Sjwuift 



thermogenic 



gathering), life-forms associated 

 in growth and habitat, but distinct 

 as to affinity (Gams); further 

 distinguished as (1) composed of 

 the same species ; (2) of different 

 species but the same class of life- 

 forms ; (3) different life-forms 

 but an ecological unit by fixed 

 correlation, i.e. an association; 

 ssmusiolog'ic = ecolooic. 



Synzo'ospores (+ Zoospore), large, 

 solitary zoogonidia in Vaucheria 

 DC. IWest). 



Syste'maty, classification by academic 

 systems (Church) = systematic or 

 taxonomic botany. 



T, used by Church for terminal; 

 T', second series ( ?). 



tab'ular, add, (2) placular (Janet). 



Tachygen'esis (yeWcn?, origin), em- 

 bryonic acceleration. 



Tai'ga, Siberian primeval forest 

 (Warming). 



Tamarice'tum, an association of 

 Tamarix Linn. 



tanninif'erous {fero, I bear), yielding 

 tannin. 



Tap'estry (tcittt;?, a carpet), applied 

 to forest growth on steep slopes, 

 forming an unbroken arboreous 

 mantle. 



Taut'onym (rauTo, the same; ovo^ia, 

 a name), a name in which the 

 specific name merely repeats the 

 generic, as Linaria Linaria Karst. 

 (Sprague). 



taxadin'eoas, related to Taxodium 

 Rich. 



tax'oid, resembling or allied to Taxus 



Tourn. ; Tax'oids, seeds of conifers, 



more or less succulent, solitary, 



and dispersed by birds (Church). 



Tectone'tum, an association of Tec- 



tona Thunb. 

 tegolic'clous {tegula, a tile ; colo, 

 I inhabit), used for lichens living 

 upon tiles (A. L. Smith). 

 Teleplast'ids (tcAo?, an end, + 

 Plastid) reproductive cells (Janet) ; 

 Tel'eplasts, products of division 

 forming a merism {id.); Teliosor'us 



(4- SoRUS), Harshberger's term for 

 Teleutosorus. 

 telmic'olons {colo, I dwell), dwelling 



in fresh -water marshes. 

 Telosyn'desis (+ Syndesis), cf. Telo- 

 SYNAPSis ; Telosynap'sis (+ Synap- 

 sis), Telosynap'tist, one who 

 regards each parallel thread of the 

 heterotype prophase as half of a 

 somatic chromosome which separ- 

 ated in the preceding telophase ; 

 cf. Parasynaptist (Digby); Tela- 

 syn'desis (+ Syndesis), cf. supra. 

 Terato'ma, an abnormal growth of 

 leaf-tissue in crown-galls, due to 

 bacteria, 

 terrip'etal {petere, to seek), Bronn's 

 term for gravitation shown by 

 plants; Terripra'ta {pratum, a 

 meadow), the covering of meadows, 

 grasses. 

 Tetradsporang'ium (-f SpoRANaiuM), 

 a tetrad mother-cell (Church) ; 

 tet'rakont {kovtos, a pole), having 

 four equal flagella (Church) ; tetra- 

 so'mic (acD/na, a body), t«tra- 

 ploid; tetrasporif'erous {fero, I 

 bear), producing tetraspores ; 

 Tetraspor'ophyte (+ Sporophyte), 

 a plant which bears tetraspores; 

 tetrasterigmat'ic (+ Sterioma), 

 having four sterigmata to each 

 basidium (Buller) ; tetrav'alent 

 {valens, strong), having hypothetic- 

 ally four chromosomes in each 

 apparent single one, in nuclear 

 reduction divisions (Marchal). 

 Thal'lea, a mass formed of several 

 layers of plastids, but a single 

 merid (Janet); Thal'leosere ( + 

 Sere) = Pro teo sere (Clements) ; 

 Thariochlore (xAcupo?, pale green), 

 the green colouring matter of 

 lichens (Paulson); Thal'loid Cli'- 

 maxes, in the pre-Devonian period, 

 consisting of bryophytes (Clements), 

 thelyton'ic (toVo?, strain), gyneco- 

 genic, i.e. parthenogenetic (Janet). 

 Thermocleistog'amy (+ Cleisto- 

 oamy), fertilization of unex- 

 panded flowers, due to want of 

 heat(Knuth); thermogen'ic {yivos, 

 offspring), heat-producing, as in 



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