3 ^ 
Of the seeds; 
CHAPTER XII. 
Of the seeds. 
T he fU/ 2 /c is the fein of the feed, which inclofes 
the other parts. 
The cotyledons are the fide lobes of the feed, of a 
porous fubilance, and perifhable. Pl. V. fig. 
The corcuium is the effence of the feed, the firfl: 
principle of the new plant. 
The p^unmla is the fcaly part of the corcuium, 
which alcends. PI. V. fig. i8, 
"i he rojieilum^ is the plain part of the corcuium, 
which defcends. PL V. fig. i8. 
The hilum is an external mark on the feed, where 
it was faiiened. 
Seeds have the following differences. 
Cordiform, ffiaped hke a heart, as in Medeola. 
Renijorm. fhaped like a kidney, as in t loom. 
Ovate. cgg-fl>aped, as in Milkwort and '^^^)ad. 
^Triquetrous . ha\ing three p'ane fides, as in Dock* 
Echinate^ lough with prickies, as in Lappula. 
VniLOCular^ with one cell, as in mofi plants. 
Bilocular^ with tw^o ceils, as ii\ Cornel, Xanthium 
and Valerian. 
OJfeous^ bony, as in Gromil, 
Callous^ tough, as in Citron. 
Scobiform^ imall like dull, as in Orchis, 
Tailed^ as in Avens. 
Winged^ furnifhed 'with a membranous wing, by 
which it flies and is difperfed, as in Pine. 
nrillate^ inclofed in an arillus, a coat which falls 
off ipontaneoufly, as in Houndftongue and Spindle- 
tree. 
Calyculate^ crowned with the calyx of the floret, 
as in Scabious. 
Faleaceous 
