1) Chlamys 2) Cover 3) Covering 4) Floral envelope 5) Natural covering 6) Perianth 7) Perigonium 8) Plant organ 1) Chlamys 2) Perianth 3) Perigonium 
• (n.) Any organ inclosing the essential organs of a flower; a perianth. • (n.) A sac which surrounds the generative bodies in the gonophore of a hydroid. • (n.) In mosses, the involucral bracts of a male flower.
Per'i·gone noun [ Prefix peri- + Greek ... productive organs.] 1. (Botany) (a) Any organ inclosing the essential organs of a flower; a perianth. (b) In mosses, the involucral bracts of a male flower. 2. (Zoology) A sac which surrounds the generativ...