Obligate 



OF BOTANICAL TERMS. 



Octosporous 



dB'LIGATE, necessary; essential. 

 Compare Facultative. 



dB'LIGATE-PAR'AslTE, an or- 

 ganism to which a parasitic 

 life is indispensable for the 

 attainment of its development. 

 Compare Facultative Para- 

 site. 



6BLIQ.TJE', (1) occupying a posi- 

 tion between horizontal and 

 erect; (2) having one side ex- 

 tending farther forward than 

 the other; (3) having one side 

 more developed than the other, 

 as many leaves and some fruits; 

 unsymmetrical. In pomology, 

 Oblique is used in the second 

 sense only, the third being 

 called Angular. 



tiBLITEBA'TION, see Suppres- 

 sion. 



dB L6NG, longer than wide, with 

 nearly parallel sides. Com- 

 pare Oval. 



OBO VAL, sometimes used im- 

 properly for Obovate. 



dBO'VATE, ovate with the at- 

 tachment at the narrow end. 



dBO'VOID, ovoid, and attached 

 by the small end. Sometimes 

 used incorrectly for somewhat 

 obovate. 



dB'SOLETE, suppressed, or very 

 rudimentary; scarcely appar- 

 ent. See Abortive. 



6BTUSE', having a rounded end 

 or apex; blunt. Compare 

 Acute. 



dBVAL'LATE, appearing as 

 though surrounded by a wall. 



6B VERSE', inverse; reverse; — as 

 a leaf which is narrowest at 

 the base. 



OB'VOLUTE, a modification of 

 Convolute in which the entire 

 halves of adjoining organs suc- 

 cessively overlap or enfold each 

 other. Half-equitant is one 

 form of this condition. 



og^L'LATE, see Ocellated. 



OCELLATED, having a circular 

 patch of color with a spot of 

 another color within it like an 

 eye; ocellate; oculate. 



OCflL'LtJS, a circular spot, re- 

 sembling an eye. 



OCHRA'CEOUS, brownisli yellow; 

 yellowish. 



6'CHREA (pi. O'-ehrese), see 



OCREA. 



€HREATE, see Ocreate. 



OCHROLEU'COtJS, yellowish 

 white; whiter thai^Ochraceous. 



6'€REA (pi. 0'«rese), a sheath 

 formed by a stipule or pair of 

 stipules united around the 

 stem, as in sycamore. 



O'tlREATE, having ocreae. 



6CTAG'YN0US, see Octogynous. 



6CTAM'ER0US, having the parts 

 iu eights, as a flower with eight 

 petals, eight stamens, etc. 



6CTAN DROUS, having eight sta- 

 mens. 



OCTO- (or OCTA-), (from the 

 Greek,) eight. 



6CT6G'YNOtJS, having eight pis- 

 tils or styles; octagynous. 



OCTOLdC'ULAR, having eight 

 cells or compartments in a 

 fruit or pericarp. 



tiCTOPET/ALOtJS, having eight 

 petals. 



OCTORAdIATE, having eight 

 rays, as some ligulate flowers. 



6CT0SPER MOtJS, eight-seeded. 



6CT0SP0RE, an eight-fold tetra- 

 spore. Formerly applied to 

 the oogonium of Fucus vesicu- 

 lomis, "which contains eight 

 oospheres. 



6CT0SP0R0u"S, containing eight 

 spores, as most asci. 



CCtJLATE, see Ocellated. 



6DDLY PtN'NATE, see Impari- 



PINNATE. 



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