70 MALVACEAE. 



2. T. pubescens Ait. Tree becoming 14 m. tall: leaf -blades broadly ovate to 

 oblong-ovate, 8-17 cm. long, copiously brown- or rusty-pubescent beneath : bracts 

 oblong to oblong-spatulate, decurrent to the base of the peduncle, copiously 

 pubescent beneath: sepals 3.5-4.5 mm. long: petals 6-7.5 mm. long: berries 

 globular. 



The Rusty-linden grows in hammocks near the coast in northern Florida, and 

 in the northern portion of the peninsula. (Cont.) 



Family 2. MALVACEAE. Mallow Family. 



Herbs, shrubs, or "trees. Leaves alternate : blades simple, palmately 

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

 Corolla of 5 convolute petals. Androecium of numerous monadelphous 

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

 times baccate. 



styles distinct : seeds reniform. 



" Bractlets of the involucel distinct. 1. Hibiscus. 



Bractlets of the involucel united into a lobed cup. 2. Paeitium. 

 Styles united : seeds not reniform. 



Bractlets of the involucel entire : seeds short-hairy. 3. Thespesia. 



Bractlets of the involucel laciniate : seeds long-hairy. 4. Gossypilm. 



1. HIBISCUS L. Herbs, shrubs, or trees. Leaf-blades entire, lobed, or 



parted. Involucel of several, rarely 3, distinct bractlets. Sepals 5, more or 



less united. Petals 5, white, colored or variegated. Carpels forming a 5- 



valved capsule. 



Corolla mainly red or salmon : calyx-lobes lanceolate or triangular-lanceolate. 



1. H. Rosa-Sinensis. 

 Corolla mainly pink or white : calyx-lobes triangular-ovate. 2. H. syriacus. 



1. H. Rosa-Sinensis L. Small tree or shrub, usually sparingly pubescent: leaf- 

 blades ovate to ovate-lanceolate, rounded or abruptly narrowed at the base, 

 coarsely and unequally toothed: bractlets narrowly linear: calyx-lobes lanceo- 

 late, m'ore pubescent within than without: petals rose-red, or rarely of other 

 colors: capsules 2-2.5 cm. long. — All year. 



The Shoe-black plant or Chinese Rose, a native of China, grows in fields 

 and waste places and on roadsides in peninsular Florida. The wood has not been 

 studied. (IF. 7.) 



2. H. syriacus L. Small tree or shrub, minutely pubescent when young :_ leaf - 

 blades 3-lobed, coarsely erenate, 3-12 cm. long: bractlets linear or linear- 

 spatulate, 10-20 mm. long: calyx-lobes triangular-ovate: petals deep-pink, or 

 white with crimson blotches at the base: capsules oblong-ovoid, 2-2.5 cm. long. 

 — Sum. & fall. 



The Shrubby althaea, a native of western Asia, grows in fields and on road- 

 sides in northern Florida and the northern part of the peninsula. The wood has 

 not been studied. Also known as Rose-of-Sharon. {Cent.) 



2. PAEITIUM St. Hil. Shrubs or trees, resembling Hibiscus in habit, 

 but with the bractlets of the involucel united into a lobed cup. 



1. P. tiliaceum (L.) Juss. Small tree or shrub, the young parts velvety- 

 tomentose: leaf -blades suborbicular to ovate, 1-2 dm. long, shallowly toothed, 

 prominently veined beneath: calyx-lobes lanceolate or triangular-lanceolate: 

 petals yellow, 5-6 cm. long: capsule 2.5-3.5 cm. long, abruptly pointed. — 

 Spr. & sum. 



The Mahoe. probably a native of the Old World tropics, grows on the shores 

 of the Everglade Kevs and the Florida Keys. The wood has not been studied. 

 iW. I.) 



3. THESPESIA Solaud. Shrubs or trees, resembling species of Hibiscus. 

 Leaf-blades entire or angulate-lobed. luvolueel of 3-5 narrow deciduous 



