432 Account and Description of Spring Crocuses, fyc. 



Each flower with two bracts, the internal 6ne much 

 narrower ; scape short ; filaments smooth ; 

 inner petals shorter than the outer. .... pusillus ... 9 



t ft Coats of the Roots neither coarsely reticulated 

 nor divided horizontally. 



% Each flower with one bract. 



Each flower with one bract ; filaments pubescent ; 



roots large. lacteus .... 6 



% Each flower with two bracts. 



Each flower with two bracts, the external one 

 somewhat ventricose, the internal one nar- 

 rower ; scape long ; filaments very short, 

 pubescent ; petals upright, of equal length. . . . sulphureus . . 2 



Each flower with two bracts, the external one 

 somewhat ventricose, the internal one nar- 

 rower ; scape long ; filaments of moderate 

 length, slightly pubescent ; petals expanding, 

 the inner ones shorter ; roots small stellaris . . . 3 



Each flower with two bracts, the external of a 

 moderate size, not ventricose, the internal 

 narrow; scape long; filaments pubescent; 

 roots large lagenaeflorus 4 



Each flower with two bracts, the external one 

 large and ventricose, the internal one narrow ; 

 scape long ; filaments pubescent ; roots large, luteus 5 



