Actinostomous 



Adhesion 



actinost'omous (a-ro/j-a, a mouth), 

 radiate structure round the ostioles 

 of Lichens and other Cryptogams. 



Actinoph'ryds (Actinophrys, Ehrenb., 

 a genus of Rhizopods), Gobi's term 

 for globes with radially-arranged 

 pseudopodia in Pseudospora, a 

 parasite on Vaucheria. 



ac'tive, in a growing condition ; not 

 dormant. 



aculeate, aculea'tus (aculeus, a sting 

 or prickle), armed with prickles as 

 the stem of a rose ; aculeolate, 

 aculeola'tus, somewhat prickly ; 

 aculeo'sus, decidedly prickly ; 

 acu'leiform, aculeiform'is (forma, 

 shape), prickle-shaped ; Aculeus 

 (Lat.), a sharp epidermal emerg- 

 ence, a prickle ; pi. Acu'lei ; 

 Aculeolus, a diminutive of the last. 



Acu'men (Lat., a point), a tapering 

 point ; acu'minate, acumina'tus, 

 having a gradually diminishing 

 point ; acuminifb'lius (folium, a 

 leaf), with acuminate leaves ; 

 acu'minose, acumino'sus, approach- 

 ing acuminate; acumin'ulate, having 

 a small terminal point. 



acutang'ular, acutang'ulus (Lat.), 

 when stems are sharply angular ; 

 acutate' (acu'tus, sharp), slightly 

 sharpened, as at the apex ; acu'te, 

 acu'tus, distinctly and sharply 

 pointed, but not drawn out ; acu- 

 tiflor'us (Lat., flos,floris, a flower), 

 with acute perianth segments ; 

 acutifo'lius (Lat., folium, a leaf), 

 with pointed leaves ; acutilo'bus 

 (Lat., lobus, a lobe), composed of 

 lobes which are acute ; acutius'cuius 

 (Lat.), somewhat acute. 



acyclic (a, not ; KikXos, a circle), used 

 of flowers whose parts are arranged 

 spirally, not in whorls. 



Adapta'tion (adaptatus, fitted), the 

 means by which an organism adapts 

 itself to changed surroundings. 



adax'ial (ad, to ; axis, an axle), the 

 side or face next the axis, ventral. 



adducent'ia Va'sa (ad, to ; duco, I 

 lead), the spirals in tracheids, 

 which spirals were formerly sup- 

 posed to bo vessels. 



Adducto'res, Hedwig's term for arche- 

 gonia. 



Adelph'ia (d5eX0os, a brother) ; (1) a 

 fraternity ; a collection of stamens 

 by their filaments into one bundle ; 

 pi. Adelphlae, two or more similar 

 bundles; (2) used by Galton for 

 fraternities in variation ; adelph'ic. 

 adelph'icus; adelph'ous, adelph'us, 

 having brotherhoods of stamens ; 

 Adelphotax'y (rdfa, order), used 

 by Hartog to express the mutual 

 attraction of spores of Achyla and 

 of Pedastreae after extrusion. 



Adelome (possibly from d8rj\os, con- 

 cealed) = ALBURNUM (Lindley). 



Aden (aSfy, a gland), a gland or 

 tubercle : aden'iform (forma, shape), 

 a hybrid term for gland-shaped ; 

 adenoca'lyx (/caXi>, a cup), where the 

 calyx is studded with glandular 

 spots ; ad'enoid (eldos, like), gland- 

 like ; ~ Or'gan, Williamson's term 

 for the ligule of Lepidodendron ; 

 Adenopet'aly (ir^Ta\ov, a flower 

 leaf), a term proposed by C. Morren 

 for the transformation of nectaries 

 into petals, or similar structures ; 

 Aden'ophore (<poptw, bear), a stalk 

 supporting a gland ; adenoph'orous, 

 bearing glands ; adenophyllous 

 (^tfXXoj/, a leaf), glandular leaved ; 

 adenop'odous, aden'opus (7rous,7ro56s, 

 a foot), with the petiole or ped- 

 uncle glandular ; a d e n o s t e 'm o n 

 (ffT-/jfju>if, a stamen), having glands 

 on the stamens ; ad'enose, ad'enous, 

 glandular. 



Ades'my (a, without ; Seayios, a bond), 

 Morren's term for congenital separ- 

 ation of parts normally united. 



Adflux'ion (ad, to; ftuo, I flow), the 

 attraction by which sap is drawn 

 towards the leaves. 



adglu'tinate, adglutina'tus (ad, to, 

 glutino, I glue), grown together, 

 accrete. 



adhe'rent, adhe'rens (adhaereo, to stick 

 to), the union of parts usually 

 separate ; ^ Verna'tion, when the 

 bases of Fern - fronds are continu- 

 ous with the caudex; Adhe'rence, 

 Adhe'sion, the state o union with 



