54 MALVACEX. (MALLOW FAMILY.) 
Florida, and westward. May September. — Stems 1° high. Flowers purple, 
2' wide, on peduncles which are sometimes 1° long. 
3. C. alezeoides, Gray. Strigose-pubescent ; stems slender (19 high); 
lower leaves triangular-cordate, incised ; the upper 5- 7-parted, laciniate, the 
uppermost divided into linear segments ; flowers corymbose, on slender pedun- 
cles (rose-color or white) ; involucel none ; carpels obtusely beaked, crested and 
strongly wrinkled on the back. (Sida alezoides, Michx.) — Barren oak lands, 
"Tennessee. 
3. MALVASTRUM, Gray. 
Involucel’1-3-leaved or none. Styles 5-20. Stigmas capitate. Carpels 
beaked or beakless, l-seeded. Seed ascending. Embryo curved or annular. 
Radicle inferior. — Herbs or shrubby plants, rough with rigid hairs. Flowers 
yellow. 
1. M. tricuspidatum, Gray. Perennial or shrubby; stem branching ; 
leaves ovate or oblong-ovate, serrate, acute, petioled ; stipules lanceolate ; flow- 
ers in leafy spiked racemes ; petals obliquely truncated ; carpels 10— 12, more or 
less distinctly 3-toothed or awned at the apex. — South Florida. — Stems 1° high. 
Involucel 3-leaved. 
2. M. angustum, Gray. Annual; stem erect, branching ; leaves lanceo- 
late, sparingly serrate, short-petioled; stipules bristle-like ; flowers axillary, 
mostly solitary ; involucel setaceous, 2 —3-leaved; carpels 5, circular, awnless, 
at length 2-valved. (Sida hispida, Pursh.? Ell?) — South Carolina and west- 
ward. — Stems 6/-12/ high. Calyx enlarged in fruit. 
" 4. SIDA, L. 
' Involucel none. Calyx angular. | Styles 5-15.  Btigmas capitate. Ovaries 
1-celled. Carpels erect, mostly 2-valved and 2-beaked at the apex, separating 
at maturity from each other, and from the central axis, Seed resupinate, sus- 
pended, 3-angled. Embryo curved. Radicle superior. — Branching herbs or 
shrubs, with chiefly undivided leaves, and small yellow or reddish flowers in 
* Leaves, at least the lower ones, cordate: curpels 5. 
1. S. spinosa, L. Annual, minutely pubescent; branches erect; leaves 
oblong-ovate, acute, serrate, the slender petioles often with a tubercular spine at 
the base, the lower ones cordate ; stipules setaceous, half as long as the petioles ; 
flowers single or clustered, on short erect peduncles ; carpels faintly reticulated, 
each pointed with two erect subulate spines. — Waste places, Florida and north- 
ward. July-September. — Stems 19-2? high. Flowers }! wide, yellow. 
2. S. supina, L'Her. Perennial, tomentose; stems divided at the base 
into slender simple ascending or prostrate branches; leaves all round-cordate, 
crenate, rounded at the apex, hoary beneath ; the slender petioles spineless at 
the base; stipules minute, subulate, deciduous ; flowers solitary; the peduncles — 
half as long as the petioles and reflexed in fruit; carpels downy, reticulated, — — 
almost beakless opening irregularly near the membranaceous bass. ta, 
one. . S. procumbens, Swartz.) — § 
