a. [f. L. cygn-us swan: cf. L. cycnēus, cygnēus of a swan.] Swan-like; in Bryology, curved like a swan’s neck.
1880. R. Braithwaite, Brit. Moss-Flora, I. 192. Phascum curvicolle … perichætium rufous-purple, oval with a short apiculus, on a pale cygneous pedicel.
