Tannase 



Tegmenta 



suddenly contracted or ended, as 

 some varieties of turnip (Crozier). 



Tan'nase, an enzyme occurring in 

 Aspergillus; Tan'nin or Tan'nio 

 Ac'id, an important group of astrin- 

 gents, especially abundant in some 

 barks, as that of the oak ; Tan'nin- 

 sao8, "' -ve'sicles, strongly refractive 

 globular bodies in cells, which con- 

 tain tannin; aplas'tio -', probably 

 an excretion, as in the germinating 

 date; plas'tic -*', presumably con- 

 nected with nutrition ; capable of 

 being modified; physiolog'ical '^ , 

 believed in this state to be a waste 

 product. 



Tap-root, the primary descending 

 root, forming a direct continuation 

 from the radicle; tap-root'ed, 

 possessed of a tap-root. 



ta'per, cylindric but angular, and 

 gradually diminishing towards the 

 end ; -^ point^ed, acuminate, as the 

 leaf of Salix alba, Linn. ; ta'pering, 

 regularly diminishing in diameter. 



Tape'sium {rdinjs, a carpet), dense and 

 wefted superficial myceliimi, having 

 ascophores seated on it ; tape'tal, 

 relating to the tapetum ; '-' Cell, 

 cell of a tapetum ; '-' Lay'er = 

 Tapetum ; -^ Sept'om, the wall be- 

 tween the megaspore cavity and the 

 nucellus in Palseozoic seeds (F. W. 

 Oliver) ; Tapete^ a suggested emenda- 

 tion of Tape'tum, a membrane of 

 granular cells investing the sporo- 

 genous cells in the archesporium, 

 absorbed as the spores mature. 



Taphrench'yma {Tatppos, a ditch ; 

 iyxv/xa, an infusion), =* BoTHREN- 

 CHYMA. 



TapVrad {rd<f>posy a ditch, -}- ad), a 

 ditch plant (Clements) ; Taphri'um, 

 a ditch formation ; taphroph'ilus 

 {<pi\4o», I love), ditch-dwelling ; 

 Taphrophy'ta {<pvrhv^ a plant), ditch 

 plants (Clements). 



Tapio'oa, prepared starch of the roots 

 of several species of Manihot. 



Taraz'acine, a bitter crystalline prin- 

 ciple found in dandelion, Taraxa/mm 

 officinale, Weber. 



Tar'gets, Smith's term for Pbltae. 



tartar'eouB, -eus (Mid. Lat., tartrum, 

 wine tartar), having a rough crum- 

 bling surface, like some Lichens. 



taw'ny, fulvous, a dull brownish- 

 yellow. 



taxa'ceous, taxin'eoos, relating to the 

 Taxineae. 



Taxe'tom, an association of yew trees, 

 TaxiLS ha/xata. 



taxiform'is {taxus, the y«w ; fortiyi, 

 shape), arranged distichously like 

 the leaves of yew. 



tazigno'mio (Tci|ts, order ; yv(jnx.i\, 

 judgment, Vesque's term for ana- 

 tomical characters. 



taxinomlc = taxonomic. 



Taz'is {Ti\is, order), used by Czapok 

 to express reaction of free organisms 

 in response to external stimuli by 

 movement ; Tazlsm, the tendency 

 of unicellular organisms to arrange 

 themselves according to lines of 

 force or stimulation ; Tazit'ery 

 {Tkpa.%, a monster), a modification 

 which is so slight as to admit of 

 comparison with the normal form ; 

 Tazorogy {K6yo%, discourse) or Taz- 

 on'omy \v6\t.os, law), classification ; 

 Tazon'omist, one skilled in classifica- 

 tion ; adj. tazonom'io ; Taz'y, the 

 constituent of a variation (Cou- 

 tagne), a modality "clearly dis- 

 joint. " 

 Tear, a drop of gum or resin in its 

 native state ; tear-shaped, like the 

 pip of an apple, lachrymiform. 

 Tectopar'atype (tcktoiv, a craftsman, 

 •\- Paratype), a specimen selected 

 to show the microscopic structure 

 of the original type of a species or 

 genus (Chapman) ; Teotoples'iotype 

 (-4- Plesiotype), the same, but with 

 subsequently described specimens ; 

 Teo'totype, a fragment or otherwise 

 for microscopic investigation. 

 Teeth, (1) any small marginal lobes ; 

 (2) in Mosses, the divisions of the 

 peristome. 

 Teg'men (Lat., a covering), (1) the 

 inner coat of a seed, previously 

 the secundine of an ovule ; (2) % 

 the glume of a grass ; pi. Tegmen'- 

 ta, the scales of a leaf-bud ; '^ 



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