CYMOSE TYPE 195 



is at right angles to the one from which it arose. 

 This happens only in plants with opposite leaves 

 <ng. 47). 



(ii) The monochasial, when there is only one branch 

 (pedicel) in each cyme, the whole then generally 

 looks as if the branching were alternate, and the 

 youngest flowers may be at the top as in a raceme, 

 but if there are bracteoles these will be opposite to, 

 not subtending, the pedicels. 



(iii) The scorpioid, when the branching of the mono- 

 chasial cyme is all in one plane, to right and left, and 

 the whole is curled down in a plane at right angles, 

 and gradually uncurls as the flowers open. This very 

 distinctive inflorescence occurs in HELIOTROPIUM 

 (fig. 36), the Heliotrope, in MYOSOTIS the Forget-me- 

 not, in CYNOGLOSSUM the Hound's tongue, and in a 

 number of other closely related plants belonging to 

 the family BORAGINE.E (p. 150). 



(iv) The verticillaster when the flowers are massed 

 in dense short-branched cymes on each side of the 

 main shoot, forming together a thick ring, or false- 

 whorl towards the ends of the branches. We find 

 this in LEUCAS, MENTHA, LAMIUM the Dead-nettle, 

 OCIMUM and in a number of other plants of the 

 family LABIATJE, of which it is the distinctive form 

 of inflorescence. The cymose nature can best be 

 made out in those cases where the bunches are loose 

 as OCIMUM (Tulasee), SALVIA, SCUTELARIA the Skull- 

 cap, the Lavender and COLE us. 



A cymose inflorescence may also take the form of 

 an umbel, if the pedicels and peduncles are very 

 short or absent altogether.- This occurs in CRINUM, 



