Photo: Diane Edwardson, April 4, 2012. I have no idea which species of "Puffball" mushroom are growing on the Red Car Property between India St and the Silver Lake Ave Public Staircase. (Click on photo to enlarge.)
The larger one (foreground) is similar in size and appearance of a cantaloupe.
Learn more about mushrooms: MykoWeb
Disclaimer: The Corralitas Red Car Property Blog prefers to quote reliable sources, such as Calflora and California Poison Control, on the issue of toxicity. We often get email suggesting some plants are edible. If you are eating your way through the Red Car Property, we DO NOT recommend you eat any plant you find in the Red Car Property neighborhood without first doing your own research.