Of Shrubs. 
Part It 
within, whitifh, fmooth and gloffy $ without, cover'd with 
the faid foft and purple Cruft. 
A fmall HORNY SHRUB with LOOSE Branches. 
The Root is curioufly fpread upon a Stone like a thin skin. 
The Trunk of a yellowifh brown, and thick as an Oaten 
ftraw, divided into flender Twiggs , to about a foot in 
height 3 flexible, and having a foft and white Pith. Being 
burnt, they not only fend forth a very {linking fmoke, but 
alfo fwell into a light and fpongy Cynder, juft like that of 
Whale-bone, Cow-Horn? Leather, or other like Animal-Body. 
Moft of them are cover'd with a foft afh-colour'd Cruft. 
Neither Oil of Vitriol, nor any other, except a Nitrous 
Acid, droped upon this Cruft, caufeth an Ejferve?ifce?ice. 
Which fhews the Salt therein contained, to have affinity 
with that in the ftones bred in Animals. 
TWO more fmall HORNY and incruftated Shrubs. 
TWO more, growing together on a ftony Bafe, not 
Incruftated. 
A FLAT , HORNY SHRUB , with LOOSE Branches. 
Frutex Corneo-Ugneus, expanfut, folutis Ramulis. In all the 
former, the Branches were expanded every way : in this, 
only one way, or in breadth. The Root fpread like a 
Membrane, upon its Bafe, as in the former. 'Tis near ? a 
foot high, and almoft 4 broad, fhaped not unlike a Fea- 
ther-Fan, formerly in ufe. The Trunk * of an inch over, 
divided into a great number of Branches round, black, 
fmooth, fomewhat flexible, and having a Pith. In burning 
they huff and ftink, as the former. Cover d with a foft and 
afh-colour d Cruft, all over knobed with little Veficles, which 
are fometimes perforated. 
ANOTHER more tall, and with both a White or Grey, 
and Red Cruft 3 not on the fame but feveral Branches. 
The former, knobed , the other, as it were daubed upon , 
the Branches. Given by Sig r . Boccone, and by him alfo 
figurd. 
ANOTHER of thefe growing Double, or divided next 
the Root into two fpreading and parallel Bodies. 
A flat HORNEY SHRUB, with more NUMEROUS 
Branches. About a foot broad, and -near as high. Rooted 
in a kind of Brain- ft one. Without any Cruft. The Branches, 
as more numerous, fo {lender, longer, and more flexible, 
fo as to be fomewhat bearded. ANO- • 
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