ORDER LX. IIAMA^IKLACE^. 327 



2. H. CORDATA, (Pursh.) Resembling the preceding species. Leaves 

 broad-ovate, slightly cordate at the base, acuminate, coarsely toothed, 

 glabrous underneath. Flowers generally in radiate cjuils. — Wliite. 

 ^2 . May — June. Mountains. 6 — 8 feet. 



3. H. niv'ea, (Mich.) Leaves ovate, cordate, acuminate, serrate, pu- 

 bescent along the veins on the upper surface, silvery, tomentose be- 

 neath. Flowers in terminal, radiate cymes, with few sterile florets in 

 the circumference ; by cultivation all become sterile. — White. ^ , 

 May — June. Upper Car. and Middle and Upper Geo. 6 — 8 feet. 



4. H. quercifo'lia, (Bar.) A showy shrub. Leaves deeply 3 — 5- 

 lobed, serrate, tomentose beneath. Flowers in paniculate, radiate 

 cymes ; sterile flowers large, numerous. — White, becoming purple. ^ . 

 May — June. Middle Geo. Common on the banks of the Ocmulgee and 

 Flint rivers. 



Genus IX.— DECUMA'RIA. L. 11— 1. 



(From decuma, a tenth, in reference to the tenfold structure of some of the flower.'*.) 



Calyx 8 — 12-cleft; tube campanulate, adhering to the ovary. 

 Petals 8 — 12, narrow, oblong, with margins somewhat indupli- 

 cate. Stamens tliree times the number of the petals. Cap- 

 sule 5 — 10-celled, ribbed, opening between the ribs; placentae 

 central. Seeds numerous. A shrub, with opposite leaves. 

 Flowers in compound cymes, fragrant. 



1. D. bar'bara, (L.) Stem climbing, by rootlets, large trees. Leaves 

 broadly ovate, slightly serrate, acute at each end or obtuse at the base. 

 Flowers in corymbose panicles. — White. ^ . July. In Middle Geo. 

 ?-0— 40 feet. 



Genus X.— PHILADEL'PHUS. L. 11—1. 



(The Greek name of a plant, given by Aristotle.) 



Calyx 4 — 5-parted, persistent; tube adhering to the ovary. 

 Petals 4 — 5, broadly obovate. Stamens numerous. Styles 4, 

 more or less united. Capsule 4 — 5-celled, with a loculicidal 

 dehiscence. Seeds numerous. Shrubs, with opposite leaves. 



1. P. ino'dorus, (L.) Stem glabrous. Leaves ovate, acuminate, 3- 

 nerved, nearly entire. Flowers at the extremity of the branches, 1—3 ; 

 segments of the calyx acute. Petals large. — White. ^ . May. Mid- 

 dle Geo., near CuUoden. 5 — 7 feet. Syrinya. 



2. P. grandiflo'rus, (Willd.) A shrub, with long, flexible branches, 

 slightly angled. Leaves ovate, acuminate, denticulate, 3-nerved. Flow- 

 ers at the extremity of tlie branches, 1 — 3, large ; segments of the 

 calyx ovate, lanceolate, acuminate. Petals large, twice as long as the 

 stamens. — White. ^. April — May. Middle Geo. Common. 6 — 10 

 feet. • 



Order LX.~ IIAMAMELA'CE^. 



Calyx 4 — 5-cleft, or with 5 — 7 obscure teeth, or truncate ; 

 the tube somewhat adhering to the ovary. Petals 4 — 5, lin- 

 ear, spiral at the apex, sometimes none. Stamens twice the 



