octosepalous 



oligodynamie 



lum), with eight sepals ; octo- 

 sper'mous (a-irepixa, seed), eight- 

 seeded ; Oc'tospore {airopa, seed) = 

 the CARPOsroiiB of Porphyraoeae ; 

 octosp'orous, eight sppred ; octo- 

 ste'monous {a-T-qfjiav, a thread), with 

 eight fertile stamens ; octos'ticlious, 

 •us (arrlxos, a series), in eight rows ; 

 OCtotrip'loid (rpiirAhos, threefold), 

 used of a nucleus, formed by division 

 of synti iploid nuclei and subsequent 

 fusion (Neraec). 



oc'ulate {oculiis, an eye) = ocellate ; 

 Oc'ulas, (1) the first appearance of 

 a bud, especially on a tuber ; (2) 

 the depression on the summit of 

 some fruits, as the apple. 



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

 let, iraparipinnate. 



-odes (eI5o^, resemblance), a suffix for 

 similar to ; as phyllodes, like a 

 leaf. 



odon'toid (odovs, 686vtos, a tooth ; 

 €l5os, resemblance), tooth-like 

 dentate (Heinig). 



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. 



Oece'sis = Ecesis. 



Oecorogy, and similar words derived 

 from otK-ncTis, dwelling, Avill be found 

 under Ecology, etc. 



Oede'ma, pi. Oede'mata {otdr^fxa, a 

 swelling), (1) the tumid glands on 

 woody tissues of Conifers ; (2) pro- 

 posed in place of ''substitute Hy- 

 dathodes" ; (3)= Intumescences. 



oedogonia'ceous, pertaining to Oedo- 

 gonium or its allies. 



Oek'iophytes {oIkIov, a dwelling; (pvrhv, 

 a plant), native cultivated plants 

 for ornament or use (Naegeli and 

 Thellung). 



offici'nal, qfficina'lis (Lat., of the 

 shops), used of medicinal or other 

 plants procurable at shops. 



Offset, a lateral shoot used for propa- 

 gating, as in the houseleek ; OfT- 

 shoot, an offset. 



often-bear'ing, producing more tlian 

 once in the season, multiferous. 



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

 from f'lSos, resemblance ; as j^ctoi- 

 oideus, resembling a petal. 



Oid'ium, pi. Oid'ia {whv, an egg, -f 

 l^iov, a diminutive), a term used to 

 denote 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, gimi-cells ; -' 

 Plas'tids, Er.AioPLASTS ; -- Tube, a 

 synonym of Vitta in the fruit of 

 Umbelliferae. 



oleag incus, -us {oleagincus, pertaining 

 to the olive), oily and succulent. 



o'leic {oleitm, olive oil) Ac'id, 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. 



o'leoid [Olca, eUos, resemblance), used 

 of plants whose leaves are traversed 

 by fibres, as in the olive (Vesque). 



Oleores'in {oleum, olive oil, + Resin), 

 the natural admixture of a resin 

 and an essential oil, forming a 

 vegetable balsam or turpentine. 



oleo'so-loc'ular, applied to those 

 Lichen-spores whose cells appear as 

 drops of oil. 



olera'ceous, olera'ceus (Lat., herb-like), 

 (1) having the nature of a pot-herb, 

 esculent ; (2) J growing in cultivated 

 places (De CandoUe). 



OliVamim (Arab., ol oral, the ; Luban, 

 milk), a bitter and aromatic gum- 

 resin from several species of Bosxoel- 

 Ha ; the frankincense of commerce. 



oligan'drous, -rus [o\iyos, few ; kv^p, 

 av^phs, a man), with few stamens ; 

 oligan'thoas, -thus, {HvQos, a flower), 

 few flowered ; ol'igarch [kpxh, 

 origin), (1) applied to a vascular 

 cylinder containing but few bundles 

 (Crozier) ; (2) when a stele possesses 

 few protoxylem elements ; oligo- 

 dynam'ic {hvvayns, power), Naegeli's 

 term for the poisonous condition of 



255 



