BOOK I 



fcrees wliose foliage clianges colour : poplars, 3 kinds ; 

 foliage that clianges shape of leaf ; foliage tliat 

 yearly turns round ; palm-leaves, cultivation 

 and use of; remarkable foliage. (xxxix) Process 

 of growth in trees grown from seed. (xl) Non- 

 flowering trees : the junipers. (xli-1) Concep- 

 tion, germination and parturition of trees ; order 

 of flowering ; the husk ; date of bearing of the 

 various kinds, trees that bear yearly, three-yearly ; 

 trees that do not bear fruit ; trees believed un- 

 lucky ; trees that lose fruit or flower most easily ; 

 which kinds do not bear in which places ; method of 

 bearing of the various kinds ; kinds that bear fruit 

 before fohage ; kinds that bear twice a year, thrice 

 a year. (li) Which age most rapidly, which least 

 rapidly ; early ripening and late ripening fruits. 

 (lii) WTiich kinds have products of more than one 

 sort : the kernel of the box. (hii-vi) Diflferences of 

 trees in trunks and boughs : the lotus or date plum ; 

 boughs, bark, roots. (Ivii f.) Instances of trees rising 

 again of their own accord ; spontaneous generation 

 of trees, modes of. (lix-lxi) Differences of nature 

 not generating all kinds everywhere ; places where 

 particular kinds do not grow ; cypresses ; growth 

 from the earth of entirely novel kinds a fre- 

 quent occurrence. (Ixii) Ivy, its 20 kinds. (Ixiii) 

 Bindweed. (Ixiv-lxxi) Water plants : canes ; reeds, 

 28 kinds ; reed arrows, reed pens, reed pipes ; the 

 bird-catcher's and fisherman's reed of Orchomenus ; 

 the vine-prop reed; the alder; the willow, its 

 7 kinds ; other plants useful for ties ; bulrushes, 

 rushhghts, canes, thatch ; elders, brambles. (Ixxi f.) 

 Sap of trees. (Ixxiv-vii) Nature of timbers ; wood- 

 cutting ; sizes of trees ; the pine ; charcoal. (Ixxviii- 



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