For phylogenesis, Halliday has a number of chapters on the evolution of
scientific discourse in M A K Halliday & J R Martin 1993 Writing Science.
Pittsburg: University of Pittsburg Press & Falmer: London.
Less technically, there's M A K Halliday 1993 Language in a Changing World.
Applied Linguistics Association of Australia Occasional Paper 13 (order
from Anthony Liddicot, Linguistics, Australian National University,
Canberra, ACT 0200.
More technically there C Nesbitt & G Plum 1988 Probabilities in a
systemic-functional grammar: the clause complex in English. R Fawcett & D
Young [Eds.] New Developments in Systemic Linguistics: Volume 2: Theory
and Application. London: Pinter.
For ontogenesis, the most extensive treatment is C Painter 1984 Into the
Mother Tongue. London: Pinter.
For logogensis, there's a compilation of systemic work on discourse
elaborated in J R Martin 1992 English Text. Amsterdam: Benjamins.
For a computational perspective see C Matthiessen & J Bateman 1991 Text
Generation and Systemic-Functional Linguistics. London: Pinter.
Matthiessen's new Lexicogrammatical Cartography 1996 Tokyo: International
Language Sciences Publishers contains lots of relevant material.
Jim Martin