740 ANALYSIS OF THE ORDERS IN MONOCOTYLEDONES. 
Inner whorl of the perianth different from 
the outer. 
Placentas axile. Anthers 2-celled. Cap- 
sule 2—3-celled . ; 4 . . 
Placentas parietal. 
Anthers 2-celled, Capsule I-celled . 
Anthers I-celled. Capsule 1-celled : 
The outer and inner whorls of the perianth 
alike. 
Fiowers on a spadix. 
teral slit . : ‘ : 
Flowers not on a spadix. Embryo with- 
out a slit : - - - : . 
spe with a la- 
b. Outer whorl of the perianth petaloid, or the 
whole petaloid when only one whorl is present. 
Carpels more or less distinct. 
Seeds solitary. Flowers ona spadix . ° 
Seeds numerous. Flowers not on a spadix. 
Anthers extrorse : : : ° . 
Anthers introrse. 
Perianth of 6 parts. 
bumen : 
Perianth of 2 parts. Seeds with albumen 
Carpels combined. 
Flowers on a spadix .- ‘ - : 
Flowers not on a spadix. 
Perianth rolled inwards after flower- 
Seeds without al- 
ing. Aquatics . - 
Perianth not rolled inwards ‘after flow- 
ering, conspicuous. ~ : : 
C. Ovary superior. Leaves net-veined. 
a. Placentas basal . : : ; ; F 
b. Placentas axile . ; : : . 
c. Placentas parietal . ; - “ . . 
2. FLOWERS EITHER NAKED, OR WITH A WHORLED SCALY PERIANTH, 
GENERALLY UNISEXUAL. 
A. Flowers on a spadix. 
a. Flowers bisexual. 
Embryo cleft : z , ‘ 5 5 
Embryo solid - : : E : 
b. Flowers unisexrual. 
Embryo solid : ‘ ; ; = 
Embryo cleft on one side. 
Flowers with a true spathe. 
lent. 
Anthers sessile, or nearly so . ‘ 
Flowers without a true spathe. Fruit dry. 
Anthers on long filaments 
Fruit succu- 
B. Flowers not arranged on an evident spadix. 
a. Flowers bisexual. 
Ovary superior . “ : : : . 
Ovary inferior . , : : : : 
b. Flowers unisexrual. 
Ovules erect. 
Commelynacex. 
XAyridacex. 
Mayacex. 
Aroidacex. 
Juncacex. 
Pa’macex. 
Colchicacex. 
Butomacezx. 
Philydracex. 
Palmaceex. 
Pontederacezx. 
Liliacee. 
Roxburghiaceex. 
Smilacezx. 
Philesiacezx. 
A roidacez. 
Pandanacezx. 
Pandanacezx. 
Aroidacex. 
Typhacex. 
Juncaginacer. 
Hydrocharidaceex. 
