So far as at present known, this is a monotypic genus. Leaves linear, whorled. Male cones small, sessile, terminal. Female cones ultimately pedunculate; scales broad, rounded, entire, coriaceous, persistent; bract short, broad. Seeds winged, 7 to 9 under each scale. The name is a compound of a parasol, and a Pine-tree, in allusion to the disposition of the leaves resembling the framework of an umbrella.

1. S. verticillata. Umbrella Pine. - A large evergreen tree from 50 to 150 feet high, according to situation. Leaves from 2 to 4 inches long, and about 2 lines broad, linear, obtuse, glabrous, from 20 to 40 in each whorl. Cones solitary, from 2 to 3 inches long. This singular and beautiful tree is a native of Japan, and quite hardy in this country. It was introduced into Europe in 1861.