343 



CLASS XXL MONCECIA. 



Plants having Flowers furnished with Stamens only, and 

 Flowers furnished with Pistils only, on the same individual. 



Order I. MONANDRIA. One Stamen. 



1. EUPHO'RBIA. Involucre with numerous barren or stameni- 



ferous flowers, and one fertile OTpistilliferous. 

 Barren flower '. Calyx none. Corolla none. 

 Fertile flower. Calyx none. Corolla none. Capsule three- 

 lobed. Styles three- cleft. 



2. ZANNICHE'LLIA. Involucre none. 

 Barren flower. Calyx none. Corolla none. 



Fertile flower. Calyx of one leaf. Corolla none. Germens 

 four or more. Seeds four, stalked. 



(Cattitriche. Typha minor.) 



Order II. DIANDRIA. Two Stamens. 



(Calexpulicaris, stellulata, and other species.) 



Order III. TRIANDRIA. Three Stamens. 



4. SPARGA'NIUM. Flowers in globular heads. 



Barren flower. Calyx three-leaved. Corolla none. 



Fertile flower. Calyx three-leaved. Corolla none. Drupe dry. 



5. CA'REX. Flowers in imbricated catkins. 



Barren flower. Calyx a chaff-scale. Corolla none. 

 Fertile flower. Calyx a chaff-scale. Corolla a husk, investing 

 the loose seed. 



6. ELYNA. Flowers in imbricated, two-rowed catkins. 



Barren flower. Calyx a chaff-scale. Corolla none, 



Fertile flower. Calyx a chaff-scale. Corolla none. Seed one, 



loose. 

 3. TY'PHA. Flowers in a cylindrical, hairy catkin, 



Barren flower. Calyx none. Corolla none. Anthers three on 



each filament. 

 Fertile flower. Calyx none. Corolla none. Seed one, on a 



hairy stalk. 



(Amaranthus.) 



Order IV. TETRANDRIA. Four Stamens. 

 11. ERIOCAU'LON. Flowers in a compact scaly head. 



Barren flower, in the middle. Calyx none. Corolla of one 

 petal, with four or six segments. Stamens four or six. 

 Fertile flower, in the circumference. Petals four or six. Style 



one. Capsule superior, two or three-lobed. Seeds solitary. 

 7. LITTORE'LLA. Barren flower. Calyx four-leaved. Corolla 

 with four segments. Stamens hair-like, very long. 

 Fertile flower. Calyx none. Corolla unequally three-cleft. 

 Style very long. Nut one-celled. 



