Micro spermæ (mikrosperme)

pl. [NL. (Bentham and Hooker, 1883), (the frog's-bit family), Burmanniaceæ , and Orchideæ (the orchid family), including about 5,090 species, 5,000 of which belong to Orchidee. Microsphæra (mī-krō-sfērā), n. [NL. (Leveillé, 1851), In some of the living club-mo es there are two kinds of spores, one being much larger than the other. The larger are known as macrospores, whilst the smaller are called microspores. Huxley, Physiography, p. 241. 2. In zool., one of the spore-like elements, of exceedingly minute size, but very numerous, produced through the encystment and subsequent subdivision of many monads. microsporine (mi-kro-spo'rin), a. [