272 ESSAYS ann OBSERVATIONS 
“culis fub feminum fpecie, propagationem 
“¢ quocunque anno perpetuant.” Hence ma- 
ny plants are much better and eafier propa- 
gated by cuttings, layers, offsets, gems or 
buds, than by feeds: hence garlicks, onions, 
leeks, ¢orc. carry gems frequently, on the top 
of the ftalk, among, or in place of the feeds, 
as well as at their roots under ground. What 
- are bulbuous roots but gems? and fuch Cae/al- 
pinus obferved on the leaves of the moly; as 
they are frequently feen on the ftalks of tu- 
lips, lilies: and it is to buds that the increafe 
of many trees is owing. 
51. Now, what is a bud? how does it 
differ from a feed? ‘ Differt foboles a femi- 
“ne, ut foetus vivens ab ovo; femen enim 
** tanquam ovum eft, in quo eft principium 
‘“‘ vitale, at vita nequaquam ; foboles autem 
“‘vivit, primo quidem juxta parentem, ut 
‘‘ ejus germen, poftea vero per feipfum, pro- 
** priis radicibus ex terra humorem trahens,” 
Cacfalp. de plantis (p) : and Malpighius, (q) 
“ Gemmae funt velut infans, feu foetus ita 
“* cuftoditus, ut fuo tempore auctus, in fur- 
*culum excrefcens, tandem ova_ promat. 
“Feat 
(p) Lib. 1.c. 5. 
(7) Anat. Plant. p. 39. 77. 
