8 S Y L V A BOOK in 



for the making of beer without hops ; as possibly 

 with the white marrubium (a plant of singular virtue) 

 or with dry'd heath-tops, (viz. that sort which bears 

 no berries) or the like, far more wholesome, and less 

 bitter then either, tamarisk, carduus^ or broom, which 

 divers have essay 'd ; it might prove a means to save 

 a world of fuel, and in divers places young timber, 

 and copp'ce-wood, which is yearly spent for poles ; 

 especially in countries where wood is very precious. 

 Note, that the wood-land measure by statute, is 

 computed after eighteen foot the perch. 



CHAPTER II. 



Of Pruning. 



There could nothing certainly be more necessary, 

 in order to pruning, than the knowledge of the course 

 and nature of the sap ; which not being as yet so 

 universally agreed on (after innumerable tryals aqd 

 experiments) leads our arborators into many errors 

 and mistakes: I have in this Forest Work occasionally 

 recited the various opinions of several, leaving them 

 to the determination of the learned and judicious, as 

 a considerable part of natural philosophy ; Dr. Grew, 

 Malphigius, De la Quinteny, and what is found dis- 

 pers'd in the Philos. Transactions by our plant anatom- 

 ists ; without charging this chapter with repetitions : 

 And the same I have done likewise as to astrological 

 observations, positions of the stars and planetary 

 configurations, exhalations and dominant power ; 

 though in compliance to custom, I now and then 



