This section is from the book "Plants And Their Uses - An Introduction To Botany", by Frederick Leroy Sargent. Also available from Amazon: Plants And Their Uses; An Introduction To Botany.
Part 155. The monocotyl subclass (Monocotyledones) is made up of seed-plants having a monocotyledonous embryo, endogenous stem, and mostly parallel-veined leaves. Together with the dicotyl subclass they constitute.
Part 156. The case-seed class (Angiospermae) which includes all the flowering plants forming their seeds in a case or ovary consisting of one or more carpels-or in other words-all that have an angiospermous 1 gyncecium. Nearly all seed-plants belong to this class.
1 An"gi-o-sperm'ous - Gr. aggion, a vessel; sperma, seed.
 
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