Juba 



OF BOTANICAL TERMS. 



Labium 



JtJ'BA, a loose panicle. (Obs.) 



JtJ'GUM (pi. Ju'ga), (1) one of 

 the ridges on an umbelliferous 

 fruit; (2) a pair of leaflets in a 

 pinnate leaf. 



JULA'QEOUS, see Amentaceous. 



JU'LIFORM, resembling an anient 

 or catkin. 



JU'LUS, see Ament. 



JtJVENES'CENCE, see Rejuve- 

 nescence. 



KARYOkINE'SIS (also spelled 

 Caryocinesis), Schleicher's 

 term, which has been gener- 

 ally adopted, for the trans- 

 formations of the nucleus 

 during cell-division; indirect 

 division of Fleming. 



KARYdL'YSiS, the dissolution of 

 the nucleus or some part of it. 



KARYOMITO'SfS, see under 

 Mitosis. 



KAR'YOPLAsM, see Nucleo- 

 plasm. 



KARYOSO'MA (pi. Karyosom'ata), 

 a consolidated mass of micro- 

 somata in a nucleus. 



KAtAbOL'IC, a term applied by 

 Geddes to disruptive, destruc- 

 tive, or descending metabo- 

 lism, accompanying the waste 

 of tissues, resulting in the 

 formation of chemical prod- 

 ucts of simpler composition; 

 catabolic. Compare Anabolic. 



KATHOD'iC, see Cathodic. 



KEEL, a ridge somewhat resem- 

 bling the keel of a boat; par- 

 ticularly the two inferior petals 

 of a papilionaceous flower 

 which are more or less united 

 into a keel-shaped body; ca- 

 rina. 



KEELED, having a keel or longi- 

 tudinal ridge; cariuated. 



KERAMlD'IUM, see Ceramid- 

 ium. 



KEY, see Samara. 

 KEY-FRUIT, see Samara. 

 KID'NEY FORM, see Reniform. 



KID' NEY-SH APED, see Reni- 

 form. 



KNEE, a kind of knot which pro- 

 jects upward into the air from 

 the roots of the bald cypress 

 (Taxodium disticJmm) and 

 some other trees. Produced 

 mainly in wet soil, and for- 

 merly supposed to serve for 

 aeration, but now believed to 

 be an organ of strength. See 

 Pneumatode. The term knee 

 is also applied to any abruptly 

 bent or knee-shaped organ. 



KNEE-JOINTED, see Genicu- 

 late. 



KNEEPAN-SHAPED, see Patel- 



LIFORM. 



KNOT, a node or swollen joint; 

 a protuberance on the surface 

 of a tree, as where a branch 

 has been removed and the cut 

 or broken surface is more or 

 less overgrown; a place in the 

 wood where the tissues are dis- 

 placed by an injury or by the 

 passage of a branch. 



KNOTTED, cylindrical, and 

 swollen at intervals, some- 

 what like a knotted cord. 



LABilL'LUM, the large lower 

 petal of au orchid; lip. 



LA'BlATE, gamopetalous, with 

 two divisions, anterior aud 

 posterior; two-lipped; bila- 

 biate. The two lips of a la- 

 biate flower are usually un- 

 equal and the flower irregular, 

 as in snap-dragon. 



LA'BlOSE, having the petals of a 

 polypetalous corolla arranged 

 so as to imitate the labiate form. 

 (Rare.) 



LA'BIUM, the lower lip of a 

 labiate flower. 



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