Blastogenesis 



A DICTIONARY 



Botany 



BLASTOGflN'ESfS, reproduction 

 by buds; gemmation. (Obs.) 



BLAS'TUS (obs.), see Bud and 

 Plumule. 



BLIND, applied to a malforma- 

 tion, chiefly in certain culti- 

 vated plants, as cabbage and 

 cauliflower, in which the stem 

 terminates without producing 

 a head or inflorescence. A 

 " blind bud " is one which fails 

 to develop. To "go blind " is 

 to fail to produce flower-buds 

 where expected. 



BLIS'TERED, see Bullate. 



BLOOM, a coating on the surface 

 of fruits, leaves, etc., often 

 grayish or bluish in color, con- 

 sisting of miuute, waxy parti- 

 cles in the form of filaments, 

 granules, or layers. See Glau- 

 cous. 



BLOSSOM-BUD, see Flower- 

 bud. 



BLOTCHED, having distinct ir- 

 regular spots of color. Com- 

 pare Clouded. 



BLUNT, obtuse. 



BOAT-SHAPED, see Navicular. 



B6B, a popular name for the in- 

 florescence (thyrse) of sumach. 



BOLE, the body of a tree. 



BOLL, a globular pericarp, as 

 that of cotton. 



BOLT (Hort.), to run premature- 

 ly to seed, as carrots when they 

 seed the first year. 



BON"?, hard, brittle, and close in 

 texture, as the stone of the 

 peach. 



BOOT, a popular name for the 

 sheath of grains and other 

 grasses. 



BOR'DER, the expanded portion 

 of a gamopetalous corolla, con- 

 sisting of the united limbs. 

 See also Bordered Pit. 



BORDERED, having the margin 



different from the remainder 

 in form, color, or texture. 



BORDERED PIT, a thin spot or 

 opening in a cell-wall covered * 

 on each side by a thickened 

 convex body having a central 

 perforation; areolated dot; 

 discoid marking. Bordered 

 pore of Gregory. These mark- 

 ings are characteristic of the 

 wood-cells of Coniferae. The 

 border is the more or less di- 

 lated central portion of the 

 pit or passage between the 

 cells. 



BORDERED PORE, see Border- 

 ed Pit. 



BOSS, a rounded protuberance. 

 BdSSED, having a boss. Compare 

 Umbonate. 



BOS'TRYCHOID, CYME see Heli- 

 coid Cyme. 



B&S'TRYCHOID DICH6T 6MY, see 

 Helichoid Dichotomy. 



B&S'TRYX, see Helicoid Cyme. 



BOTAN'IcAl GEOGRAPHY, see 

 Geographical Botany. 



BOTAN'fcAL NAME, the generic 

 name followed by the specific 

 name. 



BOTANICAL NOMENCLATURE, 

 an account of the names of 

 plants, and of the laws for their 

 ' application. 



BOTAN iCAL TERMINOLOGY, an 

 account of the special words 

 used in describing plants. 



BOTANIC GAR'DEN, a collection 

 of growing plants systemati- 

 cally arranged for the purpose 

 of study. 



BdT'ANiZE, to seek for growing 

 plants for the purpose of bo- 

 tanical investigation. 



B6T'ANY, the science of plants; 

 phytology. See Structural, 

 Physiological, and System- 

 atic Botany, Botanical No- 



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