Oncospores 



(SUPPLEMENT) 



Oxyrietum 



Onc'ospores, ~ae (tyxos, a hook, + 

 SPORE), plants having hooked seeds 

 to aid in dispersion (Clements). 



O'ocyst (KUOTIS, a bag), Vuillemin's 

 term for an envelope of the egg 

 which is due to the cells compos- 

 ing that structure. 



Oogen'esis, (2) the differentiation of 

 a large resting cell (oosphcre) to 

 fuse with a small motile cell 

 (sperm) into a zygote (Hartog) ; 

 oogo'nial Tube = NECK-CANAL. , 



O'on, proposed as an equivalent of 

 EGG (P. F. Myles) ; Oonang'ium, the 

 embryo sac (Radlkofer) ; Oone'ion 

 (Radlkofer) = ARCHEGONIUM ; 

 O'onyle (ti\-rj, raw material), the 

 unfertilized female organ of any 

 sort (Radlkofer) ; ooplasm'ic, relat- 

 ing to the OOPLASM ; O'oplast, Ker- 

 ner's term for OOSPHEBE ; oosphe'- 

 ric, relating to the OOSPHERE. 



O'pen, (2) expanded, the opposite of 

 DIFFUSE. 



Oper'cule, (2) the lid of the flower in 

 Eucalyptus ; (3) the OPERCULUM 

 of Mosses. 



oparyd'eous, resembling or allied to 

 the genus Ophrys. 



Op'ium (oV6s, sap), a parasitic plant 

 formation; opopb/ilus (0iX^w), I 

 love), sap-loving; Opophy'ta (<f>vr6v, 

 a plant), parasites (Clements). 



Opportunism (opportunus, con- 

 venient), the direction in meta- 

 morphosis due to the factors potent 

 at the moment (Ganong). 



orchid'ean, ( = ORCHIDEOUS ; Orchi- 

 dol'ogy (X67<>s, discourse), the study 

 of Orchids. 



Orga'dium (o/yy&s, a meadow), an open 

 woodland formation; orgadoc'ola 

 (colo, I inhabit) ; and orgadoph'ilus 

 (0tX*o;, I love), dwelling in open 

 woodland ; Orgadophy'ta (Qvrov, 

 a plant), open woodland plants 

 (Clements). 



Origin, employed by Hartog to ex- 

 press the German "Anlage"; cf. 

 FUNDAMENT, INCEPT, INCEPTION, 

 PRIMORDIUM, etc. 



ornithog'amous (7^05, marriage), 

 fertilization effected by birds. 



oroph'ilus (Spot, a mountain, 

 I love), dwelling in subalpine 

 regions; Oropny'ta(0 I/TOP, a plant), 

 subalpine plants ; prophy'tia, sub- 

 alpine plant formations (Clements). 



orthoclad'ous, -dus (/cXdSos, a branch), 

 straight branched (Russow) ; Or- 

 then'chyma (tyxtu> I pour in), 

 Williamson's correction of Ortho- 

 sen'chyma, Binney's term for par- 

 enchyma of vertically arranged 

 cells ; adj. orthen/chymous ; ortho- 

 mor'phous (pop^i), shape), radial 

 and erect( Wiesner); orthosper'mous 

 (tr7r^/xa, a seed), having seeds 

 with endosperm grooved on the 

 ventral side, as in Carum. 



Oscilla'tion, the movement peculiar 

 to Trichobacteria and Cyanophy- 

 ceae (Jones). 



oscillatoria'ceous, allied to the genus 

 Oscillatoria. 



Osmotax'is (rdfis, arrangement), re- 

 arrangement of moving organisms 

 in response to the influence of 

 fluids ; adj. osmotac'tic. 



Ostiole, (3) a pore or opening in the 

 prickles of Victoria regia (Tre"cul). 



Ova'rium, add, (2) = ARCHEGONIUM 

 (H. Gibson). 



overlapping, suggested to denote 

 right or left, as right edge -~, = 

 sinistrorse (i.e. dextrorse seen in 

 front) ; left edge <~, = dextrorse 

 (i.e. sinistrorse viewed from the 

 front). 



overly'ing, a suggested rendering of 

 INCUBOUS (Potter). 



oxalida'ceous, referring to the genus 

 Oxalis, or its allies. 



oxygeoph'ilus (o'6s, sour, yrj, earth, 

 0iX^w, I love), dwelling in humus ; 

 Oxygeophy'ta (<f>vrov, a plant), 

 humus plants ; Oxygeophy'tia, 

 humus plant formations (Clements); 

 Oxyllum (l\vs, mud), a humus 

 marsh formation ; oxylyph'ilus 

 (0tX^w, I love), humus loving ; Oxy- 

 lyphy'ta (<f>vrov, a plant), humus 

 plants (Clements). 



Oxyrie'tum, an association of Oxyria 

 plants (Clements). 



343 



