DAISY, DANDELION, AND THISTLE FAMILY 



425 



intended " to keep the cold out," but also to protect it from 

 loss of heat by excessive radiation, to the clear cold skies of 

 winter.* 



Genus Gimphalkun. 



Woolly or cottouy herbs. Lea\-es alternate. H eads small , solitary, fascicled 

 or 111 corymbs. Florets all fertile, bracts usually white. Achene small, hairy. 

 Pappus-hairs in 1 series, sometimes united at the base. (Name from the Greeli, 

 referring to the wool with which the plants are covered). 10 sp. 



Fig. 147. Gnaplmliuui triiierve. 



Gnaphalium luteo-album (Tlw Yellounslt-wJiite Gnaphalium). 



Annual or biennial. Leaves narrow, i^in--'-^ 'H- long, woolly, the upper ones 

 without foot-stalks. Heads fascicled, i in. -J in. long, yellowish-brown. Bracts 

 shining. Achene dotted with pits. Both islands ; Stewart Island. PI. Dec- 

 March. A common weed. 



Genus Baoulia. 



Small, tufted, alpine lierljs, often growing in dense masses. Leaves ver\' 

 small, imbricate, often silky or woolly. Heads small, terminal, solitary. 



*r. Trans. XXXII., i>. 150. 



