MALVACEAE. 121 



Leaf-blades merely toothed : shrub or small tree. 1. H . Roaa-Sincnsis. 



Leaf-blades parted : large herbs. 



Bractlets flat : calyx-lobes bristle-margined or spiny : leaf- 

 blades palmately parted. 2. H. cqnnabinus. 

 Bractlets nearly terete : calyx-lobes finely pubescent within : 



leaf-blades pedately parted. 3. H. Sabdarifta. 



1. H. Bosa-Sinensis L. Shrub or small tree, 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 

 lanceolate, more pubescent within than without: petals rose-red, or rarely of 

 other colors: capsules 2-2.5 cm. long. Pinelands and waste places. Nat. of 

 China, and cultivated. F. K. (Cuba, Ant.) CHINESE-ROSE. SHOEBLACK 

 PLANT. 



2. H. cannabinus L. Plants 3-22 dm. tall, sparingly pubescent: leaf-blades 

 palmately 3-7-parted, the divisions linear to elliptic or oblong, unevenly 

 toothed: bractlets narrowly linear, flat, bristle-margined or spiny: calyx-lobes 

 lanceolate, long-acuminate, rather thin, bristle-margined or spiny: petals white 

 or pink, sometimes darker-colored, and purple at the base: capsules 1.5-2 cm. 

 long. Pinelands and hammocks. Nat. of the Old World Tropics. F. K. 

 (Cuba, Ant.) AMBAREE. BROWN INDIAN-HEMP. 



3. H. Sabdariffa L. Plants 6-26 dm. tall, glabrous or nearly so: leaf -blades 

 digitately 3-5-parted, the divisions crenate-serrate, the teeth shallow: bractleta 

 linear to linear-lanceolate, very thick, sparingly pubescent, juicy: calyx-lobes 

 lanceolate, like the bractlets dark-red, very thick, copiously fine-pubescent 

 within: capsules 1.5-2 cm. long, pubescent. Pinelands and waste places. Nat. 

 of the Old World Tropics, and cultivated. (Ant.) JAMAICA-SORREL. 



ROSELLE. 



8. PAEJTIUM 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. Shrub or small tree, 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. 

 [Hibiscus tiliaceus L.] Coastal hammocks. Nat. of the Old Word Tropics. 

 F. K. (Ber., Bah., Cuba, Ant.) MAHOE. 



9. KOSTELETZKYA Presl. Herbs or partially woody plants. Leaf- 

 blades angulate-lobed, hastate, or sagittate. Involucel of 7-10 bractlets, or 

 obsolete. Sepals 5, partially united. Petals 5. Carpels forming a depressed 

 capsule. 



Calyx canescent : leaf-blades scabro-pubescent. 1. K. virginica. 



Calyx hirsute as well as canescent : leaf-blades velvety. 2. K. althaeifolia. 



1. K. virginica (L.) A. Gray. Foliage pubescent with stellate hairs but not 

 velvety, often scabrous: leaf-blades 3-15 cm. long, ovate to ovate-hastate, 

 serrate- dentate, the lateral lobes triangular, acute: panicles leafy: calyx-lobes 

 lanceolate or oblong-lanceolate, acute or acuminate: petals pink or purple, 2-4 

 cm. long: capsules about 10 mm. broad. Everglades. 



2. K. althaeifolia (Chapm.) A. Gray. Foliage mainly velvety pubescent: 

 leaf-blades ovate to ovate-lanceolate or nearly lanceolate, 5-15 cm. long, 

 acuminate, irregularly dentate, the lower ones angularly 3-lobed, cordate, the 

 upper ones truncate or subcordate at the base: calyx-lobes lanceolate, acumi- 

 nate: petals pink, about 4 cm. long: capsules 12-15 mm. broad. Everglades 

 and low hammocks. F. K. (Ber.) 



10. THESPESIA Soland. Shrubs or trees, resembling species of Hibiscus. 

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



