Intervenium 



Inulin 



Inter' venium (inter, between, vena, a 

 vein), a portion of parenchyma be- 

 tween the veins of a leaf ; Inter- 

 wea'ving ( 4- weaving), the union of 

 hyphae by growing amongst each 

 other, without cohesion ; Germ. 

 Verflechtung ; interxy'lary ( + XY- 

 LEM), amongst the xylem elements. 



Intex'ine, Intex'tine (intus, within, + 

 EXTINE), the inner membrane when 

 two exist in the extine, or outer 

 covering of a pollen-grain ; In'tine, 

 the innermost coat of a pollen- 

 grain. 



Intor'sio (Lat., curling or crisping) ; 

 Intor'tion = TORSION ; intor'tus 

 (Lat., twisted), practically a syn- 

 onym of contorted, twisted upon 

 itself. 



iutodisca'lis J (intus, within, discus, a 

 disc), inserted within the disk of a 

 flower. 



intracarp'ellary (intra, within, + CAR- 

 PEL), within the carpels ; intra- 

 cell'ular (+ CELLULAR), within a 

 cell ; intrafascic'ular (fascic'ulus, a 

 bundle), within a bundle ; intra- 

 filar (jilum, a thread), within a 

 filament ; intrafolia'ceous, -ceus 

 (folium, a leaf, + aceous), within 

 or before a leaf, as within the axil; 

 intralam'ellar (lamella, a small 

 plate), within plate-like structures, 

 as the trama of Agarics; intramarg'- 

 inal (margo, a margin), placed 

 within the margin near the edge ; 

 intramat'rical (matrix, a mould), 

 inside a matrix or nidus; Intra- 

 meafoiTity (meabilis, penetrable), 

 the capacity of protoplasm to per- 

 mit substances to pass into its 

 vacuoles (Janse) ; intramolec'ular 

 (+ MOLECULE), within the mole- 

 cules ; intramu'ral (muralis, per- 

 taining to a wall), between the 

 walls of cells, as -~ Glands, used 

 by De Bary for multicellar organs 

 of secretion, whose product ap- 

 pears in the limiting walls ; 

 intranu'clear (nucleus, a kernel), 

 within the nucleus ; iutrapet'iolar 

 (petiolus, a small stalk), within the 

 petiole, or between it and the 



stem, as ^ Buds, those which are 

 completely enclosed by the petiole, 

 as in Platanus. 



intrar'ious, intrar'ius (L. Lat. ) turned 

 inward toward the axis. 



intrasem'inal (intra, within, semen, a 

 seed), within the seed ; ~Devel'op- 

 ment,the whole development under- 

 gone by the embryo during the 

 conversion of the ovule into the 

 ripe seed ; intraste'lar ( + STELE), 

 within the stele, as ~ Tis'sue = CON- 

 JUNCTIVE TISSUE ; intravagi'nal 

 (vagina,* sheath), within the sheath, 

 applied to branches which spring 

 from buds which do not break 

 through the sheath of the sub- 

 tending leaf (Scribner); intravalvu- 

 la'ris ( + VALVULARIS), within valves, 

 as the dissepiment in many Cruci- 

 ferae ; intraxy'lary( + XYLEM) with- 

 in the xylem. 



In'tricate, intrica'lus (Lat. ), entangled. 



introcur'ved, introcur'vus (Lat.), in- 

 curved. 



introduced (introduct'us, brought 

 within), used of plants which have 

 been brought from another country. 



introflex'ed (intro, inside,jfoaws, bent), 

 inflexed. 



in.'tTOTse,intror'sus (Mod. Lat.) turned 

 inward, towards the axis. 



introve'nius (intro, inside, vena, a 

 vein), hidden veined ; from the 

 abundance of parenchyma, the veins 

 not readily seen ; cf. AVENIUS. 



intru'ded, in'truse, intru'sus (Lat., 

 thrust in), pushed or projecting 

 forward. 



Intussusception (intus, within, sus- 

 ceptus, taken up), the theory of 

 growth, which assumes the inter- 

 calation of new particles (micellae), 

 between the already existing par- 

 ticles of the cell-wall. 



In'ulase (from the genus Inula), an 

 enzyme in Compositae which con- 

 verts Inulin into Levulose ; Inu'- 

 lenin, a subordinate constituent 

 of Inulin (Tanret) ; In'ulin, a 

 body like starch, first found in 

 Compositae, in the form of sphaero- 

 crystals. 



137 



