ANALYSIS OF THE ORDERS IN MONOCHLAMYDEX. 691 
Embryo hooked. 
Sap watery. Seeds without albumen - Carnabinacee. 
Sap milky. Seeds with albumen . . Moracex. 
b. Carpels more than one, combined. 
Flowers amentaceous. 
Seeds arillate. 
Stamen 1. : : : . : . Lacistemaceex. 
Stamens more than 1 : - Se . NScepacex. 
Seeds not arillate : : - : . Betulacex. 
Flowers not amentaceous : : : . Huphorbiacex. 
b. Leaves exstipulate. 
1. Flowers hermaphrodite. 
a, Carpel solitary. 
Anther-valves recurved . k s : . Lauracesz. 
Anthers slit. 
Leaves covered with scales . ; 7 . Elwagnacex. 
Leaves not scaly. 
Calyx long or tubular. 
Hardened at base . : - - . Nyctaginacer. 
Not hardened in any part. 
Stamens in the points of the sepals . Proteaceex. 
Stamens not in the points of the 
sepals. . : ° . Thymelacezx. 
Calyx short, not tubular, or but slightly so. 
Flowers in involucels . 3 . . Polygonacex. 
Flowers not in involucels. 
Calyx dry and coloured. ; - Amarantacer. 
Calyx herbaceous or succulent. 
Stamens hypogyneus or nearly so. Chenopodiacex. 
Stamens perigynous ; - . Buasellacee. 
6. Carpels more than one, either distinct or com- 
. bined. 
Carpels distinct . : : : ; . Phytolaccaceex. 
Carpe!s combined. 
Seeds exalbuminous, 
Calyx tubular. 
Ovary 2-celled . : - , - Aquilariacee. 
Ovary 4-celled . : ; ; . Penxacex. 
Calyx tubular, or imperfect . : . Podostemacex. 
Seeds albuminous .. - A . Phytolaccaceer. 
2. Flowers unisexual. 
a. Carpels solitary, or quite distinct. 
Calyx tubular. 
Anthers opening by recurved valves . . Atherospermacex. 
Anthers opening longitudinally . : . Myristicacex. 
Calyx not tubular. 
Seeds exalbuminous. Embryo straight. 
Leaves verticillate : : ; - Ceratophyllicex. 
No evident leaves . : : ° . Casuarinacee. 
Seeds albuminous. 
Embryo curled round the albumen . Chenopodiacex. 
Embryo straight. , : : . Monimiacer. 
b. Carpels more than one, combined. 
Ovules indefinite. 
Leaves with pitchers . : : 2 . Nepenthaceex. 
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