418 " MALVACEAE. [Vor. II. 
3. CALLIRRHOE Nutt. Journ. Acad. Phil. 2: 181. 1821. 
[NurraLL1a Barton, Fl. N. A. 2:74. pl. 62.  1822.] 
Herbs, with lobed or divided leaves, and showy axillary or terminal perfect flowers. 
Bractlets of the involucel 1-3, separate, or none. Calyx deeply 5-parted. Petals cuneate, 
truncate, often toothed or fimbriate. Stamen-columnanther-bearing at the summit. Cavities 
of the ovary ©, 1-ovuled; style-branches of the same number as the cells of the ovary, stig- 
matic along the inner side. Carpels (10-20), arranged in a circle, 1-seeded, indehiscent 
or 2-valved, beaked at the apex, the beak separated from the cavity by aseptum. Seed as- 
cending. [A Greek mythological name. ] 
A genus of about 7 species, natives of the central and southern United States and northern 
Mexico. 
Bractlets of the involucels none. 
Flowers 1’ broad; carpels very pubescent. 1. C. alceoides. 
Flowers 1%'-2' broad; carpels scarcely pubescent. 2. C. digttata. 
Bractlets of the involucels 3. 
Leaves triangular, crenate; carpels not rugose. 3. C. triangulata. 
Leaves orbicular, palmatifid; carpels rugose. 4. C. involucrata. 
1. Callirrhoé alceoides (Michx.) A. Gray. Light Poppy-Mallow. 
(Fig. 2420.) 
Sida alceoides Michx. F1. Bor. Am. 2: 44. 1803. 
Callirrhoé alceoides A. Gray, Mem. Am. Acad. (II.) 4: 
18. 1848. 
Perennial, erect, 8/-20’ high, slender, strigose- 
pubescent, branched at the base from a thick woody 
root. Basal leaves triangular, palmately lobed or 
incised, 2-314’ long, slender-petioled; stem-leaves 
palmatifid, the divisions linear or cuneate, acute or 
obtuse; flowers corymbose or racemose at the sum- 
mit, pink or white, about 1’ broad; pedicels 1/—2’ 
long, slender; involucel none; calyx-lobes triangu- 
lar, acuminate; petals dentate and somewhat fim- 
briate; carpels strigose-pubescent and conspicuously 
rugose-reticulate on the back. 
In dry soil, Kentucky to Nebraska, Kansas and 
Texas. May-Aug. 
2. Callirrhoé digitata Nutt. 
Fringed Poppy-Mallow. 
(Fig. 2421.) 
Callirrhoé digitata Nutt. Journ. Acad. Phila. 
2:181. 182t. 
Nuttallia digitata Bart. Flora N. A. 2: 74. 
pl. 62. 1822. 
Similar to the preceding species. Divi- 
sions of the stem-leaves longer, narrowly 
linear, sometimes quite entire and 4/—5/ 
long, sometimes deeply incised; basal 
leaves sometimes cordate-triangular, cre- 
nate, lobed or divided; involucre none; 
flowers long-peduncled, 1 %4’—2/ broad, red- 
dish-purple or lighter; petals beautifully 
fimbriate; calyx-lobes triangular to lan- 
ceolate, acuminate; carpels strongly ru- 
gose-reticulate, scarcely pubescent. 
In dry soil, Kansas to Texas. April-July. 
