Miadesmia sentence example
miadesmia
- In some of the heterosporous forms (Lepidocarpon, Miadesmia) the sporangia were sometimes surrounded by an integument; and since only a single megaspore attained maturity, the structure of the megasporangium suggests a comparison with an ovule.
- Another case of a " seed-bearing " Lycopod has lately been discovered by Miss Benson in Miadesmia membranacea, a slender Selaginella-like plant from the Lower Coal Measures of Lancashire.
- The seed-like character of the organ is even more striking in Miadesmia than in Lepidocarpon.
- One such plant, Miadesmia, has already been referred to, as one of the seed-bearing Lycopods.