Victorian Plants. 119 



585. Fruit-cover somewhat or very much elongated. 



Ferns, varying from dwarf to tall, seldom developing 

 trunks and then imitating tree-ferns ; fruit masses rarely 

 almost marginal ; fruit-cover linear, seldom narrow- 

 elliptical ; spore-caselets longitudinally almost surrounded 

 by an often somewhat imperfect ringlet. Figure 149. 



Asplenium. 2172 



Fruit-cover abbreviated. 



Ferns, usually of conspicuous size, seldom very small ; 

 fruit-cover from orbicular to renate, opening circularly or 

 almost unilaterally ; spore-caselets longitudinally almost 

 surrounded by an often somewhat imperfect ringlet. 

 Figure 150. Aspidium. 2180 



586. Fruit-cover deeply bilobed. 



Delicate and often small ferns; receptacle generally enclosed; 

 spore-caselets longitudinally almost surrounded by an 

 often somewhat imperfect ringlet. Figure 134. 



Hymenophyllum. 2185 



Fruit-cover entire or slightly lobed. 



Ferns, often delicate and dwarf ; fruit-cover cup-shaped or 

 tubular ; fruit-masses on a generally exserted hair-like 

 receptacle; spore-caselets longitudinally almost sur*- 

 rounded by an often somewhat imperfect ringlet. 

 Figure 133. Trichomanes. 2187 



SPECIES OF PLANTS. 



RANUNCULACEAE. 



RANUNCULUS. 



587. Petals white 588 



Petals yellow 590 



588. Submerged leaves divided into numerous hair-like 



segments. 



Water-plant, quite glabrous except the fruit ; style very 

 short. H. aqua'tilis. 



Leaves divided into linear or broadish segments or 

 lobes 589 



