28 MALACEAE. 



acute at both ends or obtuse at the apex, short-petiolulate ; flowers usually 

 solitary: hypanthium globose or a little depressed, glandular-hispid, in fruit 

 about 10 mm. broad: sepals tomentose within, all, or at least the outer ones, 

 with linear or subulate lobes: petals rose-colored, 2-2.5 cm. long. LOW-ROSE. 

 Dry woods and hillsides, n. Fla. (Cant.) 



8. B. serrulata Eaf. Stems slender, terete, glabrous, 3-10 dm. high, bristly, 

 especially the young shoots, armed with slender straight infrastipular prickles: 

 leaflets usually 5, rarely 3 or 7; blades lance-elliptic or rarely oval, light-green, 

 glabrous or nearly so and somewhat shining above, often paler, glabrous or 

 slightly pubescent on the veins and sometimes glandular beneath, sharply 

 serrate with gland-tipped teeth: flowers solitary: hypanthium globose or 

 slightly depressed, glandular-hispid, in fruit 10-15 mm. broad: sepals tomen- 

 tose within, some of them usually with lanceolate or subulate appendages: 

 petals rose-colored, 1.5-2.5 cm. long. 

 Thickets, n. Fla. (Cont.) 



FAMILY 5. CALYCANTHACEAE. STRAWBERRY-SHRUB FAMILY. 



Shrubs or trees, with an aromatic bark. Leaves opposite: blades 

 usually entire: stipules wanting. Flowers perfect, terminal. Calyx and 

 corolla of several sepals and petals each, borne on the edge of the hypan- 

 thium. Androecium of many stamens, those of the inner series reduced 

 to staminodia. Gynoecium of numerous distinct carpels borne on the inside 

 of the hypanthium. Fruit consisting of several achenes enclosed in the 

 capsule-like hypanthium. 



1. CALYCANTHUS Duham. Shrubs with opposite branches. Flowers 

 often strawberry scented, the perianth, wholly or mainly, dull purple. Mature 

 hypanthium nodding. CAROLINA- ALLSPICE. 



1. C. floridus (L.) Kearney. Shrub 0.5-3 m. tall: leaf -blades 4-14 cm. long, 

 entire: sepals and petals mostly linear or nearly so, 1.5-2 cm. long: mature 

 hypanthium finely tomentose. SHRUB. STRAWBERRY-SHRUB. SWEET-SHRUB. 

 Hillsides and along streams, n. Fla. (Cont.) Spr. 



FAMILY 6. MALACEAE. APPLE FAMILY. 



Trees or shrubs. Leaves alternate : blades simple and pinnately veined, 

 or pinnately compound. Flowers perfect, regular. Hypanthium adnate 

 to the ovary. Calyx of mostly 5 sepals. Corolla of mostly 5 petals. 

 Androecium of numerous, or rarely few, stamens. Gynoecium of 2-5 

 wholly or partially united carpels, or rarely of 1 carpel. Fruit a more or 

 less fleshy pome, being the thickened hypanthium enclosing the carpels. 



Carpels papery or leathery at maturity. 



Cavities of the ovary (carpels) as many as the styles. 1. ABOXIA. 



Cavities of the ovary becoming twice as many as the styles. 2. AMELANCHIER. 



Carpels bony at maturity. 3. CKATAEGUS. 



1. ARONIA Pers. Leaf-blades simple, shallowly toothed. Cymes com- 

 pound. Pomes berry-like, globular to pyriform. Spr. CHOKEBERRY. 



Cymes and lower surfaces of the leaf-blades woolly : fruit red or purple-black. 



Fruit broadly pyriform, bright-red. 1. A. arbtitifolia. 



Fruit oval or globose, purple-black. 2. A. atropurpuren. 



Cymes and surfaces of the leaf-blades glabrous : fruit black or 



purplish. 3. A. mebmooarpa. 



1. A. arbutifolia (L.) Ell. Shrub sometimes reaching a height of 3.5 m.: 

 leaf -blades oval, oblong or obovate, obtuse or abruptly short-pointed at the 



