Ray 



OF BOTANICAL TERMS. 



Region 



to sugar - cane). Compare 

 Sucker and Plant-cane. 



RAUMPAR'sIT, see Aulophyte. 



RAY, a branch of an umbel or 

 other somewhat radiating in- 

 florescence; the ligulate co- 

 rolla of an outer floret in a 

 head of Composite; the mar- 

 gin of any circular surface, as 

 distinguished from the central 

 portion or disk. 



RAY - FLORET, see Ligulate 

 Floret. 



RAY-FLOWER, one of the mar- 

 ginal florets of a head in Com- 

 posite; ray-floret; ligulate flo- 

 ret. Also, a marginal flower 

 in other flat-topped flower- 

 clusters, especially when dif- 

 ferent from those of the centre 

 or disk, as in hydrangea. 



RECEPTACLE, the place upon 

 or within which anything is 

 borne, as the summit of a 

 flower-stalk upon winch the 

 floral organs are arranged, or 

 upon which the flowers of a 

 head are situated. 



RfiCEPTACULAR, pertaining to 

 or growing upon a receptacle. 



RSlCEPTAC' ULAR TUBE, see 

 Calyx-tube. Compare Hy- 

 panthium. 



RECJ&P'TIVE SPdT, the place in 

 an oosphere at which the male 

 gamete enters; i.e., at which 

 fertilization takes place. 



REgfiSS', see Sinus. 



RECLINATE, bent over so that 

 the apex is lower than the 

 base, or until it rests on some 

 support; reclined; reclining. 

 Said of stems or branches 

 when erect or ascending at 

 the base, then turning toward 

 the ground; of leaves in the 

 bud when the blade is bent 

 down upon the petiole, etc. 

 When applied to a vine grow- 



ing upon the ground it has 

 about the same meaning as 

 Recumbent and Decumbent. 



RECLINED', see Reclinate. 



RECLINING, see Reclinate. 



RECRUDES'CENCE (obs.), see 

 Rejuvenescence . 



REC'TINERVED, parallel-veined. 



RECTIPETAL'ITY, the tendency 

 of growing organs to grow in 

 a straight line. (Vochting.) 



RECTISE'RIAL, in straight rows. 



RECtJR'VATE, see Recurved. 



RECURVED', curved outward or 

 backward to a moderate extent, 

 between forty-five and ninety 

 degrees. Compare Reflexed. 



REDtJ'PLICATE, applied to parts 

 of a flower in aestivation when 

 they are valvate aud have the 

 margins reflexed. 



REDUPLICA'TION, an increase 

 in the number of parts in a 

 flower according to the plan 

 upon which it is founded, i.e., 

 by the addition of similar 

 whorls; regular multiplication. 



REFLECTED, see Reflexed. 



REFLEXED', turned backward 

 or outward more than Re- 

 curved, or to about the same 

 extent but abruptly; reflected. 

 Compare Recurved and De- 

 flected. 



REFLORES'CENCE, blossoming 

 anew. 



REFRACTED, bent abruptly out- 

 ward or backward, at an angle 

 of more than forty-five degrees. 

 Compare Deflexed and Re- 

 curved. 



REGflNERA'TION, see Rejuve- 

 nescence. 



RE'GION, an extent of country 

 enclosing particular species, 

 which are distributed through 

 it in the stations adapted to 

 their growth, and which, owing 



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