Orel. 7.] dioecia. 193 



Order III. TETRANDRIA. Stamens 4. 



452. HIPPoPHAE. Barr.fi. Cal. deeply cloven. Cor. 0. 



Fert.fi. Cal. tubular, cloven. Style 1. Berry superior. 

 Seed solitary, oblong, with a double tunic. — N.O. Ele- 



AGNE.E. 



453. MYRlCA. Barr.fi. in a catkin. Cal. a concave scale. Cor. 0. 



Fert.fi. in a catkin. Cal. a concave scale. Cor. 0. Styles 

 2. Berry superior, with 1 globular seed. — N.O. My- 

 rice^e. 

 451. Vl'SCUM. Barr.fi. Cal. 0. Pet. 4, calyx-like, dilated and 

 combined at the base. Anth. sessile, on the petals. 



Fert.fi. Cal. a slight border. Pet. 4, dilated at the base. 

 Style 0. Berry inferior, with 1 compressed seed. — N.O. 



LoRANTHE^E. 



Rhamnus 1. Euonymus 1. Urtica 3. 



Order IV. PENTANDRIA. Stamens 5. 



454. HuMULUS. Barr.fi. Cal. of 5 leaves. Cor.O. Anth. with 



2 terminal pores. 



Fert.fi. in a catkin. Cal. an oblique, undivided scale. Cor. 

 0. *Sto//es 2. Seed 1, tunicated, winged with the calyx. 

 — N.O. Urtice^e. 



Ribes 4. Pimpinella 3. Bryonia 1. Salix 5 — 19. 



Order V. HEXANDRIA. Stamps 6. 



455. TAMUS. Barr.fi. Cal. 0. Cor. in 6 deep segments. 



Fert.fi. Cal.0. Cor. in 6 deep segments. 6^/6 3-cleft. 

 Berry inferior, of 3 cells. Seeds in pairs. — N.O. Smi- 



LACE/E. 



Rumex, 9, 10. 



Order VI. OCTANDRIA. Stamens 8. 



457. RHODlOLA. Barr.fi. Cal. in 4 deep segments. Pet. 4. 



JVeeL 4, notched. 



Fer^. ,/?. Ca/. Pe£. Nect. the same. P^. 4. Caps. 4, 

 with many seeds. — N.O. Crassulace^e. 



456. PoPULUS. Barr.fi. Catkin imbricated. Cal. a torn scale. 



Cor. turbinate, oblique, undivided. 

 Fert.fi. Catk. Cal. Cor. the same. Stigma 4 or 8. Caps. 

 superior, of 1 cell and 2 valves. Seeds tufted. — N.O. 

 Amentace^e. 



Order VII. ENNEANDRIA. Stamens 9. 



458. MERCURIALIS. Barr.fi. Cal. in 3 deep segments. Cor. 



0. Stam. 9 — 12. Anthers of 2 globose cells. 



