Trapeziform 



A DICTIONARY 



Trifarious 



Compare Collateral Cho- 

 risis. 



TRANSVERSE' 6e&T'R0PIsM, 



see DiAGEOTHorisM. 

 TRANSVERSE' HEL16T'R0PIsM, 



see DlAHELIOTROPISM. 



TRAPE'zIf6rm, unsymmetri- 



cally four-sided, like a trape- 

 zium; trapezoid. 



TRAPEZOID, see Trapeziform. 



TRAPEZOID, u., a body having 

 t lie form of a trapezium. 

 (Rare.) 



TREE, a woody plant capable of 

 growing in the given locality 

 at least twenty feet in height, 

 with a single self-supporting 

 stem. If the top is unusually 

 broad the height may be some- 

 what less. The standard is 

 arbitrary and varies consider- 

 ably according to circum- 

 stances. Compare Shrub. 



TREM'ElLOID, gelatinous, like 

 the Tremellineee. 



TRI-, three. 



TRIADEL'PHOUS, having the 

 filaments in three sets. 



TRlANDRlAN, see Trian- 



DROUS. 



TRlAN'DROUS, having three sta- 

 mens. 



TRlAN'GtJLAR, having three 

 sides or angles ; — a p p 1 i e d 

 either to fiat bodies like 

 leaves, or to columnar bodies 

 like stems. Compare Trigo- 

 nous. 



TRIAN'THOUS, three-flowered. 



TRI'ARCH, a fibrovascular cylin- 

 der which has three ligneous 

 rays, and thus represents three 

 fibrovascular bundles. 



TRIBE, a group of genera subor- 

 dinate to an order or suborder. 

 Similar groups are in some 

 cases called families. 



TRlCARTfiLLAR"?, having three 



carpels in a flower or pistil; 

 trigynous. 



TRlCAR'POu'S, containing three 

 ovaries or fruits. 



TRigEPH'ALOUS, three-headed. 



TRIOHOBlAST, an internal hair, 

 like those which project into 

 the intercellular spaces of some 

 water-lilies. 



TRl€H'66tNE, a slender pro- 

 longation of the carpogonium 

 in Florideee which receives 

 upon its apex the anthero- 

 zoids in fertilization. 



TRl€HO'MA (pi. Tricho'mata), a 

 term sometimes applied to lila- 

 ments of conferva and some 

 other algae, especially to the 

 multicellular filaments in Nos- 

 tochinca'. 



TRlCH'OME, a plant-hair of any 

 kind. 



TRlCH'OPHORE, the cell or cells 

 immediately supporting a 

 trichogyne. 



TR!€H0SP0RAN'6itTM, a sporan- 

 gium which is morphologically 

 a hair. Formerly also applied 

 to the plurilocular sporangia 

 of Phaeosporeee. 



TRICHOT'OMOUS, dividing at the 

 end into three branches; three- 

 forked ; trifurcate. 



TRICOCCOtJS, of three cocci. 



TRICOLOR, of three colors. 



TRIC6S TATE, three-ribbed. 



TRICUSPID, three-pointed; tri- 

 cuspidate. 



TRICUS'PiDATE, see Tricuspid. 



TRIDEN'TATE, three-toothed. 



TRIEN'NlAL, a plant which fruits 

 the third year, then dies. Few 

 plants, if any, are strictly of 

 this character. Compare Bi- 

 ennial. 



TRIFA'RiOUS, in three rows, or 

 pointing in three directions; 

 especially, in three vertical 



188 



