Jennings: Manual of Mosses 309 



Confluent, merging together. 



Constricted, contracted somewhere below the top or apex. 



Cordate, heart-shaped. 



Cortex, the outer baric or specialized layer. 



Cortical, referring to the cortex. 



Costa, the midrib or mid-vein of the leaf. 



Crenate, with rounded teeth. 



Cribrose, perforated more or less sieve-like. 



Crispate, variously curled and bent. 



Cuctillate, hood-like. 



Cultrijorm, curved like a short, wide scimitar. 



Cuneate, wedge-shaped. 



Cuspidate, tipped with a sharp and rigid point. 



Cuticular, belonging to the outermost skin. 



Cygneous, abruptly down-curved like a swan's neck. 



Cymbiform, the whole leaf more or less boat-shaped. 



Decumbent, reclining but with the apex ascending. 



Decurrent (leaves) with the borders extending down the stem below the insertion. 



Dehiscent, splitting open. 



Dendroid, tree-like in form. 



Dentate, toothed with outwardly directed teeth. 



Denticulate, minutely toothed. 



Deoperculate, (capsule) with the lid fallen off. 



Dextrorse, twisted to the right as the threads of the ordinary screw or bolt, used in the 



opposite sense by some authors. 

 Dimidiate, split on one side. 

 Dimorphous, with two forms. 



Diotcous, with the antheridia and archegonia on separate plants. 

 Discoid, disk-shaped as in some male inflorescences. 

 Distichous, in two opposite rows, two-ranked. 

 Divaricate, widely diverging or spreading. 

 Divisural (Line), the median line running up and down the teeth of the peristome and 



often zigzag. 

 Ducts, applied to the narrow chlorophyllose cells in the leaves of the Sphagnums. 



Ecostate, without a costa. 



Emarginate, apically notched. 



Emergent, applied to capsules rising slightly above the perichaetial leaves. 



Exannulate. with no annulus. 



Erose, irregularly notched. 



Excavate, applied to leaf-insertions hollowed out in a more or less definite curve. 



Excurrent, with the costa extending beyond the apex of the leaf. 



Exothecial, the outer layer of cells of the capsule-wall. 



Exserted, projecting beyond, as a capsule rising beyond the perichaetial leaves. 



Falcate, scythe-shaped, flat, gradually tapering and curved. 

 Falcate-secund, falcate and turned to one side of the stem. 

 Fasciculate, m close and usually short clusters; usually applied to short, unequal, lateral, 



bunched branches. 

 Fastigiate, with branches erect, near together, and more or less equal in height. 

 Fenestrate, furnished with openings. 

 Fibrtllose, applied to hyaline cells of Sphagnum in which the walls are lined with fine 



fibrils or filaments. 

 Filiform, thread-like. 

 Fimbriate, fringed. 

 Flagelltjorm, lash-like or whip-like. 



