ORG 



293 



OHO 



n. , drg'an-izm, a body possessing | 

 an organic structure : organic 

 bodies, such bodies as possess 

 life and sensation : organic 

 disease, a disease marked by 

 the altered structure of an organ : 

 organic remains, the remains of 

 organised bodies found in a fossil 

 state in the crust of the earth. 



organogeny, n., drg'-dn-odf-en-i, 

 also organogenesis, drg'dn-d-jen' 

 &S'is(Gr. organon, an instrument ; 

 gennao, I produce ; genesis, 

 origin), in hot., the development 

 of organs from their primitive 

 condition : organography, n. , 

 tirg'an'dg'raf'i (Gr. grapko, I 

 write), in bot., the description or 

 study of the structure of plants. 



organology, n., drg'an-dl'd-ji (Gr. 

 organon, an instrument ; logos, 

 discourse), that branch of physi- 

 ology which treats of the organs 

 of animals ; organography. 



Origanum, n., or-ig^dn-um (Gr. 

 tiros, a mountain ; ganos, joy, 

 delight), the Marjorams, a genus 

 of well-known plants, Ord. 

 Labiatse so named from the 

 habitat of the plants : Origanum 

 vulgare, vulg-dr'8 (L. vulgdris, 

 common, vulgar), wild marjoram, 

 which yields a stimulant, acrid 

 oil, sold as oil of thyme : 0. 

 majorana, madf-or-dn'-d (perhaps 

 a corruption of L. amdrdcum, 

 marjoram), the sweet or 

 knotted marjoram : 0. onites, 

 tin-U'-ez (Gr. tinitfo, the sweet 

 marjoram) ; also called 0. dic- 

 tamnus, dik-tam'nus (L. die- 

 tamnus, the plant Dittany so 

 named from growing abundantly 

 on Mount Dicte in Crete), the 

 Dittany of Crete, the pot-mar- 

 joram : 0. heracleoticum, her'- 

 d-kle-d't'ik'um (L. heracleoticus, 

 of or pert, to Heraclea, a city of 

 Pontus named after Hercules, 

 where best produced), the winter 

 sweet marjoram, all of which 

 are similar in properties. 

 ornithodelphia, n. plu. ; tirn'-fth-o- 



delf-i-a (Gr. ornis, a bird, orn- 

 Uhos, of a bird ; delphus, a 

 womb), in zoo/., the primary 

 division of mammals, including 

 the Monotremata. 



ornithology, n., ^n'-iih-ol'-o-jl 

 (Gr. ornis, a bird, ornlthos, of a 

 bird ; logos, discourse), that 

 branch of natural history which 

 treats of the form, structure, 

 habits, and uses of birds. 



Ornus, n., tirn'&s (L. ornus, the 

 wild mountain ash), a genus of 

 the Flowering Ash, called also 

 Manna Ash from yielding the 

 substance called 'manna,' Ord. 

 Oleacese : Ornus rotundifolia, 

 rdt-und'i'fol'i'd (L. rotundus, 

 round ; folium, a leaf) ; and 0. 

 Europaea, ur'-op-e'-a (of or from 

 Europe), yield the sweet exuda- 

 tion called ' manna, ' but not the 

 manna of the Israelites in the 

 wilderness. 



Orobanchaceae, n. plu., or-o- 

 bangle 'd f 'S6'6 (Gr. orobds, a 

 vetch ; angcJw, I strangle, as 

 supposed to kill plants on which 

 they grow), the Broom - rape 

 family, an Order of plants, 

 generally astringent and bitter : 

 Orobanche, n., dr'd-bdngk'e, 

 the Broom - rapes, a genus of 

 curious parasitical plants, so 

 named from the ravages they are 

 supposed to commit on the 

 broom tribe : Orobanche rapum, 

 rap'-iim (L. rdpum, a turnip), a 

 species parasitical upon broom 

 and furze : 0. ramosa, ram-dz'd 

 (L. rdmosus, branchy, ramose), 

 a species parasitical upon hemp : 

 0. rubra, r6b f >ra (L. ruber, red, 

 ruddy), parasitical upon common 

 thyme : 0. minor, min'dr (L. 

 minor, less), parasitical upon red 

 clover : 0. hederse, lied'-er-e (L. 

 hedera, the plant ivy, hederce, 

 of the plant ivy), parasitical upon 

 the ivy : 0. elatior, el-dt'-i-dr 

 (L. eldtus, productive, eldtior, 

 more productive) ; and 0. aren- 

 aria, dr^en-dr^-d (L. arenvrius, 



