RHI 



359 



PJIO 



part injured or destroyed a nose 

 partly destroyed has thus been 

 made presentable : rhinoscope, 

 n.,rln'd'skdp (Gr. slcopeo, I view), 

 an instrument, consisting of an 

 adapted oval or circular mirror, by 

 which the back part of the nostrils 

 may be examined : rhinoscopy, 

 n., -tis'Jcop-i, the examination of 

 the back parts of the soft palate, 

 the nose, etc. , by means of the 

 rhinoscope. 



Bhizanths, n. plu., rlz'anths (Gr. 

 rhiza, a root ; anthos, a flower), 

 in bot., same as 'rhizogen,' which 

 see ; a class of plants occupying 

 a position between the flowering 

 and non-flowering species. 



rhizin.se, n. plu., riz'-iU'e (Gr. 

 rhiza, a root), in bot., minute 

 fibrils on the under surface of the 

 thallus of some lichens, by which 

 they adhere : rhizinose, a., rlz- 

 iri'dz, having root-like filaments 

 or rhizinae. 



rMzocarp, n., riz'o-lcdrp (Gr. 

 rhiza, a root ; karpos, fruit), in 

 bot. , applied to Marsilea, as pro- 

 ducing spore-cases on root-like 

 processes : Rhizocarpese, rlz'-o- 

 kdrp'8-e, the Pepperwort family, 

 another name for the 'Marsile- 

 acere,' which see : rhizocarpous, 

 a., rlz'-d-Tcdrp'-us, having peren- 

 nial roots and annual stems. 



Rhizogens, n. plu., riz'-o-jenz (Gr. 

 rhiza, a root ; gendo, I produce), 

 a class of plants growing on the 

 roots of other plants.; such plants 

 as Rafflesia, which consist of a 

 flower and root only : rhizogen, 

 a., producing a root and a flower 

 only: rhizoids, n. plu., rlz'-oydz 

 (Gr. eidos, resemblance), the 

 root -like outgrowths of many 

 Algae. 



rhizomes, n. plu., rlz'omz, also 

 rhizomata, n. plu., riZ'dm'at-a 

 (Gr. rhizomd, a root, a race), in 

 bot., thick stems running along 

 and partly underground, and 

 sending forth shoots above and 

 roots below ; filamentous bodies 



attaching foliaceons lichens to 

 their supporting substance. 



Rhizomorpha, n., riz'-o-morf-d 

 (Gr. rhiza, a root; morphe, form), 

 a genus of Fungi, so named from 

 the appearance of the plants, 

 whose species have the property 

 of giving out a sort of phosphor- 

 escent light, found in cellars and 

 coal mines : rhizomorphoid, a. , 

 riz'6-m8rf r >dyd (Gr. eidos, resem- 

 blance), root-like in form. 



Rhizophaga, n. plu., riz-of-dg-d 

 (Gr. rhiza, a root ; phago, I eat), 

 a group of the Marsupials : rhiz- 

 ophagous, a., rlz-of-ag-us, living 

 or feeding on roots. 



Rhizophoracese, n. plu., riz'o* 



for-af-sb-e (Gr. rhiza, a root ; 

 phoreo, I bear), the Mangrove 

 family, an Order of plants whose 

 bark is often astringent, and is 

 sometimes used in dyeing : Rhiz- 

 ophora, n., riz-tif'tir-d, a genus 

 of remarkable trees of tropical 

 countries, whose branches throw 

 6ut roots freely, the roots descend- 

 ing into the mud : Rhizophora 

 mangle, mdng'-gl (Malay, mangle, 

 the mangrove), the Mangrove, 

 forms thickets at the muddy 

 mouths of rivers, the tree having 

 the appearance of being supported 

 on many stalks. 



Rhizopoda, n. plu., .rlz-op'-dd-d 

 (Gr. rhiza, a root ; pous, a foot, 

 podos, of a foot), the division of 

 Protozoa comprising all those 

 capable of emitting pseudopodia. 



rhizotaxis, n., rlz'-o-taks'-is (Gr. 

 rhiza, a root ; taxis, a putting in 

 order), in bot., the regularity in 

 the arrangement of roots; also 

 rhizotaxy, n., riz'd'tdlcs'-i. 



Rhododendron, n., r$df>6*d6tid f - 

 r6n (Gr. rhodon, arose; dendron, 

 a tree), a genus of handsome, 

 elegant, and showy shrubs, Ord. 

 Ericaceae : Rhododendron chrys- 

 anthum, Icris-anth'-um (Gr. chrus- 

 os, gold ; anthos, a flower), a 

 Siberian species, whose poisonous, 

 narcotic qualities are well-marked. 



