Browsing by Supervisor "Van der Schijff, H.P."

Browsing by Supervisor "Van der Schijff, H.P."

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  • Die plantekologie van Richardsbaai, Natal 
    Venter, Hendrik Johannes Tjaart (University of Pretoria, 1972-11)
    Afrikaans: Die studie het as doel gehad 'n beskrywing en ontleding van die plantegroei van Richardsbaai, 'n bepaling van die invloed van die omgewing op die plantegroei en n vergelyking van die Richardsbaaiwoude met die ...
  • A monograph study of the genus Widdringtonia endl. 
    Marsh, Judith A. (University of Pretoria, 1965)
    The Gymnosperms in the Republic of South Africa are represented by five indigenous genera, one of which is Widdringtonia Endl. Widdringtonia generally occurs on eastern mountain ranges and their subsidiary mountain ...
  • 'n Embriologiese studie van Suid-Afrikaanse melianthaceae 
    Steyn, Elsie Magdalena Adriana (University of Pretoria, 1977)
    The embryology of Bersama transvaalensis Turrill, Greyia sutherlandii Hook. & Harv. and Melianthus major L. was studied. In the phyllosporous taxa, G. sutherlandii and M. major the placentation of the ovules is parietaI, ...