18 



cluing the miasmatic exhalations of the Pontinian swamps, as mentioned 

 in a letter of this highly distinguished prelate to the author of this 

 work under date of 17th December 1879: 'The Eucalyptus Globulus was 

 first raised in the Campagna from seeds, kindly presented to me by you, 

 on my visit to Rome in 1869, to attend the Vatican General Council. I 

 handed the seeds to the Superior of the Trappist -Monks, who then oc- 

 cupied the monastery and grounds of the Tre Fontane, a most fever- 

 stricken locality. On my next visit to Rome, made a few years later, I 

 had the pleasure to see the good results of your kind and thoughtful 

 presentation in the vigorous growth of many Gum-trees, acting most 

 wholesomely on poisonous air of that part of the Campagna. The reli- 

 gious able clever men, chiefly French, >were most grateful for the gra- 

 cious gift/ Thus through the enlightened cir cum spec tness of the dig- 

 nified chief of an ancient church, the sanitary improvements on the 

 fever-swamps were initiated with prospects of that permanency, for 

 which plans and works of drainage since the time of Appius Claudius 

 (long before the Christian era) had vainly striven, and in the prosecu- 

 tion of which the overpowering force of nature had baffled the exertions 

 of Julius Caesar, Trajanus and many of the subsequent ruler of Rome up 

 to recent history." Yon Mueller in Eucalyptographia. 



E. acmenoides, Schauer, " White Mahogany," Tropics and beyond. 



The wood is heavy, strong, durable, of a light colour, and has been 

 found good for palings, rails, flooring-boards, battens and many other 

 purposes of house-carpentry. 



E. citriodora, Hook. "Lemon-scented Eucalyptus." Succeeds in 

 Bengal, Lucknow, Zanzibar, and particularly adapted for a tropical 

 jungle climate. Tropics and beyond. 



Supplies a useful timber. 



E. corymbosa, Smith. " Bloodwood Tree." On dry ridges and hills 

 or in open forest ground, ascending to considerable mountain-elevations. 

 Tropics and beyond. 



A dark reddish wood, soft when fresh, but very hard when dry ; very 

 durable underground, and therefore extensively used for fence posts 

 rails, railway sleepers, and rough building purposes. Fence posts from 

 this tree showed hardly any decay after 40 years, but it is too much tra- 

 versed by kino to serve for sawn timber. 



E. crebra,¥.YM. " Narrow-leaved Iron Bark Tree." Chiefly on 

 scrubby ridges, and near the sea-shore. Tropics and beyond, 



"Wood reddish, hard, heavy, elastic and durable ; much used in the 

 construction of bridges and for railway sleepers, also for wagons, piles, 

 fence posts. Bearing an enormous strain. 



E. microcorys, F.v.M. " Wangee." In forest country or on arid or 

 even sandy hills along the coast side of the ranges, descending to their 

 base. Tropics and beyond. 



Wood very durable, also underground ; used for naves, felloes and 

 spokes, also for lasting railway cross-ties. Suitable for culture in hu- 

 mid tracts. 



E. microtheca, F.v.M. Occupies hilly as well as flat ground and even 

 dry sandy places, widely distributed through the interior of Australia, 

 it is one of the largest trees in the desert tracts ; and is suited to coun- 

 try subject to floods. Tropics and beyond. 



Wood brown, sometimes very dark, hard, heavy and elastic ; it is 



