Although the function of the indusium is not known definitively, it may visually entice insects not otherwise attracted by the odour, and serve as a ladder for crawling insects to reach the gleba.
22.
According to the infrageneric reticulate cap surface with pinkish ridges, and no indusium ( a lacy " skirt " hanging from the cap, present in some " Phallus " species ).
23.
Some authors have considered the presence of an indusium ( a lacy " skirt " that hangs beneath the cap ) to be an important taxonomic characteristic, and have placed taxa with indusia in a separate genus " Dictyophora ".
24.
The sporangia ( the fern's spore-bearing structures ) are borne on the underside of the leaf beneath the false indusium, a trait found in all members of " Adiantum " and not in any species outside it.
25.
Members of the order generally have large, highly divided leaves and have either small, round intramarginal sori with cup-shaped indusia ( e . g . " Dennstaedtia " ) or linear marginal sori with a false indusium formed from the reflexed leaf margin ( e . g . " Pteridium " ).
26.
Curtis Gates Lloyd described the form with a pink-coloured indusium was reported by Vincenzo de Cesati in 1879 as " Hymenophallus roseus ", and later called " Dictyophora indusiata " f . " rosea " by Yosio Kobayasi in 1965; it is synonymous with " Phallus cinnabarinus ".
27.
It attracts flies from the genus " echinulate ) surface, and its higher preferred growth temperature of . " P . luteus ", originally considered a form of " P . indusiatus ", has a yellowish reticulate cap, a yellow indusium, and a pale pink to reddish-purple peridium and rhizomorphs.
