80 KEY AND FLORA 



IX. WHIP'PLEA 



Low shrubs, with trailing stems and branches. Leaves 

 opposite, 3-ribbed, toothed. Flowers in small cymes on slender, 

 naked stems. Calyx 5-cleft, with white divisions, the tube 

 attached to the lower part of the ovary. Petals 5, very small. 

 Ovary 3-5-celled, ivitlt 1 seed in each cell. Styles as many as 

 the cells. 



W. modes'ta Torr. This is always found in woods of the Coast 

 Mountains, particularly in the redwoods. 



CALYCANTHA'CE^. Sweet Shrub Family 



Aromatic shrubs with opposite leaves and no stipules ; 

 sepals, petals, and stamens passing into each other, and all 

 uniting below into a closed cup which is lined by a hollow 

 receptacle bearing numerous simple pistils. 



Calycan'thus occidentalis Hook. & Arn. Sweet Shrub. Sepals 

 numerous, imbricated, their bases united in many ranks into a 

 cup-shaped tube, the outer bract-like, the inner linear-oblong ; petals 

 similar. Flowers terminal, reddish purple, fragrant, with an odor like 

 benzoin. This grows near streams and is more frequent in northern 

 California. 



ROSA'CE^. Rose Family 



Herbs, shrubs, or trees with alternate stipulate leaves. 

 Stamens numerous, inserted on the persistent calyx or on a 

 calyx-like receptacle. Ovaries from one to several. Seeds few, 

 without endosperm. This family contains some of our most 

 valuable fruits, such as the apple, pear, quince, almond, peach, 

 plum, apricot, cherry, raspberry, blackberry, and strawberry. 

 There are three great subdivisions or suborders. 



Suborder I. — AMYGDA'LE^ 



Trees or shrubs. Fruits with a fleshy exocarp enclosing a 

 hard endocarp, called a drupe or stone fruit (/. Fig. 170 ; 

 e. Fig. 180), as the plum, peach, almond, etc. 



