1 AN INTRODUCTION 
A SEED, properly fo called, which is 
a Rudiment of a new Vegetable, furnifhed 
with Sap, and covered. with a bladdery 
Coat or Tunic. It confifts of, 1. Corcu/um, 
the firft Principle of the new Plant within 
the Seed. 2. Plumula, a {caly Part of the 
Corculum ; which afcends. 3. Rofe/lum, a 
plain Part of the Corculum; which defcends. 
4. Cotyledon, a fide Lobe of the Seed, of a 
porous Subftance, and perifhable. 5. Hrlum, 
an exteral Mark or Scar on the Seed, where 
it was faftened within the Fruit. 6. Ari/- 
Jus, the proper exterior Coat or Tunic of the 
Seed ; which comes off of itfelf. 7. Coro- 
nula, the little Crown, of a Seed; which is 
either Calculus, the Ca/yx of a Floret, ad- 
hering to the Seed, and affifting it to fly; 
or Pappus, a Down, which is a feathery or 
hairy Crown anfwering the fame End, and 
connected with the Seed by Stipes, a Trunk, 
which here fignifies the Thread on which 
the Down is raifed and fupported. 8. A/a, 
Wing, 2 Membrane affixed to the Seed, and 
which by its flying helps to difperfe it. 
NUX, 2 Nut; which is a Seed inclofed 
with an offous Epidermis, a bony or hard outer 
Skin, commonly called the Shed/. 
PROPAGO; which is the Seed of a Mofs, 
firft difcovered bY Linnaus, who peeled off 
the 
