kyanophilous 



laevigate 



kyanoph'ilous (KVOLVOS, blue ; 



love), used of any tissue which 

 readily absorbs blue staining ; 

 Ky'anophyll (<j>v\\ov, a leaf), nearly 

 pure chlorophyll freed from its 

 associated yellow pigment, xantho- 

 phyll (Wiesner) ; it is bluish-green 

 in colour. 



La'bel (labellum, a little lip), (l)Grew's 

 term for the pinnule or ultimate 

 segment of a Fern-frond; (2) LABEL- 

 LUM ; Labellum ; (1) the third petal 

 of Orchids, usually enlarged, and by 

 torsion of the ovary become anterior, 

 from its normal posterior position ; 

 (2) a sini'lar petal in other flowers. 



la'biate, labia'tus ( La t. , lipped) lipped, 

 usually bilabiate ; labiatiflor'ous, 

 -rus, used of certain Compositae 

 with bilabiate corollas to their 

 florets ; la'biose, labio'sus, applied 

 to a polypetalous corolla seemingly 

 two-lipped ; La'bium, the lower 

 lip of a Labiate flower. 



labyrinthifor'mis (labyrinthus,&stiL\ic- 

 ture with winding passages ; forma, 

 shape), marked by sinuous lines, 



f/., DAEDALEUS. 



Lac (Ital., lacca, a varnish), a resinous 

 exudation from various tropical 

 plants, occurring in commerce in 

 different forms ; Lac'case, the en- 

 zyme which produces LACQUER, 

 from fluid lac ; lac'cate, as though 

 varnished ; Lac' cine, a substance 

 found in lac, insoluble in water, 

 alcohol, or ether. 



lac'erate, lac'erus (lacer, mangled) ; 

 lacera'ted, tacera'tus ; torn, or ir- 

 regularly cleft. 



Lach'rima (Lat. , a tear), a drop of gum 

 or resin exuded from a tree : also 

 spelled Lach'ryma and Lacrhna ; 

 lach'ryrimiform, laclirim ifonn'is 

 (forma, shape), tear-shaped ; some- 

 times but less correctly spelled 

 lach'rymaeform, etc. 



Lacin'ia (Lat., the flap of a garment), 

 a slash or slender lobe; Lacinia'tion, 

 fissiou ; lacin'iate, lacinia'tus, 

 slashed, cut into narrow lobes ; 

 lacin'iform (forma, shape), fringe- 



like (Crozier) ; Lacin'ule, (l)a dim- 

 inutive lacinia or lobe ; (2) the 

 inc rved point of the petal in many 

 Umbelliferae ; lacin'ulate, lacin'u- 

 lose, finely laciniate, possessing 

 lacinulae. 



Lac'quer, a Japanese varnish; cf., 

 LAC and LACCASE. 



Lac'tase (lac, milk), Beijerink's name 

 for an enzyme which inverts sugar, 

 but is distinct from Invertase ; 

 Lac'teals, Lac'tifer (fero, I bear), 

 Lac'tents, Grew's names for latici- 

 ferous ducts ; lac'tens (Lat. ) milky, 

 white as milk ; lactes'cent, lactea' - 

 cens, yielding milky juice; lactic'olor 

 (color, colour) milk-white ; lacti- 

 ferous, Grew's word for laticiferous; 

 Lac'tose, milk-sugar; the sweet prin- 

 ciple of milk, and stated to occur in 

 the fruit of Achras Sapota, Linn. 



Lactuca'rium, the dried juice of the 

 lettuce, Lactuca sativa, Linn., con- 

 taining an active principle, Lac'tu- 

 cine. 



Lacu'na (Lat., a hole or cavity), (1) an 

 air-space in the midst of tissue ; 

 (2) a depression on the thallus of 

 a Lichen ; lacu'nar, pertaining to 

 or arising from lacunae ; ~ Tis'sue, 

 thin-walled cells, forming irregular 

 trabeculae radially traversing the 

 intercellular cavity of the stem of 

 Selaginella ; it may be regarded as 

 the equivalent of the Bundle-Sheath 

 of most other vascular Cryptogams; 

 lacu'nose, lacuno'sus, (1) when the 

 surface is covered with depressions ; 

 (2) perforated with holes ; lacu'no- 

 rimo'sus, marked with irregular 

 cracks and excavations ; lacu'no- 

 ru'gose, ~ -rur/osus, having irregular 

 wrinkles, as the stone of the peach. 



lacus'tral (lacus, a pond or lake), H.C. 

 Watson's term for plants which are 

 usually floating in water or im- 

 mersed ; lacus'trine. lacus'tris, be- 

 longing to, or inhabiting lakes or 

 ponds ; the form lacus'ter has been 

 introduced recently. 



laev'igate, laeviga'tus (levigatus, 

 smooth, slippery), smooth, as if 

 polished. 



142 



