SUPPLEMENT 



OF ADDITIONAL TERMS SINCE THE PREVIOUS EDITION. 



The derivations are strictly supplemental to those in the main alphabet. 



abiet'iform {abies, a fir-tree; form, 

 shape), used of hairs when shaped 

 like a fir-tree. 



Abs'ciss-mech^anism, proposed to re- 

 place Absciss-layer (Yapp). 



Abond'ance, a synonym for Fre- 

 quency ; Clements uses these 

 modifications : co'pious ~ or cop.^, 

 100-50 in a meter quadrat; cop.^, 

 60-25 ; cop.3, 25-10 ; gregar'ious ~, 

 subco'pious ; subgregar'ious '^, 

 sparse '^ ; vixgregar'ious. 



Abya'sal Associa'tion, peculiar to 

 marine depths. 



Acarophy'ta, used by Macfarlane 

 for the lowest algae and fungi, 

 " primitive plants." 



acentron'ic {Kcvrpov, a sharp point), 

 wanting a geometric or definite 

 axis. 



Aciculisil'vae, pi. {silva, a wood), 

 forests containing needle-leaved 

 trees, coniferous woods. 



Ac'olytes {aKoXovQog, attending), em- 

 ployed by Blakeslee for Varieties. 



acranth'ous, applied to a sympodium 

 with a main axis of annual portions 

 of successive axes, each beginning 

 with scale leaves, and ending with 

 an inflorescence. 



acrog'enous, add (2), borne at the tips 

 of hyphae. 



Acrog'onel {aKpos, apex; yoviq, 

 birth), a concentration of parts 

 making a monoccntric axis (Vuille- 

 min). 



acrost'ichoid, resembling Acrostichum 

 Linn., a genus of ferns. 



acroton'ic = acrotongus 



Actinom'eter {fj.€Tpoi', measure), a 

 light-measuring instrument for 

 actinic rays ; Actinomyce'tes (fivKr]^, 

 fungus), delicate branching threads 

 which break up into spore-like 

 bodies (Conn). 

 Activa'tors, pi. {activus, active), en- 

 zymes which stimulate ; opposed 

 to Paralyzers ; ac'tive Pro'toplasm, 

 the Androplasm of male gametes 

 (N. Jones). 

 Ac'us (Lat., needle), the needle-like 

 leaf of such conifers as Pinus 

 (Henry). 

 Adapta'tion, c/. Morphogeny, p. 240. 

 Addition {additio, an adding) Stage, 



the gain of a factor (Bateson). 

 adiabat'ic (dSia/Saro?, not to be 

 crossed), not transferable, as a 

 product which cannot be trans- 

 ferred to another tissue or part ; 

 cannot be translocated. 

 Ad'sere [ad, to, + .Sere), that portion 

 of a sere which precedes its con- 

 vergence into another at any time 

 before the climax stage (Clements). 

 Adynamogy'ny [dSvvaros, to want 

 power; ywT^, a woman), loss of 

 function in the female organs of a 

 flower (Loew). 

 aecid'ioid {dbos, resemblance), like 

 tne genus Aecidiutn Pers. ; Ae'oio- 

 teriospore, with the aspect of an 

 aeciospore, and the nature of a 

 teliospore (Harshberger). 

 aequichromoso'mal {aegne, equally, 

 chromosomal), the exchange of 

 chromosomes or of their quality 

 (Lotsy); aequipotent'lal (+ poten- 



417 



