116 FORMS OF LEAVES. 



pressed base, as in Nartheciumossifragum, t. 535, 

 and the genus Iris ; also Witsenia corymbosa, 

 Exot. Bot. t, 68, and Dilatris corymbosa, t. 16. 

 Decurrentia, f. 36, decurrent, running down the 

 stem or branch in a leafy border or wing, as 

 Onopordum Acanthium, EngL Bot. t. 977, Car- 

 duus tenuiflorus, t. 412, and many other Thistles, 

 also the Great Mullein, Verbascum Thapsus, 

 t. 549, and Comfrey, Symphytum officinak, 

 t. 817. 



Florifera,f. 37, flower-bearing, when flowers grow 

 out of the disk or margin of any leaf, as in 

 Ruscus acukatus, t. 560, Xylophylla latifolia, 

 and X. falcata, Andr. Repos. t. 331. This is 

 equivalent to a frond in the class Crypiogamia ; 

 see p. 103. * 



v 3. With regard to Form, Leaves are either simplicict^ 

 simple, like those of Grasses, Orchises, Lilies, and 

 many other plants, Ballota mgra y EngL Bot. t. 46, 

 and Berberis vulgar is > t. 49 ; or composita, com- 

 pound, as in most Umbelliferous plants, Parsley, 

 Hemlock, &c. ; also Roses, Engl. Bot. t. 990 

 992. 



In compound leaves the footstalk is either simple, 

 as in the instances last quoted, and Shim angus- 

 tifblium, t. 139; or compound, like those of 

 Sdinum palustrej t. 229, and Thallctrum mqju,?, 

 t.6\\ . In simple leaves the footstalk, if present, 



