THE MONOCOTYLEDONS 487 
the reserve food frequently in the form of hard (reserve) cellulose 
(ivory-nut-palm) or ruminate albumen (Areca). 
OrrFicIAL Druc Part Usep BotANnicAL NAME HABITAT 
Sabal Fruit (drupe) Serenoa serrulata South Carolina to 
(Saw Palmetto) ; Florida and Texas 
Areca Seed 
Arecolinz Hydrobromide of Asia and Malayan 
Hydrobromi-  _aikaloid from ee Islands. 
dum seed 
UnorrFictiAL Druc 
Dragon’s Blood Inspissated juice Damonorops Draco East Indies 
Cocoanut oil Fixed oil Cocos nucifera Tropics 
Carnauba wax Wax from leaves Copernicia cerifera Brazil 
Palm oil Fixed oil Elzis guineensis West Africa 
OrDER ARALES 
ARACE& OR ARUM Famiry.—Perennial herbs with fleshy 
rhizomes or corms, long petioled leaves, and acrid or pungent 
juice. Leaves mostly radical; when cauline, alternate, entire to 
divided, often hastate or sagittate, with a membranous sheath 
at the base. Flowers small, usually imperfect, rarely hermaph- 
roditic, usually monoecious, the pistillate usually below, the 
staminate above, crowded on a spadix, which springs from the 
axil of a spathe. Fruit an indehiscent, 1 to several celled, 1 to 
many seeded berry occurring in a cluster on the fleshy fruiting 
spadix. Seeds filled with large, curved, fleshy embryo or mostly 
with copious endosperm with embryo in center. 
This family includes many ornamental plants among which 
are the calla lily (Richardia ethiopica), the ceriman (Monstera © 
deliciosa) whose large leaves have many holes, the Anthuriums with 
colored showy bracts and the Elephant’s ear (Colocasia esculenta). 
OrrictAL DruG Part Usep BoTtanicAL NAME HAsiTrAtT 
Calamus Peeled rhizome Acorus Calamus Europe, Asia, North 
America 
UNOFFICIAL 
Druc 
Skunk cabbage Rhizome Symplocarpus North America 
foetidus 
Indian turnip Corm : Ariseema North America 
triphyllum ; 
Tonga _ Rhizome Epipremnum pin- Fiji Islands 
natum (in part) 
* 
