Tail 



OF BOTANICAL TERMS. 



Tergeminate 



gate of molecules, including 

 pleon, micella, and micellar 

 aggregate. See these terms. 



TAIL, any long, flexible, terminal 

 appendage, as the persistent 

 style on the geed of Clematis. 



TAlL'-POINTflD, tipped with a 

 long, flexible acuuiination. 



TAN'GLE, see Skein. 



TANKARD-SHAPED, thickened, 

 about twice as long as broad, 

 gradually enlarged downward, 

 then suddenly contracted or 

 terminated, as the root of 

 some varieties of the turnip 

 and radish. Compare Stump- 

 rooted. 



TAPER POINTED, see Acumi- 

 nate. 



TAPE'TtJM, (1) a layer of cells, 

 just outside the archesporium, 

 lining the cavity of an anther 

 or a sporangium. It usually 

 becomes disorganized and ab- 

 sorbed before the liberation of 

 the spores or pollen -grains; 

 (2) a similar layer of cells sur- 

 rounding the embryo-sac. 



TAP'-ROOT, a main root which 

 runs directly downward. 



TARTA'REOUS, having the sur- 

 face rough and crumbly, as 

 that of many lichens. (Obs.) 



TAS'SEL, the popular name for 

 the staminate inflorescence or 

 terminal compound spike of 

 Indian corn. Sometimes 

 called Spindle. 



TAWNY, see Fulvous. 



tAx6L'0GY, see Taxonomy. 



TAX&N OMY, see Vegetable 

 Taxonomy. 



TEAR, a drop of gum or resin as 

 it has issued from the plant. 



TEAR-SHAPED, of the shape of 

 an apple-seed — the same as 

 pear-shaped except that the 

 sides are not contracted. 



TEETH, see Tooth. 



TEG'MEN, the innermost seed- 

 coat; endopleura. Called Se- 

 cundine in the ovule. 



TEGMEN'TtJM (pi. Tegmen'ta), 

 an old term for Bud-scale. 



TEGUMENT, see Integument. 



TE'LA CdNTEX'TA, see Felted 

 Tissue. 



TELEtJ'TOSPORE, a thick-walled, 

 usually compound, gonidium 

 produced by the Uredineae or 

 rust-fungi late in the season 

 and which serves to reproduce 

 the fungus the next year; 

 brand-spore; pseudospore. 



TiN'DRiL, a slender appendage 

 which serves for support by 

 coiling around some other ob- 

 ject. It may be morphologi- 

 cally a leaf, leaflet, stipule, or 

 stem. 



TEN'TACLE, one of the sensitive 



glandular hairs on the leaf of 



Drosera. 

 TENUlFO'LlOUS, having thin, 



narrow leaves. 

 TEP'AL, one of the parts of a 



perianth, either sepal or petal. 



(Rare. ) 



TERAt6L'6GY, the study of ab- 

 normal structures; morphol- 

 ogy as applied to monstrous 

 growths. Not applied to mal- 

 formations due to disease. 



TElt'ClNE, a third coat to the 

 ovule, counting from the out- 

 side — not a constant and defi- 

 nite structure. 



TERETE', cylindrical, or some- 

 what tapering. 



TER6£M'INAL, see Tergemi- 

 nate. 



TERGEM'INATE, having three 

 pairs of leaflets or other organs 

 attached, by secondary petioles 

 or otherwise, to the apex of a 

 common support. Compare 



183 



