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E. robusta, a very handsome tree, with large, dark-green, shining 

 leaves. It is particularly attractive when in bud. The buds are a 

 delicate cream pink and quite large. The timber of this tree is very 

 durable and especially resistant in earth or water. It contains the 

 largest percentage of kino yet measured. For ornamental road or 

 street planting it is now the most sought of any of the eucalypts. 



E. rostrata, red gum. This tree contains a considerable proportion of 

 oil in the foliage and of fine kino in the timber. It is a highly valued 

 timber in Australia. It is a good grower and is particularly adapted to 

 very hot, dry climates. It also does well in our mild valley climates. 

 I have just successfully introduced the tree in Arizona, where a num- 

 ber of other eucalypts have failed. It is with us nearly all the time 

 covered with new growth. This is a vivid willow-green in color. The 

 particularly agreeable odor of the leaves is an additional attraction. 



E. leucoxylon, var. rosea. This tree has two distinct forms — one with 

 green foliage and pink flowers and the other with silver-gray foliage 

 and pink flowers. Both have a deep-red persistent bark. The silver- 

 gray is far the more striking. The timber of this tree is exceedingly 

 durable and is stronger than English oak (Laslett). 



We have two other forms of E. leucoxylon here. One has rough red 

 bark, green foliage, and white flowers. This is a very shy bloomer, 

 while the others are all free flowering. The other form has a white, 

 smooth bark, from decortication; green foliage; and, besides, grows 

 differently. The first three are strong, single-stem trees, while the 

 last, or white bark one, grows larger, but tends to branch low and 

 make several stems. I feel sure that some of these varieties should 

 have specific rank. The silver-leafed E. leucoxylon with pink flowers 

 is extensively planted for ornament. 



E. polyanthema is also planted for ornament. It has round leaves of 

 silvery blue color. 



E. JissifoUa is extensively sought for its dark-green leaves and mag- 

 nificent crimson flowers. It is to be noted that our seedling E. Jissifolias, 

 vary sometimes in flower color, the range being pink, orange, crimson, 

 and magenta. 



E. maculata, var. citriodora, is planted for the delicate fragrance of its 

 foliage. The timber of this tree is valuable. 



The most successful of these trees in California are E. corymbosa, 

 blood wood; E. resinifera, red mahogany; E. diversicolor, karri; E. calo- 

 phylla, South Australian red gum; E. botryoides, bastard mahogany; 

 the scarlet-flowered E. JissifoUa, for ornament only; E. corynocalyx, 

 sugar gum, for dry soils; and E. robusta, swamp mahogany, for heavy, 

 damp soils and as an ornamental shade tree for streets. 



Reports from the Exotic Nurseries of Seven Oaks, Florida, speak of 

 E. robusta and E. resinifera as growing the fastest there. It is reason- 

 able to presume that this type of foliage would be more favorable to the 

 climate of Florida than that of the equally green group, doubtless 



