530 PKACTICAL BOTANY 



species, found growing on moist soil or stones, in wet places 

 (pp. 363, &c.). 



Kidney Bean (see Phaseolus). 



Laburnum (Cytisus Laburnum] : old stem, 100. 



Laminaria digitata, a large brown Seaweed, found attached to 

 rocks near or below low-tide mark : the parts required are to be 

 hardened in alcohol before use (p. 406). 



Lavatera arborea : an uncommon native plant, cultivated fre- 

 quently in gardens ; hairs, 146. 



Lemanea, a genus of fresh-water Floridese, found growing 

 attached to stones, in swiftly-flowing mountain streams (pp. 

 388, 386). 



Lilium, sp. : ovary, 206 ; leaf, 176. 



*Linum usitatissimum : seed (Linseed), to be bought in shops, 

 94 ; apex of root, 159. 



Lunularia vulgaris, a very common Liverwort, resembling 

 Marchantia, but distinguished by the semilunar cups in which 

 the gemmse are produced (p. 361). 



*Lupinus luteus: seedlings may be raised from seeds to be 

 obtained from seedsmen ; 228. 



*LycJinis dioica, the common Kose Campion : flower, 189. 



Lycoperdon (Puff-ball), a common genus of Gasteromycetous 

 Fungi, which grow for the most part on grass-land (p. 461). 



*Lycopodium clavatum, the native " Stag's-horn Moss " : to be 

 found on moorland hills : to be used fresh or in spirit, 275, &c. 



Maize (see Zea). 



*Marchantia polymorpha, a common Liverwort, to be found 

 growing in moist places, on flower-pots in green-houses, &c. : the 

 whole plant is required, together with male and female branches : 

 the material is to be hardened in alcohol, or may be used 

 fresh (p. 360, &c.). 



Marsilea, sp. : commonly grown in botanic gardens ; 324. 



Mesocarpus, a genus of filamentous fresh- water Algae (p. 446). 



Metzgeria, a native Liverwort ; apex of thatlus, 367. 



Micrasterias, a genus of Desmids, commonly to be found in 

 peat bogs (p. 448) : should be observed while living. 



*Mirabilis Jalapa : ripe fruits, may be obtained from seeds- 

 men : 217. 



