SPECIFIC GRAVITY: Guatambii amarello: From 750 to 796 
kilogs.; Guatambii vermelho: From 815 to 900 kgs. 
RESISTANCE: Guatambi amarello: To crushing: 529 kgs.; to 
bending: 1,428 kgs. 
Guatambti vermelho: To crushing: 421 kgs.; to bend- 
‘ing: 798 kgs. 
USES: Ship-building, dwellings, etc. Chairs. Polished work. Makes 
very flexible flooring. The wood of the branches is used for 
agricultural implements and walking-sticks. The Guatambii 
vermelho is superior to the Guatambii amarello and makes 
a sleeper of third-class quality, lasting 5 years. 
HABITAT: Sierra del Mar. Valley of the Tieté. Is met with 
in all parts of the State. 
OBSERVATIONS: Tree of large growth, erect with few branches. 
Leaves large and broad. Fruit large with cavities. Bark 
smooth. 
Guayaruva. 
Cecropia concolor W. Family: Euphorbiaceae. Order: 
Tricoccae. 
A tree of erect growth, branching but with little foliage. 
Bark smooth like that of the Goiabeira. Interior work, 
wooden bowls for water. Wood white to yellow, very 
uniform. Grain fine and straight. Flowers white, isolated 
and small. 
Guayuvira. 
DESCRIPTION: Trunks from 6 to 8 metres in length and 60 
to 80 cms. in diameter. 
Colour black with patches. Grain fine. Large layer of 
alburnum, of dark yellow colour, making handsome mark- 
ings in the wood. 
Very hard to cut. 
SPECIFIC GRAVITY: From 1,045 to 1,145 kgs. 
USES: Carriages. Chairs and other furniture. Turning, wooden 
parts of tools. Work exposed to weathering. Beautiful 
surface for polishing. 
HABITAT: Valley of the Mogy-Guassti and of the Tieté, being 
rarely found in other parts of the State. 
OBSERVATIONS: A high tree, branching freely and with large 
top, the branches growing from near the root. Leaves of 
