GLOSSARY 



A-, prefixed signifies absence ; as aseptate, without septa. 

 ABBREVIATIONS: cm. = centimeter, 



mm. = millimeter. 



t*. micron, 

 in. = inch. 

 / = inch or inches. 

 " line ( T ^ inch) or lines, 

 nov. gen. = new genus. 

 n. sp. = new species. 



x between two figures signifies by ; 2 x 4 = 2 by 4. 

 - between two figures = to ; 2-4 = from 2 to 4. 



ABERRANT (aberran(t-)s, ppr. of aberrare, stray from, <^ab, from, -f- errare, to stray), 

 differing in some of its characters from the group in which it is placed, said of a 

 plant, species, genus. 

 AB.JEC/TION (adjecfr'o(n-), act of casting away, abicere, abjicere, <^ab, away, + jacere, 



throw), throwing off with force, as spores or seeds; expulsion. 

 ABJOINT' (ab, from, + junctits, adjoining) , to joint off or delimit by septa or partitions. 

 ABNORMAL (abnormis, deviating from a fixed rule, irregular, <a&, from, + norma, a 



rule), not conforming to the usual type; irregular, unnatural. 

 ABOR'TIVE (abortivus, born prematurely), imperfect or wanting. 

 ABRUPT' (abmptus, steep, disconnected, <a&, off, + mmpere, break), terminating 



suddenly. 



ABSTRIC'TION (abstrictus, ppr. of abstringere,<abs, from, + stringere, bind), separa- 

 tion of one part from another by constriction, especially of spores from their 

 hyphse. 

 ACAULES'CENT, ACAI/LINE, AcAu'LOSE, AcAu'Lous (caulis, a stem or stalk of a plant) , 



having a very short stem or none ; stemless. 



AC'EROSE (acerosus, chaffy), narrow, stiff and pointed like spruce needles; inter- 

 mediate in form between acicular and subulate. 



ACETAB X ULIFORM (acetabiilum, a cup-shaped vessel; forma, form), cup-shaped, hav- 

 ing the form of a shallow bowl. 



ACH'ROOUS (Gr. priv. + Gr. color), colorless, achromatic. 



ACIC/ULA (pi. ACICUL^E) (a needle, a small pin, dim. of acus, a needle), a needle- 

 shaped spine, prickle or other body. 

 ACK/ULAR, ACK/ULATE, A</iFORM (acicula, a small pin or needle), needle-shaped, 



having a sharp point like a needle, as pine leaves. 



AC'ROGEN (Gr. at the top, -f Gr. born, produced), a cryptogam which increases 

 by development [of an apical cell] at the summit of an axis, having a true stem, 

 leaf-like appendages, etc., as ferns, mosses, etc. 



ACROG / ENOUS (as acrogen + OMS), (a) produced at the apex, as some spores from the 

 apex of a hyphal branch ; (b) of the nature of or pertaining to acrogens. 



66 1 



