Canna-Frista. 
SYNONYM: Canna-fistula. 
CLASSIFICATION: Cassia ferruginea Schrad. 
Order: Leguminosae. 
DESCRIPTION: Trunks from 8 to 10 metres long and from 
60 to 80 cms. diameter. Colour light-red, with darker patches. 
Coarse grains, in spite of which fact the timber is compact 
and arranged in regular layers. Very hard to cut. 
SPECIFIC GRAVITY: From 1,190 to 1,240 kgs. 
USES: Exterior-work. Bridges, beams. Is of first-class quality. 
Is not suitable for flooring and joints on account of shrink- 
ing. Very beautiful surface for polishing. 
The bark is used for tanning, imparting a light colour 
to the leather. 
The alburnum is also applicable to building work. 
HABITAT: Sierra del Mar. The valleys of the Mogy-Guasst 
and Tieté. 
OBSERVATIONS: A tree of large growth, very branching and 
leafy. Leaves small and wide. The fruit contains very small 
seeds. ' ; 
' Tt is regarded as patron of the wilds. 
Canudo. 
SYNONYMS: Pao canudo. Canudeiro. 
CLASSIFICATION: Carpotroche brasiliensis Endl. 
Family: Flacourtiaceae. 
DESCRIPTION: Trunks from 4 to 5 metres in length and 25 
to 30 cms. in diameter. 
Colour dark-brown with black patches. 
A large cavity is formed throughout the centre of 
the trunk. 
Very hard to cut. 
USES: Bridges and posts; dry situations. It cannot be used for 
other purposes on account of the central hollow. 
The bark is used for tanning, and has medicinal proper- 
ties acting as an antifebrile. 
HABITAT: In the valley of the Alto Parahyba and_ Sierra 
del Mar. 
OBSERVATIONS: A low tree short branches. On the higher 
branches the leaves are of a bright green colour on the 
back and brown on the front, or upper surface. Flowers 
brown, small and in clusters. The fruit is a brown capsule. 
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