MALVACEAE. 119 



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

 hammocks. Nat. of S. Am. F. K. (Ber., Bah., Cuba, Ant.) 



FAMILY 2. MALVACEAE. MALLOW FAMILY. 



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

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

 Corolla of 5, convolute petals. Androecium of numerous monodelphous 

 stamens. Gynoecium 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. ABUTILOX. 

 Carpels membranous, bladder-like. 2. GAYOIDES. 



Carpels 1-seeded. 



Involucel of 2-3 bractlets. 3. MALVASTBUM. 



Involucel wanting. 4. SIDA. 



Carpels % as many as there are stigmas. 



Involucel of 5 partially united bractlets : carpels spiny 



all over. 5. UBEXA. 



Involucel of 5-15 distinct bractlets : carpels unarmed or 



with 1-3 spines on the back. 6. 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. 7. HIBISCUS. 



Bractlets of the involucel united into a lobed cup. 8. PAKITIUM. 



Capsules much depressed, the cavities 1-seeded. 9. KOSTELETZKYA. 



Styles united : seed not reniform : fruit indehiscent. 10. THESPESIA. 



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. 



1. A. pennolle (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. F. K. (Bah., Cuba, Ant.) INDIAN-MALLOW. 



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. 



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. F. K. (Bah , 

 Cuba, Ant.) 



3. MALVASTRUM A. Gray. Herbs or partially woody plants. Leaf- 

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

 Sepals 5, partially united. Petals 5, variously colored. Carpels 5 or more, 

 1-celled, beaked or beakless. FALSE-MALLOW. 



Mature carpels beakless, sometimes with a mere protuberance behind the apex. 



1. M. corchorifoHum. 

 Mature carpels with a subulate beak behind the apex. 2. M. coromandeUanum. 



1. M. corchorifolium (Desr.) Brit ton. Stems 3-9 dm. tall: leaf -blades ovate 

 to oblong-lanceolate, 2-6 cm. long, coarsely serrate: calyx-lobes triangular- 

 ovate, acuminate: petals orange-yellow: carpels hispidulous. [M. Eugelii S. 

 Wats.] Hammocks. F. K. (Bah., Cuba, Ant.) 



