TILIACEAE. 261 



mostly cuneate-narrowed at the base, the lateral ones oblique; cymes compound, 

 glabrous; pedicels 2-6 mm. long; petals red, reflexed, ovate-lanceolate, acute; 

 berry subglobose, black, about 7 mm. in diameter, smooth. 



Kocky places, Andros, New Providence, Eleuthera, Grand Turk : Cuba. Re- 

 corded by Mrs. Northrop as Cissus sp. Bull-vim:. 



3. PARTHENOCISSUS Planch, in DC. Mon. Phan. 5=: 447. 1887. 



Woody vines, the tendrils often tipped with adhering expansions (disks), 

 or sometimes merely coiling, our species with digitately compound leaves. 

 Flowers perfect, or polygamo-monoecious, in compound cymes or panicles. 

 Petals 5, spreading. Stamens 5. Ovary 2-celled; ovules 2 in each cavity; 

 style short, thick. Berry 1-4-seeded, the flesh thin, not edible. About 10 

 species, natives of Eastern North America and Asia, the following typical. 



1. Parthenocissus quinquefolia (L.) Planch, in DC. Mon. Phan. 5 2 : 448. 1887. 



Hedera quinquefolia L. Sp. PI. 202. 1753. 

 Ampelopsis quinquefolia Michx. Fl. Bor. Am. 1: 160. 1803. 

 Parthenocissus quinquefolia latifolia Rehder, Trees and Shrubs 1: 184. 

 1905. 



Tendrils usually numerous, and provided with terminal adhering ex- 

 pansions, the vine sometimes supported also by aerial roots; leaflets oval, ellip- 

 tic, or oblong-lanceolate, 5-15 cm. long, narrowed at the base, coarsely toothed, 

 at least above the middle, glabrous or somewhat pubescent ; panicles ample, 

 erect or spreading in fruit; berries blue, 6-10 mm. in diameter, usually 2-3- 

 seeded; peduncles and pedicels red. 



Coppices and scrub-lands, Abaco, Great Bahama, Andros, New Providence, Great 

 Exuma : Quebec to Manitoba : Florida and Mexico ; Bermuda ; Cuba. Consists of 

 several races. Virginia Creeper. 



Order 16. MALVALES. 



Herbs, shrubs or trees, with simple, mostly alternate leaves. Flowers 

 regular, usually perfect. Sepals separate, or more or less united, valvate. 

 Petals separate, very rarely wanting - . Stamens usually numerous. Ovary 

 superior, compound, the placentae united in its axis. Disk inconspicuous 

 or none. 



Stamens twice as many as the sepals, or more. 



Stamens in several sets ; anthers 2-celled ; embryo straight. Fam. 1. Tiliaceae. 

 Stamens monadelphous ; anthers 1-celled : embryo curved. 

 Style branches as many or twice as many as the 



carpels or ovary-cavities. Fam. 2. Malvaceae. 



Style entire, or merely lobed. Fam. 3. Bombacaceab, 



Stamens as many as the sepals. Fam. 4. Stekccliaceae. 



Family 1. TILIACEAE Juss. 



Linden Family. 



Trees, shrubs or herbs, with alternate (rarely opposite) simple leaves, 

 mostly small and deciduous stipules, and solitary cymose or paniculate, 

 usuallv perfect flowers. Sepals .">. rarely '> or 4. valvate, deciduous. 

 Petals of the same number, or fewer, or none, mostly imbricated in the bud. 

 Stamens oo, mostly 5-10-adelphous. Ovary 1, sessile, 2-10-celled; ovules 



