152 
Moncecia. 
Juglans. Gen. char. — ( 1 ) Catkin imbricated ; cor, 
six-cleft; stamens about eighteen. (2.) Cal. four- 
cleft ; cor. four-petaled ; styles two, drupe leathery. 
Jug. Regia , Walnut-Tree; with alternate, oval, ; 
sessile, entire leaves ; native of Asia, and cultivated 
throughout the warmer and more temperate regions of 
Europe, on account of its fruit, which is extensively 
employed in its green state as a pickle, and when ripe 
furnishes the well known walnuts of commerce. 
Corylus. Gen. char.— (1) Cal. scale of the cat- 
kin three-cleft ; cor. none; stamens eight. (2) Cal. 
two-cleft, ragged; cor. none; styles two; nut ovate, 
smooth, one-cell ed, covered with a leathery inflated 
calyx. 
Cor. Avellana , Hazel-nut Tree ; with ovate, obtuse 
stipulae, roundish, heart-shaped, pointed leaves, and 
small branches hairy. Common in woods and hedges. 
Calla. Gen. char. — A plain spathe ; the spadix, 
or flower stem, covered with florets ; cal. none ; petals 
none ; berries many-seeded. 
Cal. JEthiopica, Ethiopian Calla ; with arrow-head- 
ed, heart-shaped leaves ; native of the Cape, of the sides 
of rivulets in St Helena, and of the ditches in India, 
and is now common in the green-house and parlour of 
this country. 
Arum. Gen. char.— Spathe one-leaved, convolut- 
ed at the base ; spadix or flower-spike cylindrical, nak- 
ed above ; flowers below producing pistils, and those 
in the middle stamens ; berries one-celled. 
