152 COMBRETACE^. (COMBKETUM FAMILY.) 



aud white odorous flowers in toriniiKil linuted .-|)ikr.-i, apiicariiiy before the 

 leavis. 



1. F. alnifolia, I... — Swamps, Floriila to .Nnrth Carolina. Manli ami 

 Ajtril. — Siirnli :i -4'-' high. I.oaM'S siiiixiih, or tonientuse beneath, toothed, 

 at the siunniil. Cap.sule hairy. 



3. LIQUIDAMBAR, L. SwiMrr-Gi m. 



Flowers raoua-cious, in globular 4-bratte(l spiked heads. Calyx and corolla 

 uoue. Stamens very numerous. Styles U. Ovary 2-eelled, with nunierouH 

 ovules in oaeh cell. Cajtsules united iu a dose head, woody, 2-l)eaked, open- 

 ing between the beaks, 1 -2-seeded. — Seeds wing-angled. Trees. Heads of 

 sterile Howers sessile, erowded ; those of the fertile Howers on long nodding 

 peduncles. 



1. L. Styraciflua, L. Uranchcs with corky wings; leaves niumlish 

 with 5-7 acuminate serrate spreading lolies. — Swamps. March. — A large 

 tree. The exposed juice hardens into a fragrant gum. 



Okdek oi. KHIZOFHORACEyE. (:\r.\NGROVK Family.) 



Maritime trees or sliriibs, with oppositej entire, coriaceou.s leaves, 

 and deciduous stipules between the petioles. — Calyx united with the 

 ovary, 4 - 12-lobed, valvate or lid-like iu the bud. Petals as many as 

 the calyx lobes and alternate with them. Stamens twice or several 

 times as many as the petals, and inserted with them on the calyx. 

 Ovary 2-celled with the cells 2-ovuled, or 1-celled and several-ovuled. 

 Ovules pendulous. Fruit 1-ceUed, indehiscent. Albumen none. 

 Radicle elongated. 



1. RHIZOPHORA, L. M.\^•GRO^'E. 



Calyx tube obovate, the limb 4-lobed, persistent. Petals 4, oblong, emargi- 

 nate, enfolding tlu; alternate stamens in the bud, woolly on the margins. 

 Stamens 8. Anthers linear-oblong. Ovary 2-celled. Seeds germinating 

 within the per.sistent ])ericarj), tlie lengthening radicles, ultimately reaching 

 and rooting iu the ground, form new trees aud impenetrable thickets along 

 the shore. 



1- R. Mangle, L. Leaves ])otioled, obovate-oblong, .3'-C' long; stipules 

 lanceolate, enclosing the buds; peduncles 2 - .3-flowered ; calyx lobes keeled 

 within, as long as the pale yellow rigid petals. — Coast aud Keys of South 

 Florida. 



Order .55. COMBRETACE^S:. (Combretum Family.) 



Tropical trees or shrubs, with entire exstipulate leaves, and axillary 

 spiked or capitate flowers. — Calyx tube coherent with the 1-celled, 

 2-5-ovuled ovary; the limb 4-o-cleft, mostly deciduous. Petals 



