86 Tiliacea Tilia. 



Besides the foregoing there is a set of fine large-leaved 

 varieties or forms in cultivation, including T. Mandshurica 

 from Eastern Asia, probably a distinct species, with coarsely 

 toothed deeply cordate leaves clothed with a grey pubescence 

 beneath. T. hybrida superba referred to the North American 

 T. pubescens, and T. vitifolia to T. Europcea. 



ORDER XXV. LINEJE. 



This order taken in its widest sense includes a great many 

 trees and shrubs, but the following characters apply to the 

 typical genus, which alone concerns us. 



1. LlNUM. 



Herbs, sometimes shrubby, gla,brous, more rarely hirsute. 

 Leaves alternate, rarely opposite, narrow, entire ; stipules 



Fig. 56. Linum grandiflorum. (J nat. 



absent or glandular. Flowers in terminal or lateral racemose 

 panicles or fascicled cymes, blue, white, yellow, or crimson. 

 Sepals 5, entire. Petals 5, contorted, fugacious. Stamens 5, 

 united at the base, alternating with 5 staminodes. Disk of 5 



