octandrous 



with eight stamens ; octan'drous, 

 having eight stamens. 

 Oc'tant (octaus, a half-quadrant), the 

 division of an oospore ; ~ Wall, 

 applied to the septum which cuts 

 the oospore into octants. 

 octan'therous (<kru, eight, dvdijpos, 

 flowery), having eight fertile sta- 

 mens ; octari'nus (iLppyv, a male), 

 Necker's term for OCTANDROUS. 

 octofa'rius (L. Lat. ), in eight ranks or 



rows. 



octog'ynous = OCTAGYNOUS. 

 octoloc'ular (octo, eight,loculus, a little 

 place), applied to an eight-celled 

 fruit or pericarp ; octopet'alous, 

 -lus (TTTa\ov, a flower-leaf), with 

 eight petals ; octora'diate (radius, 

 a ray), with eight rays, as some 

 Compositae ; octosep'alous ( + SEPA- 

 LDM), with eight sepals ; octo- 

 sper'mous (o-irfy/xa, seed), eight- 

 seeded ; Oc'tospore (a-iropa, seed) = 

 the CARPOSPORE of Porphyraceae ; 

 octosp'orous, eight-spored ; octo- 

 ste'monous (O-TTJAIWJ/, a thread), with 

 eight fertile stamens ; octos'tichous, 

 -us (ffrixos, a series), in eight rows. 

 oc'ulate (oculus, an eye) = ocELLATE ; 

 Oc'ulus, (1) the first appearance of 

 a bud, especially on a tuber ; (2), 

 the depression on the summit of 

 some fruits, as the apple, 

 -odes (elSos, resemblance), a suffix for 

 similar to ; as phyllodes, like a leaf. 

 od'dly pin'nate, with a terminal leaf- 

 let, imparipinnate. 



odora'tus (Lat.), fragrant, usually 

 restricted to sweet smelling O'dours, 

 which, in flowers, are sometimes 

 due to essential oils which can be 

 distilled off ; at other times the 

 scent cannot be collected by chemi- 

 cal means. 



Oede'ma (otS^a, a swelling), J the 

 tumid glands on woody tissues of 

 Conifers. 



Oecol'ogy (olVos, a house, Xo'7os, a 

 discourse), the study of plant-life 

 in relation to environment ; adj. 

 oecolog'ical ; Oecol'ogist, a student 

 of the life of the plant in relation 

 to its surroundings ; NOTE. these 



oligodynamic 



words are frequently spelled, Ecol'- 

 ogy, ecological, Ecol'ogist. 

 offlci'nal,q$?cwa7is (Lat. , of the shops), 

 used of medicinal or other plants 

 prociirable at shops. 

 Offset, a lateral shoot used for propa- 

 gating, as in the houseleek ; Off- 

 shoot, an offset. 

 often-bearing, producing more than 



once in the season, multiferous. 

 -oides, -odes, -ides, -oideus, suffixes 

 from eTSos, resemblance ; as petal- 

 oideus, resembling a petal. 

 Oid'ium, pi. Oid'ia (wof, an egg, + iSiov, 

 a diminutive), a term used to de- 

 note concatenate conidia (Cooke) ; 

 not to be confounded with the 

 form - genus Oidium, Link, the 

 conidial stage of Erysipheae. 

 Oil, used for any fluid fat-bodies in 

 plants, chiefly stearic, palmitic, or 

 oleic acids ; ~ Cells, gum-cells ; ~ 

 Plas'tids, ELAIOPLASTS ; ~ Tube, a 

 synonym of VITTA in the fruit of 

 Umbelliferae. 

 oleaginous, -us (oleagineus, pertaining 



to the olive), oily and succulent. 

 oleic (oleum, olive oil) Acid, a glycer- 

 ide or fat occurring in plants ; 

 O'lein or O'leine, one of the vege- . 

 table fats, 

 ol'ens (Lat.), smelling, especially 



sweetly odorous. 



Oleoresln (oleum, olive oil, + RESIN), 

 the natural admixture of a resin 

 and an essential oil, forming a 

 vegetable balsam or turpentine, 

 olera'ceous, oltra'ceus (Lat., herb- 

 like), (1) having the nature of a 

 pot-herb, esculent ; (2) growing 

 in cultivated places (De Candolle). 

 Olib'anum (Arab., ol or al, the, 

 Luban, milk), a bitter and aromatic 

 gum-resin from several species of 

 Boswellia, the frankincense of com- 

 merce. 



oligan'drous, -rus (6\lyos, few, dvrjp, 

 dvdpos, a man), with few stamens ; 

 oligan'thous, -thus (dV0os, a flower), 

 few- flowered ; oligodynamic (5iW- 

 ytus, power), Naegeli's term for the 

 poisonous condition of water con- 

 taining minute traces of copper 



174 



