LEMNA 



196 



LEPIDOMELANE 



Lemna, (lem'na).=Duck-weed: a plant, con- 



sisting of fronds, bearing flowers 011 the edge, 



the type of Leninaceae. 

 Lemnaceae, ( lem-na'se-e ). [Lemna, q.v.]= 



Lemnads = Duckweeds = Pistiacese: small 



fronds, with very few flowers, common in 



stagnant waters, belonging to Fluviales, 



the lowest known form of phanerogamous 



plant-life. 

 Lemniscate, ( lem'ni-skat ). [ Lemniscus, a 



ribbon or bow.] A curve, in the form of the 



figures. 

 Lemon, (lem'on). [Limon, the Spanish name. ] 



=Citrus limonum: a plant, belonging to 



Aurantiaceae, the fruit of which is edible. 



L. grass. Andropogon citratum. 

 Lemon, oil of^CioHioC^: obtained from 



lemons and oranges. 

 Lemons, salt of=Fotassic binoxalate. 

 Lemur, (le'mur). [L. Lemur, ghost.] A 



small nocturnal animal, resembling the 



ape, found in Madagascar, belonging to 



Quadrumana. 

 Lemuridae, (l6-mu'ri-d2). [Lemur, q.v.; Gk. 



eidos, form.] A sub-division of Primates, 



q.v.: animals belonging to Quadrumana, 



chiefly found in Madagascar, which connect 



Marsupiata and Simiadao. 

 Lemurina, (le-mu'ri-ne). [Lemur, q.v.] A 



sub-division of Lemuridae, including the 



lemur, hapalemur, &c. 

 Lemuroidea, (le-mu-roi'de-a). [Lemur, q.v. ; 



Gk. eidos, form.] A family of animals, be- 



longing to Quadrumana, of which the lemur 



is the type. 

 Length, measures of. Klafter=2'074 English 



yards; Metre=r0936 English yards; Toise= 



2-1313 English yards; Yard=3 ft. =36 inches. 



v. Tables. 



Lenguas. A people of S. America. 

 Lens, (lenz). [L. lens, lentil.] Singular of 



Lenses, q.v.: the name is given from the 



shape. Achromatic L.: in which two or 



more lenses are arranged so as to prevent 



tihe image being coloured at the edges. 



Crystalline L. of eye: transparent and 



doubly-convex; between the aqueous and 



vitreous humours. 

 Lenses, (lenz'ez). [Lens, 



q.v.] Transparent bo- 



dies, usually glass, with 



regular curved surfaces, 



so that rays of light are 



made to converge or 



diverge when passing 



through. 

 Lentibulariaceae, (len-ti- 



bu-la-ri-a'se-e)=Butter- 



worts: aquatic or marsh 



herbs, with monopeta- 



lous flowers, belonging 



[len- 



title, the .trench name.] concave; d, pJano-cou- 

 =Ervum lens: a plant cave; e, meniscus; /, 

 belonging to Fabacefe. c^avo-convex. 

 Leo, (le'6). [The Latin name.] 1. The Lion: 

 the fifth constellation of the Zodiac, con- 

 taining the stars Eegulus and Deneb. 2. 



Leo. 



Leo Minor: a small 

 constellation, be- 

 tween Leo and 

 Ursa Major, for- 

 med in the seven- 

 teenth century. 

 3. The fifth sign 

 of the Zodiac, 

 which now con- 

 tains the constel- 

 lation Cancer. 



Leonis, (le-6'nis). [Leo. q.v.] Belonging to 

 the lion, a Leonis=Regulus=Cor Leonis: 

 the chief star in the constellation Leo. t 

 Leonis=Denebola=The Lion's tail 



Leontodon, (le-on'tS-don). [Gk. leon, lion; 

 odous, tooth.] = Hawkbit: an herb, with 

 milky juice, belonging to Asteraceae. 



Leonurus, (ie-6-nu'rus). [Gk. leon, lion ; oura, 

 tail.]=Mother-wort: an herb, with small 

 flowers, belonging to Labiatae. 



Leopard, (lep'ard). [Leopardus, the Latin 

 name.] = Felis leo- 

 pardus: a tiger-like 

 animal, belonging 

 to Felidae, usually 

 spotted, but some- 

 times black. L. " 

 bane = Doronicum * 

 and Arnica: herbs 

 belonging to Aste- 

 racero. Leopard. 



Lepadidae, (lep-ad'i-de). [Gk. lepas, limpet, 

 eidos, form.]=Lepades: fossil, pedunculattsd 

 cirripedia, found from Jurassic to recent 

 rocks; also called Barnacles. 



Lepas, (lep'as). [Gk. lepas, limpet.]=redun- 

 culated cirripede=Barnacle, q.v. 



Lepchas. An Asiatic people. 



Lepides, (lep'i-dez). [Gk. lepis, scale.] Small 

 scales on plants, &c. 



Lepidine, (lep'i-din)=CioH9N: a base, belong- 

 ing to the Quinoline series, obtained from 

 coal tar. 



Lepidium, (lep-id'i-um). [Gk. lepis, a scale.] 

 =Cress: an herb, with small white flowers, 

 belonging to Brassicaceae. 



Lepidodendra, (lep-i-do-den'dra). [Gk. lepis, 

 scale; dendron, tree.] Coal-plants, belonging 

 to Lycopodiacese, of which very many 

 remains are found in coal. Spores of L. 

 =Flemingites. 



Lepidodendron, Singular of Lepidodendra, 

 q.v. 



lepidoganoid, (lep-i-do-gan'oid). [Gk. lepis, 

 scale; ganos, splendour.] Ganoid fislies, 

 covered wioh scales, and having a bony 

 skeleton. L. fishes are a sub-division of 

 Ganoidei, q.v. 



Lepidogaster, (lep-i-do-gas'ter). [Gk. lepis, 

 scale; gaster, belly.]=Sucker: a small fish 

 belonging to Acanthopteri. 



Lepidokromite. A variety of Gothite, q.v. 



Lepidolite, (lep-id'6-lit). [Gk. lepis, scale; 

 lithos, stone.]=Lithia mica: a mineral of 

 the mica group; a silicate of alumina, lithia, 

 <fec., found in pearly scales or plates. 



Lepidomelane, (lep-i-dom'e-lan). [Gk. lepis, 

 scale; melas, black.] = Iroii-lithia-mica: a 



