BOOK I 



Ixxxi) Trees exempt from rot — from splitting; 

 researchcs as to durability of timbers ; kinds of wood- 

 worms ; wooden architecture. (Ixxxii-iv) Wooden 

 tools ; gluing timber ; sawn sheets of wood. (Ixxxv- 

 xc) Age of long-lived trees : tree planted by the elder 

 Africanus ; tree in Rome 500 years old ; trees dating 

 from the foundation of the city ; trees in the suburbs 

 older than the city ; trees planted by Agamemnon ; 

 trees dating from first year of the Trojan War ; trees 

 at Troy sho^vn from designation ' lUon ' to be older 

 than the Trojan War; ditto at Argos; trees planted 

 by Hercules ; trees planted by Apollo ; a tree older 

 than Athens ; what kinds of trees are least long- 

 lived. (xci-iv) Trees celebrated for some occurrence ; 

 parasitic plants ; plants parasitic on trees and able to 

 grow in earth — 9 kinds of these ; cadytas, hyphear, 

 steUs, hippophaestum ; nature of mistletoe and 

 similar plants ; manufacture of bird-Ume. Total : 

 1135 facts, researches and observations. 



Authorities : Marcus Varro, FetiaUs, Nigidius, 

 CorneUus Nepos, Hyginus, Masurius, Cato, Mucianus, 

 Lucius Piso, Trogus, Calpurnius Bassus, Cremutius, 

 Sextius Niger,CorneUus Bocchus,Vitruvius,Graecinus. 

 Foreign authorities : Alexander the Learned, Hesiod, 

 Theophrastus, Democritus, Homer, Timaeus the 

 mathematician. 



Book XVII. Contents: the natures of cultivated 

 trees. (i) Remarkable prices for trees. (ii-iv) 

 Eifect of cUmate on trees ; proper aspect for vines ; 

 best soil; soil enjoyed by Greece and the GaUie 

 provinces — 8 kinds. (v-viii) The use of ashes; 

 dung ; what crops enrich the soil, which em- 

 poverish it ; methods of using manure. (ix-xxi) 

 Methods of growing trees ; kinds spriuging from seed ; 



8i 



