78 Key to the System of 



387. Leaves usually stalked, always jointed to the branch- 



lets and at last completely deciduous. 



Half-shrubs or shrubs ; leaves sessile or much oftener 

 stalked ; lobes of corolla overlapping before expansion ; 

 fruit dry. Epacris. 1635 



Leaves clasping with unjointed decurrent and per- 

 sistent base 388 



388. Lobes of the corolla expanding, conspicuous. 



Half -shrubs or shrubs ; leaves tardily seceding by irregular 

 supra-basal rupture ; lobes of corolla contiguous before 

 expansion ; fruit dry. Sprengelia. 1645 



Lobes of the corolla unexpanding, inconspicuous. 



Shrubs or small palm-like trees ; leaves tardily seceding by 

 irregular supra-basal rupture ; corolla conical, the lobes 

 comparatively minute, almost permanently coherent ; 

 fruit dry. Bichea. 1646 



ERICACEAE. 



Fruit enclosed in the enlarging and finally succulent 

 calyx, bursting longitudinally. 



Shrubs, often beset with rigid hairlets ; leaves generally 

 scattered ; calyx five-lobed ; corolla-lobes overlapping 

 before expansion ; stamens ten ; anthers ending upwards 

 in two narrow and bifid appendages. Gaulthiera. 1647 



Fruit high-connate with the calyx, succulent, inde- 

 hiscent. 



Evergreen, decumbent, somewhat shrubby plant, almost 

 glabrous ; leaves carnulent ; calyx five-lobed ; corolla- 

 lobes contiguous before expansion ; stamens five ; anthers 

 devoid of any appendages. Figure 109. Wittsteiuia. 1648 



CONVOX.VUJLACEAE. 



390. Leaves undeveloped. 



Twining, parasitical; flowers comparatively small; style 

 divided ; fruit small, bursting transversely or irregularly. 



Cuscuta. 1649 



Leaves developed ... . - 391 



