actinenchyma

[Gr. ἀκτίς ( aktis ), gen it, ἀκτῖνος ( aktinos ) = a ray of light: ev ( en ) = in; χύμα ( chum a ), οι χεῦμα ( cheuma ) = that which is poured out, a liquid, fr. χέω ( cheo ) = to pour.] Bot. Stellate cellular ti ue, the ti ue of medullary rays. ( Cooke : Manual of Botanical Terms .)