EXPLANATION OF PLATE III. 
F:g. 1, P0PU1.US fastigiata* (Family AmentacecB.) DicEOOus tree. It was ongi 
nally carried from the Levant into France, and is known in the United States as the 
Lornbardy poplar. Trunk vertical. Branches erect, fastigiate. Tlie slaiuinate flowers 
only are known in this country. 
F''ig. 2. Salix habylonica. Weeping-willow. (Family Amentaceo'..) A Dioecious 
tree, growing to the height ot" 35 feet; it was originally lion) tlie Levant. The fertile 
plant only exists in this country. Stem brandling ; tlie branches are supple, pendent. 
Leaves alternate, lanceolate. 
Fig. 3. CnAMAEROi-s /m/«<7<s. (Family of the i'a/m^'j.) Dioecious tree, whose height 
varies from 4 to 30 feet. It grov/s in Barbary, iSj)ain, and Italy, its fruit is called wild 
dates. 
Fig. 4. Maranta arundinaceci. Arrow-root. (Family Cannec.) Perennial plmt, 
four feet high ; native of South America. Stem herbaceous, slender, branc hing. 
Leaves entire, oval-lanceolate, petioled. Petioles short, sheathing. Flowers leni. iial. 
Tlie root of this plant atiords a substance resembling starch in many of its properties; 
this is much valued for its nutritious qualities. Tlie plant belongs to Monandria Mon- 
ogynia. 
Pig. 5. Sariiacenia purpurea.t (Family undetermined.) Side-saddle flower: an 
herbaceous plant peculiar to marshes of North America. Leaves radical, ascidiate 
Calyx tive-sepalled. (Jorolla five-petalled. 
Fig. 6. DioNAEA mascipula. Venus' fly-trap. (Family uncertain.)! Perennial, 
Herbaceous, ."-cape vertical, about eight inches high. Leaves radical, radiating froni 
the centre, petioled. Petiole cruciform. Leaf round, folds itself up suddenly on being 
'Duelled. Flowers corymbed. Decandria Monogynia. 
Fig. 7. Vh\l.uvs iinpudicus. (Family of the Fu^^ i.) Mushroom called morel. A, 
young plant still enclosed in its volva. B, a plant perfectly developed ; a, volva which 
has burst to make rooirj for the jiedicel, 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 
«, pedicel ; b, neck ; c, pileus ; d, interior surface, lorming a layer for the seeds to rest 
in ; e, umbo. 
Fig. 9. lioLKTVs salicinus. Parasite. (Family Fungi.) Pileus dimidiate, sessile 
* Tlie dilitiita of most autliors. 
■f Liiiflley establishes a t'limily, Sarracenia, in whicli this is the only genus; lie considers it to be 
allied to fupaveraceaj, on account of its dilated stigma, its indefinite number of stamens, and small em- 
oryo lying at the base fif copious albumen. He also thinits it nearly related to Droseraceas, or to what 
ever family tlie Dioneea may be placed iti. The pitcher-form leaf of the Sarraoenia is analogous to th« 
dilated foot-stalk of the Dionaea, and the lid of the pitcher in the former leiif is represented by the irr'U 
ble lamina in the latter. In the structure of its leaves, the Sarracenia is related to the family NepeiithMa 
•wntaining the pitcher-plant. 
i Referred by Liudley to Oroseraces 
