198 GLANDULOSI. 



Group IV. GLANDtJLOsi. 



Caules arcuato-prostrati vel prostrati, radicantes, 

 hirti. Aculei copiosi, valde insequales, sparsi, in acicu- 

 los setasque copiosos graduatini ade antes. 



All the plants included in this section hare nearly or 

 quite prostrate stems. They may iisually be easily known 

 from those belonging to other sections by thteir abundant 

 and unequal aciculi and setae, which graduate into each 

 other and into unequal prickles ; also by the want of bloom 

 upon the stem. They may be divided in a tolerably natural 

 manner into the following subordinate groups. 



a. Koehlerianii Folia quinata vel , raro ternata. 

 Aculei. aciculi setseque ad basin ihcrassati. 



b. Bellardiaiii. Folia ternata vel quinato-pedata ; 

 foliola infima intermediis dissita, petiolata. Aculei in 

 caulis angulis ssepe congesti. Caules valde hirsuti, 

 aciculati et setosi; 



