The Collaborative International Dictionary of English v.0.48:

Spermophyta \Sper*moph"y*ta\, n. pl. [Nl., from Gr. spe`rma a
   seed + fyto`n a plant.]
   Plants which produce seed; phaenogamia. These plants
   constitute the highest grand division of the vegetable
   kingdom.
   [1913 Webster]