Licmophora Ag. (1827)
(licmos, a fan, and phoreo, I bear)
Frustules wedge-shaped, joined together into fan-shaped, stipitate fascicles. Valve cuneate, rounded at both ends, septate. Chromatophores granular, round or oval in our species.
ANALYSIS OF SPECIES
(In accordance, so far as it relates to our species, with the classification of C. Mereschkowsky, Diagnoses of New Licmophoræ, Nuova Notarisia, 1901.)
| Placatæ—valve narrow, striæ very fine, septa superficial | flabellata |
| Dubiæ—valve bacilliform, septa shallow, frustule with thick walls | ovulum |
| Paradoxæ—valve with lower end produced, striæ fine, pseudoraphe distinct, septa deep | paradoxa gracilis tincta baileyi ? |
| Lyngbyeæ—valve narrow, attenuated at both ends, distinct, septa deep | lyngbyei |
| Peristriatæ—valve broad, pseudoraphe wide, striæ robust | ehrenbergii |
LICMOPHORA FLABELLATA (CARM.) AG.
Frustule elongate, narrow; valve narrow, lanceolate-cuneate, enlarged at the base; striæ very fine, 30 in 10 µ.
Echinella flabellata Carm.
Licmophora splendida Wm. Sm.