Casting (epiripsantes). First aorist active participle of epiriptō, old verb, to throw upon, in N.T. only here and Luk 19:35 (casting their clothes on the colt), here from Psa 55:22. For merimna see Mat 6:25, Mat 6:31, Mat 6:34.
He careth (autōi melei). Impersonal verb melei (present active indicative) with dative autōi, “it is a care to him.” God does care (Luk 21:18).