LEOCUS 377 



of these are formed ready to start growth in the next spring, whilst 

 the mother plants sink to the bottom. The fls. are also borne in 

 these grooves. There is a very reduced spathe, with 2 <J fls. (each 

 reduced to i sta.) and i ? (i cpl.). 



Lemnaceae (EP., BH.). Monocotyledons (Spathiflorae ; Nudiflorae 

 BH.). 3 gen., 18 sp. of free-swimming perennial water-pi, with no 

 1. The description of Lemna applies to the others also. Fls. uni- 

 sexual, monoec.; 3 of i sta., ? of i cpl., with i 6 basal, erect, ortho- 

 to ana-tr. ovules. The micropylar end of the inner integument forms 

 a kind of lid upon the seed. Endosperm slight. Often regarded as 

 very reduced Araceae. Genera: Spirodela, Lemna, Wolffia. 



Lemnopsis Zipp. Podostemaceae (inc. sed.). 3 Malaya. 



Lemon, Citrus Medico, L., var. Limomiin ; - grass, Cymbopogon citralus 

 Stapf; - tree, bastard (W.I.), Fagara; water -, Passiflora lauri- 

 folia L. 



Lemurorchis Krzl. Orchidaceae (n. 17). i Madag. 



Lencymmaea C. Presl. Inc. sed. i Burma. 



Lennea Klotzsch. Leguminosae (m. 6). 2 Mexico, C. Am. 



Lennoa Lex. Lennoaccae. 3 Centr. Mexico. 



Lennoaceae (EP., BH.}. Dicotyledons (Sympet. Ericales). 3 gen., 

 5 sp. S. California, Mexico. Herbs parasitic by their roots on roots 

 of Clematis, &c. Fl. $ , reg. , 5 oo -merous, with sta. in one whorl 

 epipet. at base of tube, anthers with slits; G (6 14) each with false 

 septum and 2 ovules. Drupe with 12 28 stones. Endosp. Genera: 

 Pholisma, Ammobroma, Lennoa. 



Lenophyllum Rose. Crassulaceae. 5 Mexico, Texas. 



Lens (Tourn.) L. Leguminosae (in. 9). 6 Medit., W. As. L. esculenla 

 Moench (Ervmn Lens L.) is the lentil, a food-plant of great antiquity. 

 The seeds furnish a flour. 



Lentibulariaceae (EP., BH.}. Dicotyledons (Sympet. Tubiflorae; 

 Personales BH.). 5 gen., 250 sp. cosmop. All are insectivorous 

 plants and show many interesting features in their veg. organs; for 

 details see genera. Infl. usu. a raceme or spike; fls. sol. in Pingui- 

 cula, &c. Fl. S , ] , 5-merous. K 2 5-lobed, the odd sepal posterior, 

 often 2-lipped, persistent on the fr.; C (5), 2-lipped, the lower lip 

 spurred; A 2 (the anterior pair), epipet., with i-loc. anthers; G (2) 

 i-loc. with free-central placenta and sessile 2-lobed stigma (the pos- 

 terior lobe abortive); ovules oo or 2, anatr., often sunk in the 

 placenta. Capsule with oo seeds, opening by 2 4 valves, or with i 

 seed indehiscent. Seed exalb. Genera: Pinguicula, Genlisea, Poly- 

 pompholyx, Utricularia, Biovularia. Cf. Insectivorous plants. 



Lenticel, a breathing pore in the bark, Sambuctis. 



Lenticular, lens-shaped. 



Lentiginose, minutely dotted. 



Lentil, Lens escitlenta Moench. 



Lentiscus (Tourn.). L. = Pistacia L. (Anacard.). 



Lenzia Phil. Amarantaceae (inc. sed.) (sometimes Portulacaceae). 

 i Chili. 



Leochilus Knowles et Westc. (Oncidiiim p.p. EP.). Orchidaceae (n. 

 19). 7 Mexico to Peru, W.I. 



Leocus A. Chevalier. Labiatae (vn). \ trop. Afr. 



