Transport 



Triandrian 



Trans'port {transporto, I carry across), 

 the conveyance of assimilated sub- 

 stance from one part to another ; 

 translocation. 



Transvect'ion {transvcdus, carried 

 across), when in Ctadophora the 

 basis of the initial branch-cell is 

 partly in contact with the mother- 

 cell and partly against the succeeding 

 cell (Brand; ; cf. EvECTiox. 



transver'sal {transversus, athwart), 

 lying crosswise; '^ Az'is of Diatoms, 

 that axis which lies in the trans- 

 versal plane, cutting the pervalvar 

 (main longitudinal axis (O.Mueller); 

 '- Wall, that wnich divides the 

 basal and median walls of the pro- 

 embryo of Archegoniatae, at right 

 angles into upper and lower halves ; 

 transver'san Plane, that which 

 passes through the centre of a 

 Diatom frustule vertically to the 

 pervalvar axis (0. Mueller) ; tran's- 

 verse, transversus^ transversa' lis, 

 across, right and left as to bract 

 and axis, collateral ; Lindley gives 

 "broader than long" as the defini- 

 tion of transversus ; '^ Cho'risis, 

 wlien two or more organs instead of 

 one appear above or within another ; 

 '^ Geot'ropism = Diageotrofism ; 

 - Heliot'ropism = Diaheliotrop- 

 i.s.M ; ^ Planes, tlio=>e which cut the 

 axis of growth and surface at right 

 angles. 



trape'zifonn, trapezi/orm'is {rpairi^iov, 

 a figure of four unequal sides; forma, 

 sliape), an unsyrametrical four-sided 

 figure, as a trapezium, almost the 

 same as rhomboid ; trap'ezoid, -deus 

 {cihos, resemblance), like a trapezium. 



Trap-hairs, the special hairs which 

 confine insects in certain llowers till 

 pollination is etiected ; cf. Wickek- 



IIAIRS. 



Traps, pi., Prison-flowers, such as Aris- 

 tolochia, wliich confine insect visitors 

 until pollination has taken place. 



Traube's Cells, artificial cells formed 

 by various solutions of gelatine and 

 other colloids, which have been 

 used to explain the phenomena of 

 intussiisception. 

 C2 3 



traumatic (rpoC/io, a wound), due to 

 a wound ; Trau'matism, abnormal 

 growth in consequence of injnry ; 

 Traumat'otax'is (Tci|is, order), or 

 Traumatotax'y, response due to a 

 wound ; adj tramnatotac'tic ; trau- 

 matroplc irpotr)], a turning), showing 

 the influenca of wounded root-tips ; 

 '- Cur'vature, the bending of roots 

 in consequence of injury to their 

 tips ; Traumat'ropism (Tpoir)j, a 

 turning), 'Pfeiffer's term for the 

 phenomena consequent on the in- 

 fliction of wounds on the tip of a 

 growing root. 



Trechom'eter {rpexo, I r"^ 5 fiirpov, a 

 irteasure), an instrument to measure 

 loss of water by surface flow. 



Tree, a perennial woody plant with an 

 evident trunk ; tree-like, resembling 

 a tree, but smaller ; dendroid ; -^ 

 Stra'tnm, in woodlands, the highest 

 layer, composed of developed trees ; 

 Trees, pi. ; Can'opy -, having well- 

 branched crowns ; Toft '~ , trunks 

 usually unbranched,as palms, cycads, 

 and arborescent Liliaceae. 



Tre'halase, an enzyme which hydrolizes 

 Tre'halose, a sugar found in mariy 

 Fungi and stated to be identical with 

 the "Trehala" (Persian Manna), a 

 waxy excretion produced by a cole- 

 opterous larva to form its cocoon. 



tremel'loid (Tremdla, elSos, resemb- 

 lance), jelly-like in substance or 

 ajtpearance, like the genus Tremella.. 



tri, in compounds, from Greek {rpeis) 

 or Latin {tres) = three or triple. 



Triachae'nium {tri, from tres, three -f 

 Achaknium), like a cremocarp, but 

 of three carpels ; Triacrorhi'zae 

 i&Kpos, at the end ; /ifC«. a root), 

 plants whose roots arise from three 

 initial cells or groups at the apex, 

 as the Phanerogams (Van Tieghem) ; 

 adj. triac'rorhize ; Triadel'phia 

 [aZiKcphs, a brother), a Linnean 

 order of plants Avith their stamens 

 in three sets ; triaderphous, filaments 

 in three brotherhoods ; Triake'nium 

 = Tkiachaexh M ; trian'der = tri- 

 an'drous, trian'drian {o.v)]p, av^phs, 

 a man), having three stamens ; 



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