816 
Lavandula Stcechas, L. 
South Europe, North Africa. This shrub can also be 
utilized for oil distillation and other purposes, for which the 
two other Lavenders are used. The quality of the oil of 
these species seems to differ according to their locality of 
growth. 
Lawsonia alba, Lamarck. 
North and Middle Africa, Persia, Arabia, India and North- 
western Australia. The Ilenne or Henna-Bush. It may 
become of use as a dye-plant in parts of our Colony free of 
frost. The orange pigment is obtained from the grinded 
foliage. 
Lavatera arborea, I'- 
Tree-Mallow of Middle Europe and the countries at the 
Mediterranean Sea. A tall biennial plant of rapid growth. 
The ribbon-like bast is produced in greater abundance than 
in most other malvaceous plants. The Tree-Mallow might 
easily be naturalized on our shores. Perhaps it might serve 
with allied plants for green manure. 
Leersia oryzoides, Swartz. 
Middle and South Europe, various parts of Asia, Africa and 
America. A perennial nutritious swamp-grass. Other 
Leersias from both hemispheres are deserving of introduction. 
Lepidium sativum, L. 
The Cress. Orient. Annual. Irrespective of its culinary 
valne Cress is of use as one of the remedies in cases of 
scurvy. Active principle ; A volatile oil and the bitter 
Lepidin. 
Lepidosperma gladiatum, La Billard. 
The Sword-Sedge of the sea coasts of extra-tropic Australia. 
One of the most important plants for binding sea-sand, also 
yielding a paper material as good as Sparta. 
Leptospermum Isevigatum, F- v. M. 
{Fabricia laevigata, Glaertner.) 
The “ Sandstay.” Sea-shores and sand-deserts of extra- 
tropic Australia, but not extending to Western Australia. 
