TRI 



422 



TRI 



fdrius, of three sorts or ways, 

 triple), in bot. , in three rows. 



trifid, a., trtffid (L. trtftdus, cleft 

 in three parts from tris, three ; 



fidi, I have cleft), in bot., thrice 

 cleft, midway to the base. 



trifoliate, a., trl-foV-i-dt, also tri- 

 foliolate, a., tri-fdl'-i-ol-dt (L. 

 tris, three ; fdlmm, a leaf), in 

 bot. , having three leaves or leaflets 

 growing from the same point. 



Trifolium, n., trl-foV-l-um (L. 

 tris, three ; folium, a leaf), an 

 extensive genus of plants, Ord. 

 Leguminosse, Sub-ord. Papilion- 

 aceae, known as clovers or trefoils, 

 and having trifoliolate leaves : 

 Trifolium pratense, prat-ens'-e(L. 

 prdf&nsis, growing in meadows), 

 the common red clover : T. repens, 

 rep'-Znz (L. repens, creeping), 

 white Dutch clover the sham- 

 rock of Ireland: T. Alpimim, 

 alp'in'um (L. Alplnus, of or from 

 the Alps}, a species from whose 

 leaves and roots the peculiar 

 sweet principle called Glycyrrhiz- 

 in is obtained : T. incarnatum, 

 fn'>kdr*9dtftbn (L. incarndtus, 

 clothed in flesh from in, in ; 

 carndtus, fleshy from caro, 

 flesh), an annual species ; the 

 carnation clover. 



trigonal, a., trig'dn>al, also trig- 

 onous, a., trig'on'tis (Gr. treis, 

 three ; goma, an angle, a corner), 

 in bot. , having the parts arranged 

 in an alternating manner, as in 

 the lily ; having three angles 

 with three convex faces ; applied 

 to stems. 



trigone, n., trty'on-e, ortrigonum, 

 n., tri'gdn'-um (Gr. trigonds, a 

 triangle from treis, three ; gonia, 

 an angle), a triangular, smooth 

 surface without rugae, immediately 

 "behind the urethra! orifice, the 

 apex of which is directed forwards. 



trigynous, a., tridf-m-us (Gr. 

 treis, three ; gune, a woman), in 

 bot., having three carpels or 

 three styles. 



trijugate, a., tri'-jd6g-dt (L. tris, 



three ; jiigum, a yoke), in bot., 

 having three pairs of leaflets. 



trilamellar, a., tri-lam'-el-lar (L. 

 tris, three ; lamella, a small 

 plate of metal), in bot., applied 

 to a compound stigma having 

 three divisions flattened like 

 bands. 



Trilliaceae, n. plu., tril r >U-d'>s&e 

 (L. trilix, triple-twilled, trillcis, 

 of triple - twilled), the Trillium 

 family, an Order of plants, some 

 acrid, others narcotic : Trillium, 

 n., tril'-li'um, a genus of plants, 

 so named from the calyx having 

 three sepals, the corolla three 

 petals, the pistil three styles, 

 and the stem three leaves : 

 Trillium cernuum, sern'-u-um (L. 

 cernuus, stooping or bowing for- 

 ward), a species whose rhizome is 

 used as an emetic ; the juice of 

 the berries with alum gives a blue 

 colour. 



trilobate, a., trl-lob'-at (Gr. treis, 

 three ; lobos, a lobe), having 

 three lobes. 



trilocular, a., trl-lok^ul-ar (L. 

 tris, three ; loculus, a little 

 place), in bot., having three 

 cells, or loculaments. 



trimerous, a., trim' er 'Ms (Gr. treis, 

 three ; mZros, a part), in bot., 

 composed of three parts, as a 

 flower ; having its envelopes in 

 three, or multiples of three. 



trimorphic, a., trl-morf-ik (Gr. 

 treis, three ; morphe, form, shape), 

 in bot., taking three forms of 

 flowers in one species, each on 

 a different plant, and having 

 stamens and pistils. 



trinervis, a., tri-nerv'-is (L. tris, 

 three ; nervus, a nerve), in bot., 

 having three ribs springing to- 

 gether from the base. 



trioacious, a., trl-e'sM-us (Gr. 

 treis, three ; oikos, a house), in 

 bot. , producing male, female, and 

 hermaphrodite flowers, each on 

 separate plants : triceciously- 

 hermaphrodite, another name 

 for trimorphic. 



