Lasiocarpous 



OF BOTANICAL TERMS. 



Leaflet 



lASiOCAR'POUS, having pubes- 

 cent fruit. 



LA'TENT, remaining dormant 

 beyond the usual time, or 

 until called into growth by 

 some particular stimulus. 



lA'TENT BUD, see Dormant 

 Bud and Adventitious Bud. 



LA'TENT PE'RldD, see Dor- 

 mant State and Resting 

 Period. 



LATERAL, attached to the side 

 of an organ. 



LATERAL, n., a side branch or 

 root. 



LAT'ERAL BUD, one situated on 

 the side of a branch, usually 

 in the axil of a leaf. Compare 

 Terminal Bud. 



LATERAL DEHISCENCE, when 

 the opening of an anther takes 

 place upon one or both sides, 

 instead of on the surface facing 

 or opposite to the pistil. 



LAT'ERAL NUCLE'OLUS, see 

 Paranucleolus. 



LAT'ERAL NU'CLEUS, see Para- 

 nucleus. 



LAT'ERAL PLANE, of a flower 

 or other lateral structure, a 

 plane passing from side to 

 side at right angles to the 

 median plane. The lateral 

 plane of a leaf, for example, 

 would pass between its upper 

 and lower surfaces. 



LA'TflX, a viscid milky fluid 

 found in certain plants, as the 

 lettuce. See Laticiferous 

 Vessels. 



LA'TEX TUBES, see Laticifer- 

 ous Vessels. 



LATfclF'EROtJS VES'SEL§, spe- 

 cial anastomosing tubes con- 

 taining the latex in such plants 

 as have milky juice; latex 

 tubes. 



LATiFOLlATE, having broad 

 leaves. Compare Stenoph- 

 yllous and Angustifoliate. 



lAtiFO'LIous, see Latifoliate. 



LATISEP^ATE, having a broad 

 septum or partition; — applied 

 to pericarps. Compare An- 

 gustiseptate. 



lAt'TICED, see Clathrate. 



LAT'TIgED CELL, see Sieve- 

 tube. 



LAX, loose; the opposite of close 

 or crowded. An inflorescence 

 may be lux because its pedicels 

 are flaccid or slender. 



LEADER, the upper portion of 

 the primary stem of a tree, or 

 a central upright branch which 

 extends beyond the rest of the 

 head. 



LEAF, an appendage to the stem, 

 definite in position, and usu- 

 ally expanded to receive air 

 and light. Besides leaves of 

 the usual forms which serve as 

 foliage there are other forms 

 for additional purposes, in- 

 cluding those which form the 

 various parts of a flower. See 

 Phyllome. 



LEAF-ARRANGE'MENT, see 

 Phyllotaxis. 



LEAF-BLADE, the expanded por- 

 tion of ordinary leaves; lamina. 



LEAF-BUD, a bud which imme- 

 diately upon expansion pro- 

 duces leaves only. Compare 

 Flower-bud. 



LEAF-gY'CLE, the course of a 

 spiral from the insertion of a 

 leaf through that of interme- 

 diate ones to the insertion of 

 the next leaf directly above or 

 below the place of starting. 



LEAF-GREEN, see Chloro- 

 phyll. 



LEAF'LET, one of the divisions 

 or blades of a compound leaf. 

 Leaflets are often articulated 



