We were somewhere around Barstow, on the edge of the desert, when the
drugs began to take hold. I remember Shortbread saying
something like:

I need some help.

Thanks to all for your suggestions.
Availability in the local florists is quite sparse, but I've found a
tray of potted primulas of various colours which will do the job nicely.
I just hope the flowers don't drop off before I get them there - she'd
laugh her socks off at that.