intramedullary 



invaginated 



lary), within the pith (Soleredci) ; 

 intxamolec'ular ( + Molecule), 

 within the molecules; intrarau'ral 

 {7nuralis, pertaining to a wall), be- 

 tween the Avails of cells, as ^ 

 Glands, used by De Bary for multi- 

 cellar organs of secretion, whose 

 product appears in the limiting 

 walls; intranucell'ar (+Nucellt;s), 

 within the nucelliis ; intrann'clear 

 {mcclcAis, a kernel), within the 

 nucleus ; intraov'ular ( + Ovule), 

 within an ovule ; intraparear ( -j- 

 Palea), referring to the fertilization 

 of cereals which commonly takes 

 place within the floAver, before the 

 exsertion of the anthers ; intra- 

 pet'iolar {petiolus, a small stalk), 

 within the petiole, or between it 

 and the stem, as -' Buds, tliose 

 which are completely enclosed by 

 the petiole, as in Platanus ; intra- 

 prothall'oid ( + Prothallus), in 

 the prothallus or immersed in its 

 tissues ; intraprotoplas'raic (+ Pho- 

 totlasm), within the protoplasm ; 

 intrasac'cal (+ Sac), employed of 

 embryos arising outside the embryo- 

 sac. 



intrar'ioas, intrar'ncsiX'- Lat.), turned 

 inward toward the axis. 



intrasem'inal {intra, within ; sevieii, a 

 seed), within the seed ; ~ Deverop- 

 ment, the whole development under- 

 gone by the embryo during the 

 conversion of the ovule into the 

 ripe seed; intrasporang'ial (-fSro- 

 rangium) Germina'tion, gi*owth of 

 an embryo within the sporange; 

 intrastamin'eal (-f Stamen), Avithiu 

 the stamens, as the disk of Ana- 

 cardiaceae ; intraste'lar (+ Stele), 

 Avithin the stele, as ~ Tis'sue = Con- 

 junctive Tissue ; intravag'iual 

 {vagina, a sheath), Avithin the sheath, 

 applied to branches which spring 

 from buds which- do not l-reak 

 through the sheath of the subtend- 

 ing leaf (Scribner); intravalvula'ris 

 (-}- valvularis), Avithin valves, as 

 the dissepiment in many Cruciferae ; 

 intraxy'lary (+ Xylem), Avithin the 

 xylem. 



in'tricate, intrica/bus (Lat.), entangled. 



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

 curved. 



introdu'ced {introiluct'us, brought 

 Avithin), used of plants Avhicli have 

 been brought from another coitntry. 



introflex'ed (i?i^rOj inside; /Zatj^s, bent), 

 inflexed ; intromarg'inal ( -f mar- 

 ginal), used of a vein running just 

 Avithin the outer margin of a leaf. 



in'trorse, hUror'sus (Mod. Lat.), turned 

 inAvard, toAvards the axis. 



introve'nius {intro, inside ; vena, a 

 vein), hidden veined ; from the 

 abundance of parenchyma, the A-eins 

 not readily seen ; cf. aveniur ; in- 

 trozy'lic (|uAo/', Avood), Avithin the 

 xylem. 



intrn'ded, in'truse, intnc'siis (liat., 

 thrust in), jmshed or projecting 

 forward ; Intru'sion, cort'ical, ab- 

 normal groAvtK of cortex in other 

 tissues. 



Inturaes'csnce {intumcsccre, to swell 

 up), any abnonnal swelling on the 

 exterior of plants. 



Intussuscep'tion {intus, Avithin ; sui- 

 ceptus, taken up), the theory of 

 groAA'th, Avhich assum.es the inter- 

 calation of new particles (micellae), 

 between the already existing par- 

 ticles of the cell Avall. 



In'uiase (from the genus hnUa), an 

 enzyme in Compositae wliich con- 

 verts Inulin into Lcvulose ; Ina'- 

 lenin, a subordinate constituent of 

 Inulin (Tanret) ; In'alin, a body 

 like starch, lirst found in Compositae, 

 in the form of sphaero-crystals. 



inun'cans % (Lat., hooking), the surface 

 covered Avith glochidia or hooked 

 hairs. 



inunda'tal {invndatus, oA'erfloAved), 

 PI. C. Watson's expression for those 

 plants which gi'OAV in places liable 

 to be inundated in Avet Aveather, 

 but dry in summer ; inunda'tus, 

 flooded, sometimes under water, 

 sometimes dry. 



-inus, a Latin suffix, meaning, (1) 

 resemblance ; (2) augmentation. 



invag'inated {in, into ; vagina, a 

 sheath), enclosed in a sheath. 



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