DICOTYLEDONOUS PLANTS 103 
ovary. Petals 5, cut-fringed, inserted on the throat of the 
calyx-tube. Stamens 5 or 10, not projecting from the ealyx- 
tube. Styles 2, very short. Ovary and pod 2-beaked, 
globular, 1-celled. 
1. M. diphylla, L. Two-LeEaAvep BisHop’s Cap, Frince Cup, 
Farry Cup. Stemless, with long-petioled, roundish-cordate root- 
leaves, and a scape about 1 ft. high, bearing 2 opposite, nearly ses- 
sile leaves. Flowers many, racemed, white. Woods. 
Iv. HEUCHERA, L. 
Perennials with a tall scape and roundish, heart-shaped 
radical leaves. Flowers rather small, greenish or purplish, 
in a long panicle. Calyx 5-cleft, the tube below adnate to the 
ovary. Petals 5, small, spatulate, inserted with the 45 sta- 
mens on the margin of the calyx-tube. Capsule 1-celled, 
2-beaked, splitting open between the beaks. 
1. H. americana, L. Common Atum Root. Scapes 2-4 ft. high, 
rather slender, often several from the same root, hairy and glandu- 
lar. Fadical leaves large and long-petioled, abundant, somewhat 
7-lobed. Flowers whitish with a tinge of purple, in a loose panicle. 
Stamens projecting considerably outside the flower, their stamens 
of a bright terra cotta color. The root is very astringent and is 
somewhat used as a home remedy. Shaded banks, fence rows, and 
thickets ; common W. 
V. PHILADELPHUS, L. 
Shrubs. Leaves simple, opposite, 3—5-ribbed, petioled, 
_ without stipules. Flowers solitary or in cymes, large, white. 
Calyx-tube top-shaped, adnate to the ovary, the limb 4~—5- 
parted, persistent. Petals 4-5, rounded or obovate. Stamens 
20-40, shorter than the petals. Ovary 3—5-celled, many- 
seeded ; styles 3-5, more or less united.* 
1. P. grandiflorus, Willd. LARGE-FLOWERED SyRINGA. Shrub, 
6-10 ft. high; branches downy. Leaves ovate or ovate-oblong, 
taper-pointed, sharply serrate, downy, 3-ribbed. Flowers solitary or 
2-3 together, white, 14-2 in. broad, not fragrant. Calyx-lobes 
ovate, taper-pointed, about twice as long as the tube. On low 
ground, S., and cultivated.* 
2. P. coronarius, L. GARDEN SyrinGA. Shrub, 8-10 ft. high. 
Leaves oval or ovate, obtuse at the base, acute at the apex, remotely 
