (Acorn, Hazel-nut, 



Alder). A glans, a nut, or a nutlet. Go to 8. 

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