Aqueous 



OF BOTANICAL TERMS. 



Armed 



A'QUEOUS, nearly colorless. See 

 Hyaline. 



ArACH'NOID, covered with long 

 and loosely entangled hairs, 

 the hairs fewer and longer 

 than in Tomentose; cobwebby. 



ArA'NEUS, see Arachnoid. 



AR'BOR, see Tree. 



ARBO'REAL, pertaining to trees 

 or forests. 



ARBO'REOUS, having the nature 

 of a tree; pertaining to trees. 



ARBORESCENT, tree-like in size 



or form. 

 ArbORE'TUM, a botanical tree 



garden. 

 AR'BUSgLE, a low shrub having 



the form of a tree. 

 ARCES'THIDA (obs.), see Gal- 



BULUS. 



ARCHEBlO'SiS, the origin of life. 

 See Spontaneous Genera- 

 tion. 



ARCHEGO'NfUM (pi. Arehego'- 

 nia), the female organ in the 

 higher cryptogams. Com- 

 pare Oogonium. See Anthe- 

 ridium. 



ARCHESPO'RIUM, the cell, 

 group, or layer of cells from 

 which the spore-mother-cells, 

 and tapetum if any, are de- 

 rived in the higher cryptogams 

 and flowering plants. 



ARCH'ETYPE, the original type 

 or condition. 



ARCH'ICARP, the beginning of a 

 fructification; a celt or group of 

 cells fertilized by a sexual act, 

 as an ascogonium or carpogo- 

 nium. 



AR'C UATE, curved like a bow. 



AREA, a rather large space 

 bounded by cracks, lines, veins, 

 or part differing in color or 

 texture. Compare Areola. 



ARENACEOUS, growing in sandy 



places; arenareous; arenose; 

 sabuline; sabulose. 



ARENA'RIOUS, see Arena- 

 ceous. 



Ar'ENOSE, see Arenaceous. 



ARE'6LA(pl. Are'olae), diminutive 

 of area, any small space sur- 

 rounded by a part differing in 

 structure or color, as the spaces 

 bounded by the veins in reticu- 

 late leaves, by the cracks in 

 the surface of the thallus of cer- 

 tain lichens, or by the cell- 

 walls in the leaves of mosses; 

 areolation; areole. 



ArE'OlATE, divided into areolae. 



AREOlA'TION, (1) see Areola; 

 (2) the form and arrangement 

 of the areola? in mosses, etc. 



A'REOLE, see Areola. 



Ar6eN'TEUS, white with a tinge 

 of gray; silvery. 



ARGILLACEOUS, growing in a 

 clayey soil; argillose. 



AR GILLOSE, see Argillaceous. 



ARHI'ZAL, without roots. 



AR'IL, a false coat which some- 

 times surrounds the seed, 

 growing from the funiculus, 

 hilum, or placenta, as the mace 

 of nutmeg. Compare Stro- 



PHIOLE. 



ARiL'LA, see Aril. 



AR'ILLATE, having an aril. 



AR'ILLATED, see Arillate. 



AR'lLLODE, a false covering to a 

 seed resembling an aril. 



ARlL'LtJS, see Aril. 



ARIS'TA, see Awn. 



ArIS'TATE, having an awn. 



ARIS'TULATE, having a small 

 awn. 



ARM, in horticulture, a large 

 branch of a vine trained hori- 

 zontally. 



ARMED, having thorns, spines, 

 or prickles. 



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