27 
Orpver XXII. MALVACEZ. 
Flowers bisexual, regular, mostly conspicuous. Calyx 5-fid, 
with valvate estivation, mostly involucelled at base. Petals 
5, strongly twisted in bud, withering and persistent, attached to 
the base of the staminal column. "Stamens many, united in a 
tube, concealing the ovary and styles; anthers reniform, 1-celled. 
Carpels 3-5 or many, free or combined in a several-celled 
ovary. Fruit dry or fleshy. Seeds with a curved embryo, 
plaited cotyledons, and little or no albumen.—Leaves alter- 
nate, simple, palmately nerved, often lobed, stipuled. 
Tribe 1. Matvex. Staminal column bearing anthers at or to the very 
summit. Carpels separable at maturity. Stigmas as many as the carpels. 
(Gen. 1-6.) 
Styles filiform, stigmatose along the upper side; calyx 
furnished with an involucel. 
Inyolucel of 6-9 bracteoles . . . . . .. 1. ALTHMA. 
Involucel of 3 bracteoles . 2. Matya. 
Styles capitellate, the stigmatic tissue confined to the 
apex. 
Calyx with an involucel. 
Ovules solitary. Involucel 3-bracted . 3. MatvastRruM. 
Ovules 2-3 in each carpel. Involucel 3- leaved or 
3-fid. . 4 4. SPHHRALCEA. 
Calyx nude at base. 
Ovules solitary 4 5. SIDA. 
Ovules 3 or more in each carpel 6. ABUTILON. 
Tribe 2. URENE®. Staminal column bearing anthers on its outer surface, 
the apex with none, protruding, truncate or 5-toothed. Carpels separable 
at maturity. Stigmas twice as many as the carpels (10), capitellate at the 
summit. (Gen. 7.) 
Imvolteclipb=20-leaved/s) .6 oe ee en. Fe Ravonra: 
Tribe 3. Hrpiscem. Staminal column bearing anthers on its outer sur- 
face, the apex nude, protruding, truncate or 5-toothed. Carpels united into 
a several-celled capsule. Stigmas as many as the carpels (3-5), capitate. 
(Gen. 8-10.) 
Ovary 3-celled; styles 3; bracteoles 3 or many. . . 8. Fuqosta. 
Ovary 5-celled. 
Involucral bracteoles 5 or many, separate . . . . 9. Hipiscvus. 
Involucral bracteoles united in a toothed cup. . . 10. Paririum. 
Tripe 1. Matvem. (Gen. 1-6.) 
1. ALTHASA, Linn. 
Involucel of 6-9 bracteoles, united at base. Staminal co- 
lumn antheriferous at the summit. Ovary of many carpels ; 
ovules solitary; styles as many as the carpels, stigmatose 
