The Rhipidophoridae are beetles with short elytra, the feelers pectinate in the malesandserrate in the females.
I and 25) have the terminal antennal segments pectinate, and so arranged that the comb-like part of the feeler cannot be curled up, while the elytra completely cover the abdomen.
The Norway spruce seems to have been the "Picea" of Pliny, but is evidently often confused by the Latin writers with their "Abies," the Abies pectinate of modern botanists.
Pectinate), may be taken as the type, - a lofty tree, rivalling the Norway spruce in size, with large spreading horizontal boughs curving upward toward the extremities.
As examples of the former may be named- Archaeobdella, Clessinia variabilis, Neritina liturata, Gmelina, Gammarus moeoticus, Pseudocuma pectinate, Paramysis Baeri, Mesomysis Kowalevskyi and M.
In Cynosurus (Dog's tail) -- C the pectinate involucre which conceals the spikelet is a barren or abortive spikelet.