Lactose 



lanuginous 



occiir in the fruit of Achras Sapota, 

 Linn. 



Lactuca'rium, the dried juice of the 

 lettuce, Lactuca sativa, Linn., con- 

 taining an active principle, Lac'ta- 

 cine. 



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

 air-space in the Ihidst of tissue ; 

 (2) a depression on the thallus of a 

 Lichen ; (3) applied to the vallecular 

 canals of Equisetum ; lacu'nar, per- 

 taining to or arising from lacunae ; 

 '-' Tis'sue, thin-walled cells, forming 

 iiTegular trabeculae radially travers- 

 ing the intercellular cavity of the 

 stem oi Selaginella ; it may be re- 

 garded as the equivalent of the 

 Bundle-Sheath of most other vas- 

 ciilar Cryptogams ; lacu'no-rimo'sus, 

 marked with irregular cracks and 

 excavations liacu'no-ru'gose, ~ -rugo- 

 sus, having irregular wrinkles, as 

 the stone of the peach ; lacu'nose, 

 Ictcitno'sus, (1) when the surface is 

 covered with depressions ; (2) per- 

 forated with holes. 



lacuB^tral (Zocus, a pond or lake), H. C. 

 Watson's term for plants which are 

 usually floating in water or immersed ; 

 lacus'trine, laeus'tris, belonging to, 

 or inhabiting lakes or ponds; the 

 form lacus'ter has been introduced 

 of late years. 



laev'igate, laeviga'tas [leviyatns, 

 smooth, slippery), smooth, as if 

 polished. 



lae'vis {levis, smooth), smooth, in the 

 sense of not being rough. 



Lage'nian, pertaining to Leinster, from 

 lAigenia, the Latin name of that 

 province. 



lage'niform, lageniform'is llagena, a 

 fiaski forma, shape), shaped like a 

 Florence flask. 



Lagenost'ome, the free apex of the 

 nucellus in Lagenostoma. 



lago'pus {\ayu>Trovs, hare's foot), hare- 

 footed, densely covered with long 

 hair. 



Lair-flo'ra, the flora groAving upon 

 ground manured by animals, as sheep 



or goats (Crampton) ; herb'age, 



the plants forming a similar flora. 



Lam'el, LameVla (Lat. , a thin plate or 

 scale), a thin plate ; pi. , Lamei'lae, the 

 gills of Agarics; Lameria, mid'-dle, 

 the membrane or primary septum 

 between any two cells; lam'ellar, 

 lamella'ris, composed of thin plates ; 

 lam'ellate, lamella' tus, mads up of 

 thin plates, as the hymenium of tlie 

 nmshroom ; lameriiform {forma^ 

 shape), in the shap« of a plate or 

 scale; lam'ellose, laiiullo'sus = Lam- 

 ellate ; Lamel'lulae, the gills of 

 Fungi. 



Lam'ina (Lat., a thin leaf), the limb, 

 blade, or expanded part of a leaf; 

 '-' prolig'era, -' sporig'era, the disk 

 or centre of the apothecium of a 

 Lichen ; lamina'ted, consisting of 

 plates or layers ; ~ Bulbj & tunicated 

 bulb, as a hyacinth; ISIiiiiia'ting, 

 separating into layers. 



Laminarie'tum, an association of the 

 marine algal genus Laminaria ; 

 lamina'rioid (eZSoy, resemblance), 

 resembling or akin to the genua 

 Laminai'ia. 



La'na (Lat.), wool, or woolly covering ; 

 la'nate, lanatus, clothed with woolly 

 and intergi'own hairs. 



lau'ceolate, lanceola'ius (Lat., armed 

 with a little lance), (1) narrow, 

 tapering to each end ; Linnaeus used 

 it for a leaf having nearly similar 

 extremities, but in modern use the 

 base is usually somewhat broadened, 

 with the greatest breadth at about 

 one-thil-d from the base ; (2) the 

 primitive meaning is preserved in 

 Carduus lanceolatiis, Linn. ; '^ 

 -has'tate, a ha.state leaf with the 

 principal lobe lanceolate ; — sag'it- 

 tate, a sagittate leaf, the middle 

 lobe lanceolate; lance-o' vate (Crozier), 

 lanceolate ovate, indicative of a form 

 intermediate between the two named 

 terms ; lance-shaped, lanceolate. 



Landes (Fr.), tracts of " Erica-maquis " 

 in the south of France, but destitute 

 of raw humus (Warming). 



la'nose, lano'sus (Lat.) woolly, cf. 



LANATE. 



lanu'ginose, lanu'ginous, lanugino'sus 

 (Lat.), woolly or cottony, clothed 



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