168 
POL YG A MIA 
N° of Species in. 
N° Genera. Growth, species. Native of Britain. 
31 Vnnax* * * § (umberd) s&h 5 China, America 
32 Stilbe 3 Cape 
2d. Monoclinians and females. 
33 Fraxirmsf t 4 America Brit. J 
34 Gleditsiaj t 2 America 
3d. Androgynous and males. 
35 Anthospermum§ s&h 3 ./Ethiopia 
Vmbelled. 
36 Arctopus h 1 Africa 
No calyx. 
37 Pisonia s 2 W. Indies 
ORDER III. TRIGECIA. 
(three HOUSES.) 
Having the polygamy on three plants. 
Androgynous, male, and female, on three plants. 
38 Ceratoniajj t 1 Spain 1 
* The roots of fennel (anethum fceniculum) is said to be a good succedaneum 
for ginseng (panax quinquefolia). Dispensatorium Fuldense, 1791. 
f Manna , from Calabria, is a concreted juice chiefly from a species of ash } called 
Jxaxinus rotundifolia . This is the sort at present most used, though formerly that 
obtained from the hedysarum alhagi was in great esteem, called Syrian or Persian 
manna , which granulated like mas tick . Manna is also obtained in Spain from the 
old branches of the cistus ladiniferus . 
X In gleditsia , the monoclinians and males are on the same plant, and the 
females on another. 
§ Amber tree (anthospermum) is called so from its fragrant odour: real amber 
being ranked as a fossil bitumen ; though perhaps originally might have been of 
vegetable production. 
|| Geratonia siliqua (the carob tree) called by former botanists siliqua; which, 
Mr. Bruce says, in Africa is called Jcuara 9 from the country where it grows. It 
bears a long, flat, brown-coloured pod, the seeds of which are so nearly of a size, 
as scarcely to vary in weight $ hence they became a weight for gold, called carat , 
