90 MALVACEAE. 



2. TRIUMFETTA [Plum.] L. Herbs or shrubs. Leaf -blades mostly 

 toothed and lobed. Sepals 5, often appendaged at the tip. Petals 5, each with 

 a pit at the base, often shorter than the sepals, or rarely wanting. Anther- 

 sacs contiguous. Ovary globular. Ovules few. Capsules few-seeded. 



1. T. semitriloba Jacq. Plants stellate-tomentose, 1-2 m. tall: leaf -blades 

 ovate, rhombic, or suborbicular, serrate, angulate or 3-lobed, 3-8 cm. long: 

 sepals linear, 5-6 mm. long, or longer: petals cuneate-spatulate or linear- 

 spatulate: capsule-bodies 4-5 mm. in diameter, prickle-armed. — Pinelands and 

 hammocks and cultivated grounds, L. keys. Nat. of S. Am. — [E. K.] — {Ber., 

 Bah., Cuba, Ant.) — Burweed. 



Family 2. MALVACEAE. ]\Iallow Family. 



Herbs, shrubs, or trees. Leaves alternate: blades simple, pinuately 

 veined. Flowers perfect. Calyx of 5, more or less united valvate sepals. 

 Corolla of 5, convolute petals. Androecium of numerous monodelphous 

 stamens. Gynoeeium of several united carpels. Fruit capsular or some- 

 times baccate. 



Fruit of several radially disposed carpels, which separate from each other at maturity. 

 Carpels as many as there are stigmas. 

 Carpels 2-several-seeded. 



Carpels leathery or parchment-like, never bladdery. 1. Abltilo>'. 

 Carpels membranous, bladder-like. '1. Gayoides. 



Carpels 1-seeded. 



Involiicel of 2-3 bractlets. 3. MalvasteuM. 



Involucel wanting. 4. Sida. 



Carpels !£. as many as there are stigmas. 5. Malache. 



Fruit a loculicidal capsule, or rarely indehiscent. 



Styles distinct, spreading : seeds usually reniform. 



Capsules as long as broad or much longer, the cavities 

 2-many-seeded. 

 Bractlets of the involucel distinct. 6. Hibiscus. 



Bractlets of the involucel united into a lobed cup. 7. Paeitium. 



Capsules much depressed, the cavities 1-seeded. 8. Kostelbtzkta. 



Styles united : seed not reniform. 



" Bractlets of the involucels entire, rather inconspicuous. 



Sepals wholly united or nearly so : capsule indehiscent. 0. Thespesia. 

 Sepals merely imited at the base: capsule loculicidal. iO. Cibnfuegosia. 

 Bractlets of the involucels laciniate, conspicuous. 11. Gossypium. 



y'f 1. ABUTILON [Tourn.] Mill. Herbs, shrubs, or rarely trees. Leaf- 

 blades entire, toothed, or lobed. Involucel wanting. Sepals 5, united below. 

 Petals 5, often yellow. Carpels 5-30, beaked at maturity. 



y/it 1. A. permolle (Willd.) Sweet. Stems 5-16 dm. tall, velvety-tomentose : leaf- 

 blades ovate, 2.5-10 cm. long: petals yellow, 10-15 mm. long: carpels 11-12 

 mm. long. — Coastal hammocks and cultivated grounds, U, keys, L. keys. — 

 fE. K.] — {Bah., Cuba, Ant.) — Indian-mallow. 



t"^ 2. GAYOIDES Small. Herbs, sometimes vine-like. Leaf -blades com- 

 monly toothed. Involucel wanting. Sepals 5, united below. Petals 5, usually 

 yellow. Carpels numerous, beakless at maturity. 



Sy'- 1. G. crispum (L.) Small. Stem and branches 3-9 dm. long: leaf-blades ovate, 

 1-5 cm. long, mostly acute or rather obtuse: calyx-lobes rather abruptly 

 pointed: mature carpels angled at the summit. — Pinelands, waste places and 

 cultivated grounds, IJ. keys, L. keys. — [E. K.] — (Bah., Cuba, A7it.) 



iV'' 3. MALVASTKXJM A. Gray. Herbs or partially woody plants. Leaf- 

 blades entire, lobed, or parted. Involucel of distinct bractlets, or wanting. 



