The correct option is B Cycas (leaflet)
Transfusion tissue or Hydrostereom for conduction of water and food are found in leaves or leaflets of Pinus and Cycas. Transfusion tissue is the tissue, that is found characteristically around the vascular bundles of Gymnosperm leaves and consists of both living cells like those of parenchyma with walls, that are not lignified and thin-walled but lignified tracheids with bordered pits.