LECT. VI.] THE STEM. BRANCHING. 269 



ing from the points whence they are given off; 

 as in creeping Cactus, Cactus flagelliformis. 

 (Plate 4, fig. 10.) 



k. Scaly (squamosus) (fig. q), when it is co- 

 vered, more or less, with leafy 

 scales, which are closely applied 

 to its surface, as in Broom Rape, 

 Orobanche major. When, how- 

 ever, the scales, instead of being 

 succulent and leafy, are dry and 

 membranaceous, this variety of 

 the scaly stem is termed 



* Ramentaceous (ramenta- 

 ceus) (fig.r), as exemplified 

 in slender branched Heath, 

 Erica ramentacea, &e. 



/. Pubescent (pube- 

 scens), when it is studded 

 or covered with hair-like ap- 

 pendages. The pubescence 

 varies very considerably, according to differences 

 of soil, climate, and exposure ; but, nevertheless, 

 there are determinate characteristics which al- 

 ways, more or less, distinguish it, even in its va- 

 riations. According to the appearance, the con- 

 sistence and the quantity of pubescence, the 

 stem on which it is found is named ; thus it is 

 termed 



a. Hairy ( pilosus) (Plate 5, fig. 1), when the 

 pubescence consists of rather long separate 



