ORDER 22._THE PURSELANES. 175 
5 L. corona’ta. Chinese L. Petals very broad, fringed with numerous teeth. + 
6 L. Floscu’culi. Zagged Robin. Petals divided into 4 long teeth, crowned. t+ 
4, CERAS'TIUM. Mouse-ear. Chickweed. 
Sepals 5, ovate, acute. Petals 5, bifid or 2-cleft. Stamens 10, some- 
times 5 or 4. Styles 5. Capsule cylindrical or roundish, opening at top 
by 10 tooth-like valves. Seedsnumerous. Fils. white, in cymes. (Fig. 114. 
Petals about as long as the calyx. Plants hairy. ..1, 2 
Petals much longer than the calyx. Plants hairy or downy....3, 4, 5 
1 C, vulga’tum. Common M. Lvs. obovate. Sepals acute. Fis. at first crowded. 
2 C. visco’sum. Sticky M. Hairs sticky. Leaves lance-ovate. Sepals obtuse. 
8 C.arven’se. Field M. Lvs. linear. Ripe pods as long as the calyx. N. E. 
4 ©, oblongifolium. Leaves lance-obl. Pods longer than calyx. M. 
8 C.nu’tans. Nodding M. Ripe pods curved, thrice longer than calyx. N W. 
5. MOLLU'GO. Carpet-weed. 
Sepals 5. Petals 0. Stamens 3-5, opposite to the sepals. Styles 3. 
Capsule 8-celled, 3-valved, many-seeded—@ Low or prostrate herbs, 
with the leaves appearing whorled. 
M. verticilla’ta. Stems slender, jointed, much branched, lying flat on the ground. 
At each joint stands a whorl of wedge-shaped or spatulate leaves of unequal 
size, usually about 5 in number, and a few flowers, each solitary on its stalk, 
which is shorter than the petioles. Flowers small, sepals white inside. In dry 
places. Suly-Sept. 
Orper XXII. PORTULACACEA. The Purselanes. 
Herbs with thick, entire leaves, no stipules, and regular flowers; 
flowers with 2 sepals, 5 petals, open only in the sunshine; 
stamens opposite to the petals when of the same number, often more; 
pistils several, with their ovaries united, free, or half-free, forming in 
Jruit a pyxis (§ 178) or a capsule. 
Analysis of the Genera. 
{ Sepals five. Petals none. Fruitapyxis. Stamenso. Sea Purselane. Szsv’viom. 
7 Sepals 2. Petals 5....a 
a Stamens 5, opposite the petals. : Spring Beauty. Cuayto’nt. 1 
a Stamens 8-80, on the torus. Pod 3-valved. Tai’ NUM. 
a Stamens 8-80, on the calyx. Pyxis opening by a lid. Portuta’oa, 2 
