GLOSSARY 



A-. Used as a prefix ; not ; without. 



Ab-. Used as a prefix ; from ; away. 



Accuminate. Tapering gradually to a 

 point. 



Acicular. Needle-like ; needle-shaped, very 

 slender. 



Acute. Sharp at the end ; less than a right 

 angle. 



Adnate. Firmly attached ; adhering to any 

 thing ; touching broadly. 



Agglutinate. Glued together. 



Aggregate. Crowded close together. 



Amorphous. Shapeless; without definite 

 form ; having no regular structure. 



Amphithecium. A layer of tissue contain- 

 ing both algal cells and fungal hyphae, 

 continuing upward from the hypothe- 

 cium, and in some angiocarpic lichens 

 almost surrounding the hymenium. 



Angiocarpous. Having a fruit enclosed 

 within a distinct covering; fruit-body 

 globular opening only by a pore at the 

 summit ; having the hymenium enclosed 

 by a perithecial wall, or by an amphi- 

 thecium or by both ; having the hymen- 

 ium covered by the exciple or exciples. 



Angular. Irregular in shape. 



Apex. Summit ; end farthest from the base 

 or point of attachment. 



Apothecium. Open cup-shaped or saucer- 

 shaped fruit-body ; a structure in which 

 spores are borne. 



Appendage. That which is appended to 

 something; applied especially to pro- 

 cesses of any kind. 



Appendiculate. Furnished with appen- 

 dages ; an apothecium subtended by the 

 apex of a branch or with a lacinia ex- 

 tending beyond it. 



Applanate. Flattened out; horizontally 

 expanded. 



Appressed. Closely flattened down. 



Arachnoid. Cobweb-like, cobwebbed. 



Arcuate. Curved like a bow. 



Areolate. Marked out in little spaces. 



Areole. Areola, a little space marked out 

 on a surface, separated from other 

 areoles by cracks. 



Articulate. Jointed. 



Ascocarp. A spore bearing structure, con- 

 sisting of hymenium, epithecium, hypo- 

 thecium, and exciple or exciples. 



Ascospore. A spore developed in an ascus. 



Ascus. Sac-like cell in which spores are 

 developed. 



Ascyphous. Podetia without scyphae. 



Aseptate. Without cross-walls or septa. 



Barbate. Bearded. 



Base. End opposite the apex; portion 

 nearest the point of attachment. 



Bi-. Used as a prefix, double, twice, two, 

 twofold. 



Biatorine. Biatoroid, apothecium bright 

 colored, waxy, proper margin present, 

 thalline margin absent. 



Bifacial. Having two fronts, the opposite 

 faces alike. 



Biserial. In two rows. 



Caespitose. Cespitose, growing in tufts, 

 growing in low tufty patches. 



Caesious. Bluish gray. 



Clavate. Club-shaped; growing gradually 

 thicker towards the top. 



Canaliculate. Furrowed ; fluted ; chan- 

 neled. 



Cancellate. Latticed; coarsely reticulated. 



Canescent. Covered with a hoary down. 



Cartilaginous. Tough; brittle, breaking 

 with a snap. 



Capitate. With a minute knob at the apex. 



Caudate. With a tail. 



Cephalodium. A small irregular out- 

 growth on the thallus containing algal 

 cells and fungal hyphae. 



Channeled. Furrowed; grooved. 



Chink. A crack. 



Chondroid. Hard; tough like cartilage. 



Ciliate. Fringed with hairs or cilia ; spinu- 

 lose. 



Cilium. A hair; a slender filament com- 

 posed of hyphae on the upper surface or 

 the margin of the thallus, or on a fruit- 

 body. 



Coalescent. Running together. 



Complanate. Flattened; compressed. 



Complicate. Folded upon itself. 



Concave. Depressed like a bowl. 



Connivent. Converging on the stipe. 



Concolorous. Having the same color. 



Conglomerate. Clustered; heaped to- 

 gether in a mass. 



Conglutinate. Glued together. 



Convex. Rising or swelling into a rounded 

 or spherical form. 



Coralloid. Coral-like, applied to out- 

 growths on the thallus. 



Cortex. Outer layer of the thallus. 



Corticate. Covered with a continuous con- 

 tex. 



Corymb. Cluster of indeterminate or cen- 

 tripetal type ; developing towards the 

 center from without. 



(182) 



