Coco (Cocoanut Tree), Zanthoxylum Coco, Gill.—From 10 to 12 metres in height by 0·75 metre in diameter. The wood is very pretty and fine, valued for elegant furniture. To be sown in rows, furrows or small holes as an auxiliary in mixed woods and plantations in the 1st and 2nd regions.
Urunday, Astronium juglandifolium, Grisb.—A splendid tree from 25 to 30 metres in height by 1·50 metres in diameter, common in the Chaco. Its timber is very hard and richly coloured, it is used for furniture, ship-building, etc. One of the best kinds for stock and reafforestation in the first region. Multiplies naturally from seed if care be taken to leave a few trees standing at suitable distances for producing seeds, which scatter easily. In the warm valleys of the 4th region, as well as in the 2nd, to be sown in furrows with other auxiliary species for afforestation.
Alder Tree, Alnus ferruginea, Kth.—From the Northern Andean region, where it grows to a height of 15 metres by 0·75 metre in diameter. Gives white, very easily worked, damp-resisting timber, used for joinery work. A good auxiliary kind for afforestation in 1st, 2nd, 4th and 7th regions. To be sown in rows, in furrows or in plots with other species, one being the stock tree.
Native or Red Willow, Salix Humboldtiana, Witti.—15 metres in height by 1 metre in diameter. Grows well in all regions where the eucalyptus does not freeze, gives timber for carpentry and multiplies from seed. A good auxiliary in mixed woods and timber for cutting, and for reafforestation on damp soil, where it is planted from twigs towards the end of the winter. For afforestation it is sown in plots when the seeds are ripe, in regions 4 and 7 and the more temperate part of region 3.
Southern Pine, Araucaria imbricata, R. and P.—A tree 50 metres in height of our southern forests. Its timber is equal to the best pine, and it is one of the best stock kinds in the 6th region. To be sown in rows or in little holes when the seeds drop naturally in the 5th and 6th regions.
Misiones Pine, Araucaria brasiliensis, A. Rich.—This conifer grows to a height of 50 metres by 1 metre in diameter in certain valleys of the northern regions 1, 2, and part of 3, 4, 7 and 8, as far as Mar del Plata. Its timber is equal to that of the pine, it is used for joinery and building. Sown like the preceding tree.
Cypress, Libocedras chilensis, Endl.—From the Andes, where it grows to a height of 25 to 30 metres by 0·70 metre in diameter. Its wood is fine and excels for furniture and veneering. A good auxiliary kind for the dense woods of the south.
Chief Species of Exotic Forest Trees Grown in the Country
Fir, Abies Nordmanniana, Spach.—From Asia Minor, where it grows to a height of 40 metres by 1·50 metres in diameter at least, 5th and 6th regions, in tall woods consisting of firs alone.
Acacia Olive, Acacia melanoxylon, R. Br.—From Australia, where it attains a height of 15 to 20 metres by 1 metre in diameter; very branchy, and giving very hard wood known as iron wood. A good stock kind in acacia, mimosa and laurel groves in regions 4, 5, 7 and 8, as far as Mar del Plata. To be sown in rows or in furrows.