438 
THE SEAWEEDS 
Concolor. — Uniform in colour. 
Confervoid. — Composed of threads; the old name for a group of filamentous 'Chloro- 
phyceae. 
Confluent. — Blended into one. 
Connate. — United into one body. 
Coriaceous. — Stiff-like leather or parchment. 
Corneous. — Having a horny texture. 
Corniculate. — Furnished with a small horn or horns. 
Coronate. — Crqwned; having a corona. • 
Cortex; — The outer layer (bark or rind) of plant tissues, differing from the internal 
tissues. 
Corticatei — Covered with a cortex. 
Corymb. — A flat topped or convex and open flower-cluster. 
Corymbose. — Arranged in corymbs. 
Costa. — A rib or vein, especially the mid-rib. 
Crenate. — Scalloped, crinkled. 
Crispate. — Curled. 
Cristate. — Crested. 
Cruciate. — Cruciform, arranged in the shape of a cross. 
Crustose. — Hard, brittle. 
Cultrate. — Knife-shaped; sharp edged and pointed. 
Cuneiform. — W edge-shaped ; triangular. 
Cuticle. — The outermost skin or pellicle of a plant. 
Cystocarp. — The characteristic sporophore of the Rhodophyceae, a cyst containing 
sexually produced spores. 
Decurrent. — Extending downwards, as when leaves are prolonged beyond their insertion, 
and thus run down the stem. 
Deltoid. — Shaped like a triangle. 
Dendroid. — Tree-like in form or branching. 
Dichotomous. — Regularly dividing into pairs. 
Dioecious. — The male and female elements in different individuals. 
Diplobiontic . — The type of life cycle including both the tetrasporic and sexual stages. 
Diploid. — The stage when the cells contain twice the basal number of chromosomes, i.e., 
the sporophyte. 
Dissepiment. — A partition in an ovary or pericarp. 
Distichous . — Disposed in two vertical rows, two-ranked. 
Divaricate. — Extremely divergent. 
Dorsiventral . — Having distinct upper and lower surfaces. 
Dorsum. — The back or dorsal region; the upper side of an rppendr.ge. 
Echinate. — Beset with prickles. 
Ecorticate. — Wholly without a cortex. 
Endochrome. — The colouring matter in cells of plants, particularly algae. 
Endogenous. — Arising from deep-seated tissues. 
Epiphyllous. — Growing on leaves or leaf -like organs. 
Epiphyte. — A plant which grows on another, but not parasitieally. 
Evanescent. — Soon disappearing; lasting only a Short time. 
Excurrent. — Extending out beyond the apex, often as a mucro. 
Falcate . — Sickle-shaped. 
Farinose. — Covered with a white mealiness. 
Fascicle. — A small bundle; a compact cluster. 
Fastigiated. — Parallel, clustered and erect branches. 
Favella. — A dense group of spores arranged without order, and covered with a thin 
gelatinous envelope. 
Fibrilliferous. — Composed of fibres. 
Filiform. — Thread-shaped. 
Flexuous. — Bent alternately in opposite directions, zig-zag. 
Foliaceous. — Having the texture or shape of a leaf. 
Foliole. — A leaflet, the secondary division of a compound leaf. 
Forcipated. — Formed like a pair of forceps. 
