Shade Gardening: 'Spring' (?) planting ..., 1 by Weerobin

Weerobin wrote:
#1 is ladyslipper (cypripedium parviflora v. parviflora). Planted last fall, just it's first year. Looks good, so far.
#2 is the strange under-leaf flower of podophyllum delavayii. Beautiful marbled leaves are it's most ornamental feature.
#3 is arisaemia ringens. Huge glossy leaves. Looks great in the woods.
#4 is my mystery plant - I can't find the tag. Looks a little like an allium, but I'm sure it's not.
If anyone knows what it is, I'd of course like to know it's ID.
It has suddenly gone from the 60's to the 90's, so I suspect spring is over.
Things slow down in my woodland as the temperatures rise.
I'll check things out again this weekend to see if anything's still blooming.