Pak. J. Bot., 5(1): 45 55, 1973.

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			Updated: 18-07-12
	ON THE SPORES (INCLUDING GERMINATING SPORES) OF HORNEOPHYTON {HORNEA) LIGNIERI (KIDSTON & LANG) BARGHOORN & DARRAH (1938) Akhlaq Ahmed Bhutta Abstract: Spores isolated from the sporangium ot Horneophyton lignieri have been examined and their morp’.aology have been described and compared with di parsed spore types. A single sporangium of the plant contain two types of spores. Information has been obtained regarding their size ranges and variations under different conditions of preparation. Germinating spores originally reported by Lyon (1957) have been re-investigated and few of them have bjon ideitifi jI as belo o»ing to Hormop'iyton lignieri. Probable early developmental stages of gametophytes formed by these spores have been recognized. Botany Department, University College of South Wales & Monmouthshire, Cardiff., U.K.

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