Indusium 



Injection 



for any indusium-like covering in 

 Ferns. 



Indu'sium (Lat., a woman's under- 

 garment), (1) an epidermal out- 

 growth covering the sori in Ferns ; 

 (2) a ring of collecting hairs below 

 the stigma; (3) the annulus of some 

 Fungi (Lindley) ; indu'siate, indu- 

 sia'tus, possessing an indusium. 



Indu'viae (Lat., clothes), (1) persist- 

 ent portions of the perianth, or 

 leaves which wither, but do not 

 fall off ; (2) scale-leaves ; indu'- 

 viate, induvia'lis, induvia'tus, 

 clothed with withered remnants. 



inembryona'tus (in, not, embryo, an 

 embryo), having no embryo. 



inaequilat'eral, inaequilatera'lis (in, 

 not, aequalis, equal, latus, lateris, a 

 side), unequal-sided; inae'qui valve, 

 inaequival'vular (valva, a door- 

 leaf), used of the glumes of plants 

 which show inaequality in their 

 constituent valves. 



Inench'yma (in, in, eyx v f j - a ) an infu- 

 sion), fibre-cellular tissue, the cells 

 having the appearance of spiral 

 vessels, as in Sphagnum. 



inerm', iner'mous, incr'mis (Lat., un- 

 armed), without spines or prickles. 



ineye', to inoculate, or bud. 



infarc'tate (infarctm, stuffed into), 

 turgid or solid. 



infec'tious, communicable by infec- 

 tion, as diseases in plants, etc. ; 

 caused by some organism from 

 outside. 



in'fer-agar'ian Zone, H. C. Watson's 

 term for the lowest portion of the 

 cultivated lands in Great Britain ; 

 ~ arc'tic Zone, a similar term for 

 the lowest division of his arctic 

 region in Britain. 



infe'rior (Lat., lower), (1) below some 

 other organ, as an ~ Calyx is below 

 the ovary, or an ~ O'vary seems to 

 grow below the adnate calyx ; (2) 

 has been used for anterior, or turned 

 away from the axis. 



infla'ted, infla'tus (Lat., puffed up), 

 bladdery, swollen. 



inflec'ted (inflec'to, I bend), bent or 

 flexed. 



In'ferals, a division of gamopetalous 

 Dicotyledons, proposed for Rubi- 

 aceae, Compositae, Companulaceae, 

 etc. 



inflex'ed, inflex'm (Lat. , bent), turned 

 abruptly or bent inward, in- 

 curved. 



In&oj:es'ence,lnfloresceritia (infloresco, 

 I begin to blossom), (1) the disposi- 

 tion of the flowers on the floral 

 axis ; (2) less correctly used for the 

 Flower Cluster ; definite <~ , when 

 each axis in turn is terminated with 

 a flower, as in a Cyme; indefinite <~ , 

 when the floral axis is capable of 

 continuous extension, as in a 

 raceme. 



info'liate (in, in, folium, a leaf), to 

 cover with leaves. 



infos'sus, (Lat., buried), sunk in any- 

 thing, as the veins in some leaves, 

 but leaving a visible channel. 



in'fra-axil'lary, infra-axilla'ris (infra, 

 below + AXILLARIS), below the axil ; 

 infrano'dal (nodus, a knot) Canals', 

 gaps in the medullary rays of Cal- 

 amites, below the node, leaving 

 prints on the casts (Williamson). 



infrac'ted, infrac'tus (Lat., broken, 

 bent), incurved. 



Infructes'cence (fructus, fruit, by an- 

 alogy to inflorescence), (1) the in- 

 florescence in a fruiting stage ; (2) 

 collective fruits. 



infruc'tuose (infructuo'sus, unfruitful), 

 barren, not bearing fruit. 



infundib'ular, infundihida'ris (infun- 

 diltu'lum, a funnel), funnel-shaped ; 

 infundibu'liform, infundibulifor'mis 

 (forma, shape), shaped like a 

 funnel. 



infus'cate (infitscus, dusky), of a 

 brownish tint. 



Inhibition (inhibitio, a restraining), 

 modification or restraint in func- 

 tion. 



initial (initialis, original) ~ Cells, 

 cells from which primordial layers 

 or nascent tissues arise ; <~ Lay'er, 

 the middle cambium layer. 



Injec'tion (injectus, cast into), the 

 filling of intercellular spaces with 

 water (Crozier). 



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