148 FOUNDATIONS OF BOTANY 



I. MALVA, L. 



Calyx 5-cleft, with a small, 3-leaved involucre. Petals 

 obcordate or truncate. Styles many, slender, with stigmas 

 running down the sides. Carpels many, 1-seeded, arranged 

 in a circle and separating from each other, but not opening 

 when ripe. 



1. M. rotundifolia, L. Common Mallow, Cheeses (from ap- 

 pearance of the unripe fruit). A common biennial or perennial 

 weed, with nearly prostrate stems. Leaves long-petioled, round- 

 kidney-shaped, with crenate margins. Flowers small, whitish, on 

 long peduncles. 



2. M. sylvestris, L. High Mallow. Biennial or perennial. 

 Stem erect, 2-3 ft. high. Leaves 5-7 lobed. Flowers purplish, 

 larger than those of the preceding species. 



n. ABUTILON, Toum. 



Calyx 5-cleft, the tube often angled. Styles 5-20, with 

 knobbed stigmas. Carpels as many as the styles, arranged in 

 a circle, each 1-celled, 3-6-seeded, and opening when ripe by 

 2 valves. 



1. A. striatum, Dicks. Tassel Tree, Flowering Maple. A 

 shrub 5-10 ft. high. Leaves maple-like. Flowers showy, solitary, 

 nodding on slender peduncles. Corolla not opening widely, orange, 

 striped with reddish-brown veins. Column of stamens projecting 

 beyond the corolla like a tassel. Cultivated in hothouses. From 

 Brazil. 



65. HYPERICACE^. St. Johnswort Family. 



Herbs, shrubs, or trees. Leaves opposite, often covered 

 with translucent or dark dots, entire or with glandular teeth, 

 without stipules. Plowers usually in terminal cymes. Sepals 

 5, rarely 4. Petals as many as the sepals, hypogynous. 

 Stamens usually many, more or less grouped in bundles, 

 anthers versatile. Pod 1-celled, with 2-5 parietal placentae 

 and the same number of styles, or else 3-7-celled, splitting 

 along the partitions. 



