EXPLANATION OF PLATE IV. 
Fig. 1. Carica papaya. Papaw-tree. (Family unknown.)* The name carica i» 
from Caria, where the tree was first cultivated. DicEcious. 20 feet hi^h. It is a native 
of the East and West Indies and Guinea— Fig. 1. A fertile plant. Trunk very simple, 
vertical, cyiindric, marked with cicatrices produced by the fall of leaves. Leaves ter- 
minal, large, severi-lobed, peti9led. Petioles two or three feet long. Flowers grow at 
the base of the petioles. Berries large, furrowed, depressed in the centre. The green 
fruit is eaten by the Indians in the same manner as we use the turnip. The buds ea'e 
used for sweetmeats. The ripe fruit is eaten for a dessert, like melons. 
Fig. 2. Crescentia cujete. Calaba-^h-tree. A tree 16 feet in height; native of 
Soutli America and the West Indies. Trunk thick. Branches horizontal or reflexed. 
Leaves fasciculate, obovate, cruciform, fascicles alternate. Flowers rameus, sometimes 
cauline, solitary. Calyx campanulate, bi-lobed,. Corolla large, sub- campanulate. 
Berries large, resembhng the pumpkin in figure ; the epicarp cortical, like that of the 
gourd. 
Fig. 3. Y AsitLA aromatica. {FamWy of the Orchidecc.) This plant is somefimes 
called Epidendron vanilla, the generic name being derived from epi, upon, and dendron, 
a tree, because the plant grqvys parasitically on the trunks and branches of trees. It 
is perennial, climbing, parasitic ; a native of South America. Stems cylindnc ; flow- 
ers ramose, producing roots at every Joint, whiclt fasten themselves to the bark of trees. 
Leaves alternate, oval, oblong, acute, thick. Flowers in terminal spikes, which are 
lax and pendent. Perianth simple, six-lobed. Caosule fusiform, containing small 
black seeds which have an aromatic taste and fraiirant smell ; they are used as per- 
fumes. This plant belongs to Gynandria IMonandria. 
Fig. 4. Nepenthes rfis/iZ/aior-ia. (Family uiiknown.)t A perennial plant of the 
Indies. Stem simple, with leaves towards the base. Leaves alternate, large, oval, 
lanceolate, contracting at the base into pet oles which are semi-amplexicaulis, ana 
terminated at the summit by a tendril which supports an ascidium;. this is cyiindric, 
and furnished with an operculum which opens and shuts according to the state of the 
atmosphere. Flowers terminal, panicled. 
Fig. 5. Sempervivum tectorum. House-leek tribe. t The generic name is derived 
from the T^atin, semper, always, tnr ire, to live, and the specific name from tectum, 
house. This is a perennial, herbaceous plant, which grows to the height of sixteen 
inches. The stem is simple, vertical, foliated. Leaves succulent, oblong, alternate ; 
radical leaves cordate. Flowers in close panicles. Polyandria Polygynia. 
Fig. 6. Panicum italicum. (Family of the Grasses.) An herbaceous, annual 
plant, two feet in height, a native of India. Culm erect. Leaves elongate, lanceolate, 
slieathing. Spike elongated, compoimded of numerous spikelf^ts. 
Fig. 7. Clathrus cancellatus. Mushroom. (Family of the Fungi.) A, young 
plant enclosed in its volva. B, another more advanced; a, volva ruptured ; 6, peri- 
dium beginning to appear. C, a plant entirely. developed. The peridium is globular 
and cancellated. 
^ Lindley foiTOS of this a distinct family, called Pa'maccce. He considers it as allied to thp Pa-?sion- 
flower tribe, in lis fruil ; and' to the F% tril)c, in 'ho separation of stamens and pistils, and in iis milky juice, 
which resemhlas that found in some species of Ficus. 
t Formed by Lindley into a new family. NepcnthecB. 
I Belonging to the Crassulaceaj of Lindley ; aJliod to the Cacti and Euphorbias. 
