54 



ORGANOGEAPHT AND GLOSSOLOGY. 



to so many external pits, in Bugloss (figs. 265, 266) ;-closed by five swellings, 

 answering to pits, in Myosotis (figS. 263, 264) and Lycopsis (fig. 262) ;— closed by 



266. Bugloss. 



Flower cut vertically. 



(mag.). 



267." Borage. 

 Flower. 



268. Comfrey. 



Flower showing the 



pits between the 



Eepals. 



269. Comfrey. 

 Corolla laid open, show- 

 ing the five scales be- 

 tween the five stamens. 



five scales, conpiving, and forming a conical roof over the tube,, and answering 

 to five external pits, in Comfrey (figs. 268, 269) ;— furnished with five emarginate 

 scales, in Borage (fig. 267) ; and bearing a crown of long, narrow, cut scales, in 

 Oleander. 



The monopetalous limb is bi- multi-partite, when the petals 

 cohere at their bases only {Pimpernel, fig. 277; Borage, fig. 267); ;■' ->,^|u/ y* 



270. Campanula. 

 Flower. 



271. Cerinthe. 

 Flower, 



272. Chrysanthemum. 

 Flower with tubular corolla. 



274. Periwinkle. 

 Flower. 



278. Biudweud. 

 Flower. 



li. multi-fid, when they cohere about half-way up, and the sinuses, as well 



as the segments, are acute {Tobacco, Campanula, fig. 270) ; — bi- multi-lobate. 



q 



[ 



I,. 



\ 



when the segments are obtuse or rounded {Myosotis, figs. 268, 

 "64; Heliotrope, figs. 259, 260; Bugloss, fig. 265; Comfrey, fig. 

 38) ; — toothed, when the segments are very short {Heath, fig. 

 76). 



The regular monopetalous corolla is tubular (c. tubulosa), when 



the tube is long and the limb erect and continuous with it {Cerinthe, 



\?\ ^ fig. 271). The central flowers, called florets {flosculi], 



\Hf Trf /^W^ °^ Chrysanthemum (fig. 272) and allied plants with in- 



I JH volucrate heads, have small tubular corollas. Such heads 



^pr are called flosculose. They are infundibuUform (c. infundi- 

 276. Heath. buUformis), when the tube insensibly widens upwards 

 Flower, ij^^g ^ funnel {Bindweed, fig. 273) ; — hypocrateriform (c. hy- 

 pocrateri-formis or -morpha), when the straight and long tube abruptly terminates 

 in a flat spreading limb, like an antique patera {Lilac, Jessamine, PeriwinJcle, flg. 



275. Campanula. 

 Flower. 



