Phycologia australica; or, A history of Australian sea weeds ..and a synopsis of all known Australian Algae .. . :voa&, J]r:i Ser. Rhodosperme^. Fain. Gelidiacea. Plate LXXIV. DICRANEMA REVOLUTUM, /. Gen. Char. Frond terete, dichotomous, formed of three strata; the me-duUarij stratum of slender, closely packed, longitudinal filaments;the intermediate of angular cells, smaller towards the circumference,and the cortical of vertically seriated, minute, coloured : 1, hemispherical conceptacles, containing within athick pericarp, pedicellate, obovate spores attached to a


Phycologia australica; or, A history of Australian sea weeds ..and a synopsis of all known Australian Algae .. . :voa&, J]r:i Ser. Rhodosperme^. Fain. Gelidiacea. Plate LXXIV. DICRANEMA REVOLUTUM, /. Gen. Char. Frond terete, dichotomous, formed of three strata; the me-duUarij stratum of slender, closely packed, longitudinal filaments;the intermediate of angular cells, smaller towards the circumference,and the cortical of vertically seriated, minute, coloured : 1, hemispherical conceptacles, containing within athick pericarp, pedicellate, obovate spores attached to a parietal fibro-cellular placenta (formed from the medullary stratum); 2, zonatetetraspores, lodged in the swollen (pod-like) tips of the branches.—DiCRANEMA [Sond.), from StKpavov, aforlc, and vmia, a thread. Frons teretiuscula, dichotoma, stratis tribus eontexta. Stratum medidlare exJitis tenuibus densis; intermedium celiulis rotundato-angidatis,exterioribiis mlnoribus ; corticate cetlulis minimis coloratis vetticaliter : 1, cijstocarpia liemisphm-ica intra pericarpi


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Keywords: ., bookauthorharveywi, bookcentury1800, bookdecade1850, bookyear1859