Sentence Examples with the word microspore

Germination of the microspore begins before it leaves the pollen-sac. In very few cases has anything representing prothallial development been observed; generally a small cell (the antheridial or generative cell) is cut off, leaving a larger tube-cell.

From the microspore an extremely reduced male prothallus and from the megaspore the female prothallus, develops (cf.