PORTULACACEAE 415 
slender: sepals 2, ovate-orbicular, about 5 mm. long, cuspidate: corolla pink, 2-3 cm. 
broad : stamens 30 or more: capsule subglobose, 6-7 mm. long. 
In sandy soil, Arkansas to the Indian Territory, New Mexico, Texas and Mexico. Summer. 
6. Talinum refléxum Cav. Foliage glabrous. Stems erect, 2-9 dm. tall, stout 
below, wire-like above, where they are branched: leaf-blades flat, spatulate to elliptic, 
3-10 em. long, short-acuminate, undulate, short-petioled : peduncles filiform, diverging : 
sepals ovate or oval, 2-2.5 mm. long, concave : corolla rose to yellow, 6-8 mm. broad : petals 
5, oblong to cuneate-oblong : stamens often 12-15: capsule subglobose, 5 mm. in diameter : 
seeds about 1 mm. long, minutely tuberculate. [Talinum patens Willd. ] 
On dry hillsides, Florida and Texas to New Mexico and Mexico. Spring to fall.—The form that 
produces preeumbent branches, is T. reflexum sarmentósum ( Engelm.) Small [7. sarmentosum Engelm.]. 
2. CLAYTONIA L. 
Annual or perennial fleshy herbs, sometimes with tuber-like corms and generally gla- 
brous foliage. Stems more or less tufted, commonly simple. Leaves basal and cauline, 
alternate or opposite, various, without stipules. Flowers in terminal racemes or cymes. 
Sepals 2, herbaceous, persistent, distinct. Petals 5. Stamens 5, opposite the petals and 
adnate to their bases: filaments slender. Ovary free: styles 3, mostly united: stigmas 
minute. Ovules few in a cavity. Capsule 1-celled, becoming membranous, 3-valved, often 
3-angled. Seeds few, flattened, reniform. SPRING BEAUTY. 
Leaves of an elliptie or oblong type, mostly less than 7 em. long. 1. C. Caroliniana. 
Leaves of a linear type, mostly over 7 em. long. 2. C. Virginica. 
1. Claytonia Caroliniàna Michx. Corm subglobose. Stems tufted, 0.5-2 dm. long, 
erect or spreading, simple: leaf-blades ovate to narrowly oblong, 2.5-7 cm. long, obtuse 
or acutish, narrowed at the base into petioles: racemes 2-10 cm. long: pedicels 1-4 em. 
long, inclined to one side: sepals ovate or oval to suborbicular, 6-9 mm. long, obtuse : 
petals oblong, white to pink, 10-12 mm. long, obtuse, delicately veined : capsule oval, 
3-4 mm. long, 3-angled : seeds lenticular, about 2 mm. broad, black, smooth, shining. 
In woods, chiefly on the mountains, Nova Scotia to the Northwest Territory, North Carolina, Ten- 
nessee and Missouri, Spring and early summer. 
2. Claytonia Virginica L. Corm globose or irregular. Stems more or less tufted, 
erect or spreading, 0.5-2.5 dm. long, simple: leaf-blades linear or nearly so, 7-12 em. 
long, acute or acutish : racemes 0.5-1.5 dm. long, loosely flowered : pedicels 1-3 em. long, 
inclined to one side: sepals ovate, leathery, 5-7 mm. long: petals oblong, 8-10 mm. long, 
usually notched at the apex, white or pink, delicately veined : capsule globose-obovoid, 3 
mm. high, slightly 3-angled: seeds lenticular, 2 mm. broad, smooth, shining. 
In woods, Nova Scotia to the Northwest Territory, Georgia and Texas. Spring. 
3. PORTULACA L. 
Annual or perennial fleshy herbs, with simple or diffusely branched stems. Leaves 
alternate or nearly opposite, flat to terete, furnished with scarious or bristle-like stipules. 
Flowers perfect, of various colors, sometimes subtended by an involucre. Sepals 2, decid- 
uous. Petals 4-6, usually 5, fugacious. Stamens 8-many, inserted with the petals: fila- 
ments slender. Ovary partly or wholly inferior: styles 3-8, slender. Ovules numerous. 
Capsule 1-celled, membranous, opening by a cap. Seeds more or less flattened, reniform or 
cochleate, with a smooth or minutely tuberculate testa. 
Leaf-blades terere or nearly so. more or less hairy in the axils. 
Annual or usually so: lid of capsule ovoid or hemispheric. 
Corolla over 2 em. broad. 1. P. grandiflora. 
Corolla less than 1.5 cm. broad. 2. P. pilosa. 
Perennial or usually so: lid of capsule depressed. 3. P. halimoides. 
af blades flat, glabrous in the axils or nearly so. 
etals acute: capsule with a crown-like border near the mouth. 
Upper leaf-blades broadest below the middle. 4. P. coronata, 
P per leaf-blades broadest above the middle. 5. P. lanceolata. 
etals notehed : capsule without a crown-like border. 
Stems or branches prostrate: sepals acute : styles 5-7: seeds granulate. 6. P. oleracea. 
Stems or branches ascending: sepals obtuse : styles 3-4: seeds tuberculate. 7. P. retusa. 
l. Portulaca grandiflóra Hook. Annual, bright green. Stems often branched at 
the base, the branches ascending or decumbent, 0.5-3 dm. long, more or less villous-pilose 
especially near the nodes: leaves somewhat clustered ; blades terete, 1-2.5 em. long, blunt, 
with stout petioles about 1 mm. long: flowers usually solitary : sepals 2, ovate, 10-15 mm. 
long, acute or slightly acuminate, one at least horned back of the apex: corolla pink, 
