These delightful little yellow spheres are actually a weed called stinknet. I never got close enough to see if they deserved their name, but my wildflower book assures me they do. I found them on the grounds of the old El Toro Marine Corps base, which is now being converted into a gigantic park.
![](https://adops.motherjones.com/wp-content/uploads/2019/05/blog_lunchtime_stinknet_great_park.jpg)