2392 PRINCIPLES OF BOTANY, ETC. 
len of almost all flowers, and accordingly bees pre- 
pare their wax from it. 
7. Glutinous matter, in the -berries of some 
plants, ¢. g. of the misletoe, Viscum album, and 
in the plant from which we obtain the Indian rubber, 
Siphonia elastica. | 
8. Soapy matter, which ieee greasy spots out of 
linen. It occurs in the leaves of the soap-wort, 
(Saponaria officinalis); in the fruits of the Saponaria 
sapindus; im the common horse chesnut, (Aesculus 
fippocastanum); m. many roots, as in cichory, (Cicho- 
rium Intybus); burdock, (Arctium Lappa); vipers 
grass, (Scorzonera hispanica), Sc. 
9. Mucilage is met with in many plants; in the 
roots of the marshmallow, (Althaea officinalis); in 
the stalks of the goats-thorn, (Astragalus creticus) ; 
in the leaves of the round-leaved mallow, (Malva 
rotundifolia) ; in the seeds of the quince, (Pyrus cy- 
donia); m the flowers of the yellow mullein, (Ver- 
bascum fthapsus), We. | 
10. Gum exudes in form of smal! globular masses 
from the stem of certain trees, ¢. g. the damson-tree, 
(Prunus domestica); black cherrytree, (Prunus avium) ; 
gum arabic irom the Mimosa ilotica. 7 
11. Gluten, which composes the vegetable fibre, 
is produced by a combination of carbon and azot. 
12. Albumen occurs in many of the culinary 
plants, and in the mealy seeds of some of the spe- 
cies of cress, nasturtium, and in the squill, (Scilla 
maritima). 
13. Starch, consisting, it seems, of gluten, farina 
and saccharine mucilage. It is found im the ‘seeds 
. and 
