Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Phăsēlis, ĭdis, f.,  =  Φασηλίς. 
- I.  A town in Lycia, on the borders of Pamphylia, now Tekrova, Cic. Verr 2, 4, 10, § 21; Liv. 37, 23 init.
 Hence,
- B.  Phăsēlītae, ārum, m.,  =  Φασηλῖται, the inhabitants of Phaselis, the Phaselians (gen. Phaselitūm), Cic. Agr. 2, 19, 50.
- II.  A city in Judea, with a neighboring valley abounding in palmtrees, Plin. 13, 4, 9, § 44; Luc. 8, 251.
 Hence,
- B.  Phăsēlīnus, a, um, adj., of or belonging to Phaselis, Plin. 23, 4, 49, § 95.