SPECIMEN OF A FLORA OF CANADA. 279 
ovary: free extremities of the sepals ovate: style short: fruit pulpy, 
when ripe red. Leaves larger than in the last. Shore of Lake Su- 
perior and Northward. 
Alliance UMBELLALEs, known among the Epigynose, Dichlamy- 
deous, Dialypetalous, Exogens, by the solitary large seed in each of 
two or more carpels. A very natural group, and contributing con- 
siderably to our flora. The following table will distinguish our Orders, 
including all which belong to the alliance excepting Bruniaceze, which 
are all natives of Southern Africa and Madagascar :-— 
ORDERS. 
(opposite [without stipules ; flow- 
ers tetrameous; corolla val- 
VALE cies cceessstceccrocoesesctosestseoe CoRNACE, 
(not didymous 
Leaves (with stipules [an- 
thers with deci- 
duous valves, cor- 
olla imbricate] ... HAMAMELIDACEZ, 
alternate 
Umbellales- 
Fruit without stipules,— 
anthers opening 
inwards; corolla 
ValVatol 3. scccecess ARALIACER. 
didymous, with a double disk; ripe carpels, separating 
from below [the fruit called a cremocarp].............00..5 APIACEZ. 
Hamamelidacez.—A small order, consisting of shrubs or low 
trees, chiefly found in Asia or South Africa; but of which one spe- 
cies is widely diffused in North America; another of a different genus 
occurring in the Southern U. S. 
- Hamamelis, L. 
Flowers in axillary clusters or heads, usually surrounded by a scale-like three-leaved ins 
yolucre. Cal. of four sepals, with two or three bractes at its base. Petals four, strap-shaped, 
long and narrow, spirally involute inthe bud. Stamens eight, four alternating with the 
petals, anther-bearing ; the others imperfect, scale-like. Carpels two, with short styles. 
Pod opening from above loculicidally; bursting elastically into two pieces. Shrubs with 
straight-veined leaves, and yellow perfect or polygamous flowers. 
H. Virginica, Lb.—The Witch Hazel.—Leaves obovate or oval, 
wavy-toothed, somewhat downy when young. Shrub, blossoming 
late in autumn, when the leaves are falling, and maturing its seeds 
the next summer. Common in Canada, Toronto, &c. 
Cornacez.—A small order, consisting of trees and shrubs, with 
a few herbs, known by their generally opposite, exstipulate leaves, 
