Lappula occidentalis  Stickseed
EPHEMERAL ANNUAL.  An inconspicuous weedy plant with tall thin stems, narrow fuzzy leaves, tiny light blue to white flowers, and spiny, five-sectioned seed capsules..  Two varieties, distinguised by the shape of the seed capsules:  var. occidentalis has capsules shaped like pointed domes, with two rows of long spines on each section; var. cupulata has the margins of each section inflated , with much shorter spines.  Both varieties may be found growing together, though var. occidentalis is more common.  Blooms March-May; gone by June.  Common on disturbed ground, sand washes, etc.
FAMILY:  Boraginaceae (Forget-me-not Family)