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He adds, that if a greater bran- 

 ches out into many Ihialler ones, 

 or is diftributed through feveral 

 Jets^ the fquare of the Diameter 

 of the main Pipe mud be propor- 

 tion'd to the Sum of all the Ex- 

 pences of its Branches: That if 

 the Refer vatory be fi Feet high, 

 and the Adjutage half an Inch in 

 Diameter, the Pipe ought to be 

 three Inches in Diameter. 



He %s. That the Beauty of 

 Jets of Water confifts in their 

 Uniformity and Tranfparency at 

 the going out of the Adjutage, and 

 fpreading but very little, and that 

 to the highell Part of the J^t. 



That the worllSortof Adjutages 

 arc thofe that arc Cylincirical •, tor 

 they retard very much the Height 

 of the Jeti\ tne Conick retard it 

 iefs : But the beft way is to bore 

 the Horizontal Plane, which fliuts 

 the Extremity of the Pipe or Con- 

 duit, v\;'ith a fmooth and polifli'd 

 Hole J taking Care that the Plate be 

 pcrfcdlly piam, polilh'd and uni- 

 form. 



ILEKi The ever-green Oak. 

 The Charachrs are ; 



Ihe Leaves are for the mofl. part 

 iiiJented or fnuated (and ia Jotne 

 the Edges of the Leaves are prickly) 

 And are ever-green^ it hath amen- 

 taceous FloTvers^ which are produced 

 £it reiiwte Dijiances from the Fruity 

 on the fame Tree j the Fruit is an 

 Acorn like the common Oak. 

 The Species are ; 



1 . Ilex j folio angujloy non ferrato. 

 C. B, P. The Ohve-leav'd ever- 

 green Oak. 



2. Ilex j folio ohlongo, ferrato, C. 

 B. P. Narrow-leav'd ever-green 

 Oak, with.fcrrated Leaves. 



3. Ilex; folio Agrifolii. Bot, 

 Monfp. Holly-leav'd ever-green Oak. 



4. Ilex ; folio rotundiorey molli, 

 f?}odicecj^He fmuatQ-j five fmilax TheO' 



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phrap, C. B. P. The ever-green 

 Oak, with round, fmooth, linua- 

 ted Leaves. 



5-. Ilex ; aculeata, cocciglandift- 

 ra. C. B. P. The Holm Oak oa 

 which the Kermes are produced. 



There are feveral other Varieties 

 of thefe Trees, which differ in the 

 Shape of their Leaves, fbme being 

 long and fmooth, others are roun- 

 der, and have many Prickles upon 

 their Edges, and fome have their 

 Leaves linuated and waved like 

 thoie of the Holly i but as thele 

 are only feminal Variations, and 

 will ariie fiom Seeds taken from 

 the fame Tree, lb it is not Vv^ortii 

 troubling my feif or the Reader, 

 to enumerate their feveral Dillin- 

 diioas in this Place, fmce thofe a- 

 bove-mentioned are the moft com- 

 mon Varieties, and all the other 

 Differences will be nearly allied to 

 one or other of the four flrfc Sorts. 



Thefe Trees are propagated by 

 fowing their Seeds; the bed Sea- 

 fon for this Work is in the Begin- 

 ning of March y but then, as the 

 Acorns are ripe in Autumn^ they 

 fliould be preierv'd cither in Sand 

 or dry Earth until the Spring, o- 

 therwife they will lofe their grow- 

 ing Faculty, which is commonly 

 the Cafe with thofe brought annu- 

 ally from Genoa, icarce one Seed 

 in titty of them ever riling ,• how- 

 ever, lince we have many large 

 Trees now in England which pro- 

 duce good Scedi, we need not 

 fend to Italy for them ; but were 

 I to advife, I fhould much' rather 

 have them from Portugal thin Z- 

 talyi for the Voyage bcmg much 

 Ihorcer, they are generally brought 

 from thence in very good Con- 

 dition. 



The Manner in which I would 

 advife their being ibwn, is, if for 

 large Quantities, in Drills at about 



two 



