. Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. Natural history. The Freshwater Algae of Africa. 583 from the base to the apex (Fig. 38, A and G), and, amongst these, comes nearest to D. baueriana (Grun.), Bornet et Flahault and D. olivacea (Hooker), Bornet et Flahanlt ; from the former it differs in. t'ni. 39.— Vichothrix spiralis,n. sp. A. View of an entire (small) plant to show the genera] habit. />'. Small portion more strongly enlarged. C. Base of a trichome, with a heterocyst. D. Part of a filament 1" show the frequent spiral coiling of the trichomes.
. Annals of the South African Museum. Annale van die Suid-Afrikaanse Museum. Natural history. The Freshwater Algae of Africa. 583 from the base to the apex (Fig. 38, A and G), and, amongst these, comes nearest to D. baueriana (Grun.), Bornet et Flahault and D. olivacea (Hooker), Bornet et Flahanlt ; from the former it differs in. t'ni. 39.— Vichothrix spiralis,n. sp. A. View of an entire (small) plant to show the genera] habit. />'. Small portion more strongly enlarged. C. Base of a trichome, with a heterocyst. D. Part of a filament 1" show the frequent spiral coiling of the trichomes. A x GO ; B x 330; C and D, x 660. the character of the sheath and the absence of a terminal hair to the trichomes, from the latter in the same respects, as well as in the nature of the cell-contents. 2. Dichothrix spiralis, n. sp. (Fig. 39.) Filis in caespites irregtilares ad 1500 fi longos aggregatis, plantis affixis, e basi angusta patescentibus; lilis et pseudoramis pins minus. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum; South African Museum. Annale van die Suid-Afrikaanse Museum. Cape Town [etc. , South African Museum, etc. ]
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
