328 OKDER LXI. UMBKLLIFKK^. 



number of the petals or indefinite. Capsule ligneous, 2-beaked, 

 2-celled, dehiscent at the summit. Seeds anatropous. Shrubs, 

 with alternate leaves, feather-veined. 



Genus I— HAMAME'LIS. L. 4—1. 



(Origin uncertain.) 



Calyx 4-parted, with 2 — 3 bracts at the base. Petals 4, 

 marcescent. Stamens 4 that are fertile and 4 sterile, the latter 

 opposite the petals. Styles 2. Capsule bony, cohering at the 

 base to the calyx, 2-celled. Seeds 1 in each cell, shining. 



1. H. Virgin'ica, (L.) 8tcm with flexuous branches. Leaves obo- 

 vate, cordate, acutely toothed, slightly scabrous ; margins undulate, on 

 short petioles, Flowers axillary, in clusters. — Yellow. ^ . Oct. — 

 Nov. Common. 8 — 12 feet. Witch Hazel. 



Genus II.— FOTHERGIL'LA. L. 11—2. 

 (In honor of Dr. Fothergill.) 



Calyx 5 — Y-toothed or truncate, campanulate. Petals none. 

 Stamens numerous, inserted on the margin of the calyx. Ova- 

 ry cohering to the base of the calyx. Styles 2, filiform, dis- 

 tinct. Ca^ysule 2-lobed, opening at the top, 2-celled. Seed 1 

 in each cell, bony. Flowers in terminal, amentaceous spikes. 



1. F. alnifo'lia, (L.) a shrub, with virgate branches. Leaves oval, 

 acute, or obtuse, crenate near the summit, pubescent underneath. 

 Flowers with imbricated bracts, each inclosing a single flower. Starnens 

 numerous, long, white or tinged with pink. — White. '^ , March — 

 April. Margin of swamps. 2 — 4 feet. 



Order LXL— UMBELLIF'ER^. 



Calyx adhering to the ovary. Limh 5-toothed or entire. 

 Petals 5, usually inflexed at the point. Stamens 5, alternate 

 with the petals. Ovary consisting of 2 united carpels, covered 

 by the coherent calyx, 2-celled, an ovule in each cell. Styles 2. 

 Fruit consisting of 2 carpels, adhering to a common axis, inde- 

 hiscent, marked with 5 longitudinal ribs. Seeds anatropous ; 

 embryo minute. Herbaceous plants, usually with fistular 

 stems. Leaves usually compound, with sheathing petioles. 

 Flowers in umbels. 



»— ' — ANALYSIS. . 



1. Flowers in heads Eryngium, 4 



Flowers in umbels ; 2 



2. Umbels simple 8 



Umbels compound 4 



S. Leaves peltate or cordate EydrocotyU, 1 



Leaves linear GranUia, 2 



Leaves digitately divided Sani^la, 3 



