On Cacti Spine Symmetry Groups and Mathematical Horticulture

[James Propp]

>> I would like to order this magazine: !
>> J. C. P. Muller and W. T. Gardner, On Cacti Spine Symmetry Groups, 
>J. Math. Horticult. 17 (1995), 862-877.
>
>Maybe they have historical anecdotes or recipes, too?
>Hmm, is there something like Math. Cook.?

Well, David Griffeath does operate something he calls the Primordial Soup
Kitchen, which serves up, free of charge, a healthy stew of pictures and 
programs from the field of cellular automata, as well as recipes of a more
traditional kind:

	http://psoup.math.wisc.edu/kitchen.html

The site does indeed feature some of the work of Mat(t)h(ew) Cook!

Jim Propp