Mcidial 



Aerotropism 



Form, a fungus in that stage of 

 development ; Aecidlolum, in Ure- 

 dineae, a small fonn and usually a 

 later development of the Aecidium' 

 stage ; a sperraogoniiim. 



Aecid'ioHT^ore (Aecidium, inli-a ; cnropet, 

 a seed), a spore formed in the fol- 

 lowing : Aeeid'ium (probably from 

 oUlStov, a little house), a sporocarp 

 consisting of a cup-shaped envelope, 

 its interior surface consisting of a 

 hyrnenium, from whose basidia the 

 aecidioapores are successively thrown 

 oflF; the name was propounded by 

 Persoon as a genus of Fungi, but it 

 is now regarded as only a form-genus 

 of Uredineae. 



Ae'ciospore (+ Spoke) = Aecidio- 

 sroRE ; iB'ciuxn, Arthur's term for 

 Aecidium. 



Aeeol'ogy = Ecology or Oncology. 



Aegagropi^lae, pi. (0/707^05, a wild 

 goat ; itjAos, felt), Lagerheim's term 

 for those marine Algae which are 

 more or less spherical, and freely 

 driven about in the sea. 



aelophlloas (&€AAa, storm- wind; </i>(A€a), 

 I love), applied to plants dissemin- 

 ated by wind. 



aeo'lian {al6\05, shifting), used of 

 sandy soils liable to rapid removal 

 by wind (Clements). 



ae'iieus (Lat., bronze), used for brass- 

 coloured ; sometimes for verdigiis. 



aeqaalis, ae'quans (Lat.), equal or 

 equalling ; similar in size, uniforni ; 

 aequilat'eral, aequilatera'lis, equal- 

 sided, of equal length ; aequali- 

 fior^us (Lat.), with flowers alike in 

 form and character ; aequimag'nus 

 J (Lat.), equal sized ; aequinoc'tial, 

 aequitwctia'lis, pertaining to the 

 equinox ; used of flowers, which 

 open or close at stated hours ; 

 aequivalv'is (Lat.), having valves 

 of flowers or fruit of similar size ; 

 aequive'nius (Lat.), all the veins of 

 •qual distinctness. 



ae'rating [aer, air) Roots, peculiar 

 roots rising out of the mud, covered 

 with a loose, corky tissue, and 

 having large intercellular spaces ; 

 Aerenoh'yma (?7xwm«> that poured 



8 



out), Schenk's term for a tissue of 

 thin-walled cells, and large inter- 

 cellular spaces, found in the stems 

 of some mardh- plants, serving for 

 aeration or floating tissue : adj. 

 aerenchy'matoua ; ae'rial, ae'rius, 

 used for plants (or })arts of plants) 

 living above the surface of the ground 

 or water ; ~ Plants, epiphytes as, 

 Tillavdsia and many tropical 

 orchids ; ^ Boots, those which vege- 

 tate altogether above the ground. 



ae'reus (Lat.), copper- coloured or 

 bronzed. 



A'^erobe (&ios, life), a suggested ab- 

 breviation of Aerobium ; aero'bic, 

 peitaining to such organisms ; ~ 

 Energe'sis, the disruptive process 

 by which energy is released (Barnes) ; 

 t/. Respiration ; Aerobi'ont, a i)lant 

 dependent upon free oxygen for its 

 respiration ; aerobiot'ie, needing air 

 for existence ; Aerobio^'sis, life in 

 atmospheric air ; Aerob'iam, an 

 organism which thrives only in the 

 presence of air or free oxygen ; 

 applied to certain bacteria ; Aero- 

 car'py {Kapvhs, fruit) producing fruit 

 above ground ; cf. Ampisicarpy, 

 Geogahpy ; Ae'rocyst {kvottis, a bag 

 or pouch), the air-bladders of such 

 algae as Fucus resiculosiis, Linn. ; 

 A^erogams {yk/jios, marriage), plia- 

 nerogams ; Aeroidot'ropism (rpoTrr?, 

 a turning) = Akkoteopism ; Aero- 

 morpho'sis {^6p<l>(uaris, a shaping), 

 changes in water plants induced by 

 growth in air (Herbst) ; aeroph'ilous 

 {<pi\4(i), I love), (1) Beyerinck's term 

 for essentially aerobiotic organisms ; 

 cf. micboaerophilous ; (2) Are- 

 schoug's term for renovation buds 

 produced above ground ; cf. piioto- 

 PHILOUS ; '-' Shoot, the growth from 

 such ; Ae^ropyle (wvAtj, a gate), a 

 pore at the base of the pod in cer- 

 tain Leguminosae, as Faba vulgaris 

 (A. H. Church) ; Ae'rophyte {^vrhv, 

 a plant), air-plant, epiphyte ; Aero- 

 tax'is {ri^is, arrangement), used by 

 Hartog to express positive stimulus 

 by ©xygen to the irritability of zoo- 

 spores, adj. aerotact'ie ; Aerot'ropism 



