358 



Transactions. — Botany. 



and Araiicaria excelsa. 

 years' growth : — ■■ 



Tree. 

 Pinus insignis 



radiata 

 muricata 



P. canariensis 



P. pineaster 



Pinus pinea (Stone Pine) 



n • • 



P. sylvestris (Scotch Fii-) 

 J) • • 



P. longifolia 

 P. pumilo 



The following are the results of barely thu:teen 



These are very difficult to dis- 

 tinguish until they come, and 

 even then insignis and insig- 

 nis var. are difficult, their 

 cones heing so variable. All 

 lopped to 6ft. from ground. 



Lopped to 6ft. 



This tree grown amoi%st P. 

 pineaster may account for its 

 greater height and less girth. 

 Lopped to 6ft. 



Lopped to 4ft. 



Not lopped. 



A large number of them, all 



lopped to 6ft. from ground. 

 Lopped 5ft. 

 Not lopped. 



Height. 



Girth. 



Ft. iu. 



Ft. in. 



58 



7 6 



59 



6 2 



44 6 



5 10 



54 



6 6 



40 



6 



49 



6 6) 



32 



4 6 



35 



3 7 



27 

 22 

 32 



30ft to 35ft. 



4 4 



27 

 20 



19 

 21 



21 



4 

 5 



Silver Tree ( Leucodendron argenteum) 27 



29 

 Cupressus macrocarpa 



C. torulosa 



C. laiosoniana 



C. sempervirens (spreading) 



)) • • 



Abies excelsa (Spruce) 



Cedrus deodara 

 C, atlantica 



C. Iiba7ii 



Araucaria excelsa (Norfolk Is. Pine) 



)» 

 Sequoia gigantea (Wellingtonia) 



II 



Taxodium sempervirens (Redwood) 

 Ficus lucida 



Podocarpus totara (Totara) 

 Weeping-willow (cutting planted 



autumn, 186 — ) 

 Upright Poplar (10ft. high when 



planted) 





 





 6 





 6 

 

 

 

 

 

 

 

 

 



25 

 21 



q ( Both these are probably slightly 



20 

 17 

 13 

 35 



2 



1 8 

 1 

 1 

 3 



\ crippled from too close proxi- 

 ( mity to insignis and radiata. 

 (Taken 30th June). 



Branching from ground. 



Cut down. 



Lopped to 6ft. from ground. 



Dense foliage to the ground. 



(Probably stunted from proxi- 

 \ mity to P. insignis. 

 f Leader twice broken off. Lop- 

 { ped 5ft. 



Very graceful trees. 



35 



17 

 23 

 28 

 28 

 15 



42 

 40 



7 



4 



1 Lopped to 6ft. high. 



r (Not lopped, but a little more 



I exposed. 

 ] Slow growing at first, but making 

 10 J a thick butt. 

 6 Lopped to 6ft. high. 



3 

 3 

 3 

 2 

 1 4 



6 4 ] Taken 30th June, 1879. 

 4 3 Several of them. 



My experience shows me that lopping the lower branches promotes 

 growth in height, and, by allowing a free cu-culation of air from below, 

 checks the ravages of red spider, thrip, and other insect pests. 



