+Germination+ 249

Testa and its various forms—Collomia—Axis, tigellum, hypocotyle—Centre of growth—Double embryo—Three conditions required for germination—Varying time in different plants— Cedar of Lebanon—Railway-bank flora—Broad beans—Cress seed— Tillandsia—Collecting seedling trees—Fern and moss spores— Prothallium—Archegonium—Antheridium germ cells—Capsular fruit of mosses—Protonema.