44 



DOUBLE FLOWERS. 



we confine ourselves to the two-fold manner of impletion, after 

 the author, whose divisions we have adopted, we shall be obliged 

 to call their impletion also, an impletion by the disk; though the 

 manner of it differs from that last explained, and the expression 

 does not so well answer to flowers, that in the botanical sense of 

 the term have properly no disk at all. But not to stop at too 

 great niceties, their impletion is by the lengthening of their stig- 

 mata, and the enlarging and diverging of their germina ; by 

 which augmentations, the full flowers are to be distinguished 

 from the natural ones, as in Scorzonera and Lapsana vulgaris; 

 which last, Linnceus tells us, is frequently found with a full flower 

 at Upsal. 



3. Flowers are said to be proliferous, when one flower grows 

 out of another: this generally happens in full flowers, the full- 

 ness being the cause of their becoming proliferous. Prolification 

 is after two manners ; 1. From the centre ; 2. From the side. 



Prolification from the centre, which happens in simple flowers, 

 is when the pistillum shoots up into another flower, standing on 

 a single peduncle; of which there are instances in Dianthus, Ra- 

 nunculus/ Anemone, Geum, and Rosa. 



Prolification from the side, which happens in aggregate flow- 

 ers, properly so called (see Chap. XIX.), is when many pedun- 

 culate flowers are produced out of one common calyx ; of which 

 there are instances in Bellis, Calendula, Hieracium, and Sca- 

 biosa. 



In umbellate flowers, the prolification is by the increase of the 

 umbellulse, one simple umbellula producing another, as in Cor- 

 nus and Periclymenum ; and in this manner compound umbels 

 will become supradecompound, more than compounded a second time y 

 as in Selinum and Thysselinum. 



A proliferous flower is called frondose*, leafy, when it pro- 



* Frons, with the ancients (though frequently used, in respect to trees, in the 

 same sense with folium, a leaf) implied, in its proper signification, a part of the 

 wood of the tree with the leaf; or as we should express it, a twig with leaves ; and 

 for this reason they never applied the term to the leaves of herhs (which were always 



