MARGINS OF LEAVES. 125 



leaves of Ceiitaurea Cyamis, t. 9.77 ; also Nym- 

 phcea Lotas, Curt. Mag. t. 797. 



Serratum^f. 80, serrated, when the teeth are sharp, 

 and resemble those of a saw, pointing towards 

 the extremity of the leaf. Examples of this are 

 frequent, as Urtica, t, 148 and 1236, Rosa, 

 t. 992, &c., Comarum pahistre, t, 172, and &- 

 7i€cio paluclosus, t. 650 ; also Dillenia mdica, 

 E.vot. Bot. t, 2. Some leaves are doubly serrated, 

 diipUcatO'Serrata, having a series of smaller ser- 

 ratures intermixed with the larger, as Mespilus 

 grandiflora, t. 1 8, and Campanula Trachelium, 

 Engl. Bot. t. 12. 



Serrulatum, f. 6^, minutely serrated, is used when 

 the teeth are very fine, as in Polygonum amphl- 

 blum, t. 436, and Empleurum scrrulatum, Exot. 

 Bot. t. 63. 



Crenatum, f. 81, notched, or crenate, when the 

 teeth are rounded, and not directed towards either 

 end of the leaf, as in Ground-Ivy, Glechoma 

 hederacea, t. 853, Chrysospleniuni, t. 54 and 

 490, and Sibthorpla europcea, t. 649- In Saxi- 

 jrciga Geum, t. 1561, the leaves are sharply cre- 

 nate. In the two British species of Salvia, t. 153 

 and 154, the radical leaves are doubly crenate, 

 /82. 



Erosuni, f. 83, jagged, irregularly cut or notched, 

 especially when otherwise divided besides, as in 

 Senecio squalidus, t. 600. 



