Section VI 

 MISCELLANEOUS 



SPIKED WATER MILFOIL 



Myriophyllu7n spicatum. Water Milfoil Family 



Submerged leaves : in whorls of fours and fives, dissected into capillary 

 divisions. Floral leaves : ovate, entire or serrate, usually shorter than the 

 flowers, or sometimes none. Flowers : white, in spikes ; petals four ; 

 stamens eight. Fruit: splitting at maturity into four bony, one-seeded, 

 indehiscent carpels, which are rounded on the back, with a deep wide 

 groove between them, smooth, or very rarely slightly rugose. 



This is an aquatic herb, with submerged, spreading, 

 thready leaves set in whorls of four or five round the thick 

 stems. Sometimes it has floral leaves that are very small 

 and usually shorter than the blossoms. The name Myriophyl- 

 licm is from the Greek and means /' myriad -leaved." The 

 flowers are minute and white-petalled and grow in tiny in- 

 terrupted spikes. 



MARE'S TAIL 



Hippuris vulgaris. Water Milfoil Family 



Stems : slender, glabrous. Leaves : linear or lanceolate, acute, sessile, 

 in crowded verticels of six to twelve, more or less sphacelate at the apex. 

 Flowers : small, axillary ; calyx-limb minute, entire ; petals none ; stamen 

 one, with a short thick filament and comparatively large two-celled 

 anther dehiscent by lateral slits. Fruit: a small, one-celled, one-seeded 

 drupe. 



This is also an aquatic herb, with slender erect stems, 

 bearing circles of from six to twelve narrow leaves in the 



