298 SYSTEMATIC BOTANY 



GUAZUMA TOMENTOSA, Ku., is a small tree common,, 

 in Indian gardens and by road sides. The leaves are 

 simple, ovate-cordate, minutely crenate- serrate, and 

 oblique at the base. The young parts are covered 

 with a yellowish pubescence. The flowers are small, 

 but have golden yellow petals, each with a concave 

 base and divided beyond into two narrow strap-like 

 lobes. The fruit is a capsule covered with black 

 sharply angled knobs. 



HERITIERA LITTORALIS, Dry. grows by the seashore. 

 Its leaves are very thick, the flowers about J inch 

 long, companulate, and the carpels in fruit are extended 

 on one side as a wing. 



PTEROSPERMUM has winged seeds hence its name. 



TILIACE^ 



Examples : 



CORCHORUS CAPSULARIS, L., the Jute plant. An- 

 annual herb grown for the fibre which is obtained 

 from the bark. 



Leaves alternate, stipulate, petioled, oblong, acumi- 

 nate, coarsely toothed with two narrow projections at 

 the base, nearly glabrous. Venation pinnate, but in 

 addition to the mid-rib two other veins radiate from 

 the base of the blade and themselves branch towards 

 the margins. Stipules lanceolate acute. 



Flowers in short cymes, axillary to or opposite the 

 leaves, small, yellow. Sepals five. Petals five. Sta- 

 mens many, the thalamus from which they spring 

 slightly raised. Ovary two or more celled, with one 

 style placed centrally on it, bearing a cup-shaped stigma. 



