158 
Spring Flora of Oklahoma 
nial. Peduncles and upper branches mixed with long, white, flat, 
jointed hairs. Leaf blade not over 2' long, round-ovate, somewhat 
repand-dentate, or nearly entire. Corolla greenish-yellow, with 
brown center, 6"-10" in diameter. Fruiting calyx round-ovoid, some¬ 
what 10 angled. 
Hillsides. April-July. Oklahoma County. 
II. QUINCULA Raf. 
Perennial, low and diffuse, scurfy herb. Leaves from 
sinuate to pinnatifid, somewhat fleshy. Peduncles common¬ 
ly in pairs from the axils of the leaves. Flowers perfect, 
regular, erect. Calyx campanulate, accrescent and becom¬ 
ing bladder-like in fruit, 5-angled, reticulate, with five con¬ 
verging lobes. Corolla flat, rotate, pentagonal in outline, 
violet or purple. Seeds comparatively few, flattened, kid¬ 
ney-shaped, rugose-tuberculate. 
1. Quincula lobata (Torr.) Raf. Purple-flowered Ground- 
Cherry. Perennial, spreading or prostrate, more or less scurfy- 
puberulent. Stem obtusely angled and striate. Leaves oblanceolate 
or spatuolate to oblong, sinuately-toothed, or pinnatifid, with round¬ 
ed lobes. Corolla purplish, 10"-15" in diameter. Anthers yellow, 
tinged with purple. Fruiting calyx about as wide as long, sharply 
5-angled, sunken at the base. 
On high plains. May-September. Frequent. 
III. CHAMiESARACHA A. Gray. 
Scurfy, perennial herbs. Leaves alternate, entire, or 
pinnatifid, with winged petioles. Peduncles solitary, or 2 
or 3 in the axils of the leaves. Calyx campanulate, 5-lobed, 
only accrescent, not becoming bladder-like in fruit, close- 
fitting to the berry. Corolla rotate, white or cream-colored, 
often tinged with purple, plicate. Stamens 5, inserted near 
the base of the corolla. Seeds reniform, flattened, rugose- 
favose or punctate. 
Pubescence dense, puberulent and hirsute. 
1. C. conioides. 
Pubescence sparse, puberulent, or stellate, hirsute (if 
at all) only on the calyx. 2. C. Coronopus. 
1. Chainaesaraclia conioides (Moricand) Britton. Hairy Cham- 
