EXPLANATION OF PLATE III. 
Pig. 1. Vovvujs fastigiata* {¥nm\\Y AmentacecE.) Dicecious-tree. It was orgi- 
nally carried from the Levant into France, and is known in the United States as the 
Lombardy poplar. Trunk vertical. Branches erect, fastigiate. The slaminate flow- 
ers only are known in this country. 
Fig. 2. Salix babylonica. Weeping-willow. (Family Amentacece.) A Dioecious 
tree, growing to the height of 35 feet ; it was originally from the Levant. The fertile 
plant only exists in this^country. Stem branching ; the branches are supple, pendent. 
Leaves alternate, lanceolate. 
Fig. 3. CHAMiERors humilis. (Family of the Palms.) Dioecious tree, vi^hose height 
varies from 4 to 30 feet. It grows in Barbary, Spain, and Italy. Its fruit is called 
wild dates. 
Fig. 4. Marakta am/? dmacecE. Arrov7-root. (Family Canntsc.) Perennial plant, 
four feet high; native of South America. Stem herbaceous, slender, branching. 
Leaves entire, oval-lanceolate, petioled. Petioles short, sheathing. Flowers termi- 
nal. The root of this plant affords a substance resembhng starch in many of its prop- 
erties ; this is much valued for its nutritious qualities. The plant belongs to Monan- 
dria Monogynia. 
Fig. 5. S'arracenia p!(?-pzirea.t (Family undeterrnined.) Side-saddle flower ; an 
herbaceous plant peculiar to marshes of North Americai Leaves radical, ascidiate. 
Calyx fivc-sepalled. Corolla five-petalled. 
Fig. 6. DioNiEA 7nuscipula. Venus' fly-trap. (Family uncertain.)! Perennial, 
herbaceous. Scape vertical, about eight inches high. Leaves radical, radiating from 
the centre, petioled. Petiole cruciform. Leaf round, folds itself up suddenly on being 
touched. Flowers corymbed. Decandria Monogynia. 
Fig. 7. V a \Lws inipudicus. (Family of the jPizn^i.) Mushroom called morel. A^ 
young plant still enclosed in its volva. i?, a plant perfectly developed ; o, volva which 
has burst to make room for the pedicel, b ; c, pileus ; d, umbo, a central part of the hat, 
which is pierced in its turn. 
Fig. 8. Agaricus cretaceus. (Family of the Fungi.) Mushroom without a volva. 
a, pedicel ; b, neck ; c, pileus ; d, interior surface, forming a layer for the seeds to rest 
in ; e, umbo. 
Fig. 9. BoLETXTs salicinus. Parasite. (Family Fungi.) Pileus dimidiate, sessile. 
* The dilitata of most authors. 
■f Lindley establishes a family, Sarracenice, in which this is the only genus ; he considers it to he allied to 
Papaveracoae, on account of its dilated stigma, its indefinite number of stamens, and small embryo lying at 
the base of copious albumen. He also thinks it nearly related to Droseraceae, or to whatever family the 
Dionaja may be placed in. The pitcher-form leaf of the Sarracenia is analogous to the dilated foot-stalk of 
the Dionaea, and the lid of the pitcher in the former leaf is represented by the irritable lamina in the latter. 
Ill the structure of its leaves, the Sarracenia ia related to the family Nepentheae, containing the pitcher- 
plant. 
I Referred by Lindley to Droserac«sB. 
