PRIMULACE.E 



183 



Cotyledons short, ovate, obtuse, entire, thinly glandular- 

 pubescent, tipped with a minute tooth, without discernible venation 

 when fresh ; lamina 2-3 mm. long, 1-75-2-25 mm. wide ; petiole 

 flattened or slightly grooved 

 above, thinly glandular- 

 pubescent, 1-1*25 mm. long. 



Stem herbaceous, de- 

 veloped when about to 

 flower ; primary internodes 

 undeveloped. 



Leaves simple, radical, 

 alternate, palmately three- 

 to five-nerved, and lobed or 

 toothed, glandular-pubes- 

 cent (with the hairs tipped 

 by a red gland), dull opaque 

 green above, suffused and 

 mottled with red beneath ; 

 petioles semiterete, chan- 

 nelled above, densely gland- 

 ular - pubescent with red 

 glands, very pale green, 

 mottled and striated with 

 red, dilated and clasping at 

 the base. 



No. 1 (and in small 

 seedlings sometimes No. 2). 

 Cordate-triangular, obtuse, 



entire or with a minute glandular tooth on each side, tipped with 

 an obtuse glandular tooth, obscurely trinerved. 



No. 2. Similar or larger and reniform, five-nerved and five- 

 toothed. 



No. 3. Rotund-reniform, five-nerved, obtusely five-toothed. 



No. 4. Rotund-cordate, five- to seven-nerved, and toothed or sub- 

 lobulate. 



Androsace nana, Hornem. 



Hypocotyl erect, terete, glabrous, 8-12 mm. long, pale green or 

 colourless. 



Cotyledons slightly obovate or spathulate, 6-7 mm. long includ- 

 ing the short petiole, glabrous, dark green ; venation very indistinct. 



Stem as in last species. 



First leaves radical, arranged in a rosette, entire, linear-lanceo- 



FIG. 500. Androsace rotundifolia, x 3. 



