I think this is "bitter melon", or Momordica charantia:
Still working on the second one; will likely edit this post. My strategy was to dig around in Chinese vegetables charts over on google images until I found a likely candidate, then visit the page, get the name, and look up the plant.
ETA: Aha! http://blogs.villagevoice.com/forkintheroad/2011/03/six_unusual_fru.php
I'll be back with a genus species momentarily.