18a. The white poplar tree from the latin for white (5 letter)
30a. Name applied to the brightest star of a constellation (5 letters)
34d. Indo-Aryan language of the eastern group ( 5 letters)...
25a. Sermon or discourse on a moral or religious topic, usually intended to modify behaviour (6 letters) 4d. middle of the three layers of the eyeball consisting of the choroid, ciliary body and iris...
12a. Any moth of the family that includes the ermines and tiger moths (7 letters) a??t??d 8d. burning torch, especially one carried in a night time procession (8 letters) ?l??b?a? 19d. Industrial city...