athiorhodaceoos 



Autoaom 



Bivos, deposit from rivers), relating 



to a group of purple sulphur bacteria. 



Atmom'eter {aT^ios, vapour; fifrpov, 



a measure), an instrument for 



measuring loss of moisture by 



evaporation. 



atrich'ous (a, privative; Opli, rpixo?, 



hair), destitute of cilia on flagella, 



therefore non- motile. 



Atriplice'tam, an association of Atri- 



plex, Sv-eda, etc. 

 Atryg'ia {dTpvyiros, unfruitful), Lud- 



wig's term for self-sterility. 

 Attach'ment-a'rea, the place of junc- 

 tion on the anterior schizont of 

 Peridineae (Kofoid). 

 atyp'ic, add, (2) in mitosis, indirect 

 nuclear division, which does not 

 proceed normallv. 

 aolacanth'oas {avXa^, avXaKo?, a 

 furrow), stem-cortex of Characeae 

 having secondary grooves more 

 prominent than the primary, and 

 spine-cells apparently seated in 

 the furrow. 

 Autallo^'amy (ouros-, self; oAAo?, 

 another ; ya/xo?, marriage) = Ho- 

 MODicHOGAMY ; Autatryg'ia ( + 

 Atrygia), self -sterility, its own 

 pollen not ensuring fertilization ; 

 Aatamphine'reids, pi. {a^i<f>i, aroimd, 

 -f- Nereids), autotrophic amphi- 

 bious plants; Aatecol'ogy (-f Eco- 

 logy), ecology of the individual 

 organism (Turesson) ; Autephap- 

 tom'enon {€<f>dTTTo^ai, I am grasped) ; 

 autotrophic type of plants, in- 

 cluding those which are half- 

 parasitic (Gams); Autobasidiomy- 

 ce'tes (+ Basii)Iomycetes) consist 

 of the subordinate groups; — Hy- 

 menomycetes and Gasteromycetes : 

 basidiospores definite in numbers, 

 usually four; Autobiorogy (jSi'os-, 

 life ; Xoyos, discourse), special 

 biology, as opposed to association 

 (Gams) ; Autocatal'ysis (Kara, 

 down; Xvais, a loosing), ferment 

 action which generates further 

 quantities of the same substance ; 

 adj. autocatalyt'ic ; autochorolog'ic 

 {xwpioi, I spread abroad ; Aoyo?, 

 discourse), applied to self-distri- 



bution of plants as systematic units 

 — species, genus, family ; local 

 botany; autochronolog'ic {xP^vo^t 

 time), self -timed, applied chiefly to 

 fossils (Riibel) ; Aatocbronorogy 

 is the condition ; Aut'oclave [clavis, 

 a key), a sterilizer acting by steam 

 pressure ; antocla'ved [trisyll.], 

 subjected to the operation cited ; 

 Autocorony [colonia, as plants 

 living beyond usual range), in 

 coenobic algae, the product of a 

 mother-cell (West) ; Aatoecorogy 

 (-f Ecology), the environment and 

 adaptation of a species, confined 

 to its habitat by local conditions ; 

 adj. autoecolog'ic ; c/. Synecology ; 

 Autogenet'ics( 4- Genetics), changes 

 in floras effected by the conditions 

 of the district and constitution 

 of the plants themselves ; auto- 

 genotyp'ic (+ genotypic), isogeno- 

 typic ; Autohybridiza'tion, natur- 

 ally effected crossing; Antoirriga'- 

 tion {irrigatio, a watering), the 

 automatic supply of water to a 

 culture ; Aato-irriga'tor, the ap- 

 paratus employed ; Autorysis, add^ 

 (2), N^mec's term for Analysis ; 

 aat'olysed = autolyt'ic ; auton'om- 

 ous (v€/xaj, I possess), used of such 

 shoots as independently place 

 themselves in most favourable 

 conditions (Kirchner); antony- 

 ctonast'ic [vv^, wktos, night ; 

 vaoTos, close-pressed) = auto- 

 NYCTOTBOPic ; Autone'reids, pi. ( + 

 Nerei s), autotrophic water-plants 

 (Gams); autodrthot'ropous ( + 

 ORTHOTROPOUS), the tendency of an 

 organ to grow in a straight line 

 forward (Czapek). 

 Autopar'asitism (-f Parasitism), a 

 parasite growing upon a parasite, 

 as mistletoe upon mistletoe ; auto- 

 ph'iious ((^lAc'co, I love), self -pollin- 

 ated (Moss); Autoregula'tion, c/. 

 Regulation ; autoscoliot'ropous 

 (ctkoAioj, bent ; rpo-nrj, a turning), 

 the tendency to grow in a curved 

 line (Czapek) ; Aut'osome {awfxa, 

 a body), normal chromosomes 

 (Bridges), cf. Intersex, Supersex ; 



423 



