PJB-1997-20
OBSERVATIONS ON GELIDIUM PUSILLUM (STACKH.) LE JOLIS (RHODOPHYTA) FROM THE COAST OF PAKISTAN
SYED AFAQ-HUSAIN AND MUSTAFA SHAMEEL
Abstract
The vegetative, anatomical and reproductive structures of the Pakistani populations of Gelidiurn pusillurn (Stackhouse) Le Jolis have been investigated. The plants showed distinctive features with turf or cushion forming habit; upto 11 mm in length and appear distinctly segmented in microscope; primary erect fronds tereto-compressed below becoming flat in the upper half; random arrangement of surface cells as well as tetrasporangia; tetrasporangia borne in stichidia-like structures as well as on the tips of branch fronds; sexual plants not found; and abundance of rhizines.
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