45 



Species. 



118. S. asparagus Ramose, erect, many stems. 



111). — dichotoma With erect, round, subulated di- 



chotomous branches. 



120. — echidnea With erect, rigid branches, all 



over muricated. 



121. — muricata Thinly branched ; substance Hke 



cork ; branches cylindrical, 

 and beset with obtuse shaggy 

 tufts. 



122. — vulpina With ramose lobes, rather latticed, 



with compressed papillae. 



123. — spicalifera Branches erect; with sub-cylin- 



drical tubercles, muricated with 

 spiculae. 



124. — carlinoides Thickly branched; angulated 



branches, with subspinous and 

 membranaceous expansions. 



125. — amaranthina. ...With compressed, divided and lo- 



bated branches, dilated upwards, 

 and longitudinally striated. 



126. — 5^n^27/«to. ...... Flabelliform, flat branches, with 



echinated papillae. 



127. — nervosa Branched fan-like; nervous sub- 



reticulated branches. 



128. — rubispina Branched fan-like; with divided 



branches, rather coalescent; 

 echinated with pointed tu- 

 bercles. 



129. — abietina With stipitated, flat, incrusted 



branches, with acute papillae 

 terminating in threads. 



130. — elongata Sub-ramose, with a few rather 



cylindrical branches ; with very 

 long naked and sub-reticulated 

 fibres. 



