316 Notes on Indian Botany. 



the apex, ovarium glabrous, somewhat 4-sided : pappus long 

 violaceous, bristles rough, concreted into a ring at the base. 

 A herbaceous unarmed plant, radicle leaves pinnatifid : capitula 

 short peduncled, aggregated into an irregular head : involucrum 

 ovate many series, squamae acuminate : receptacle flat, covered 

 with fimbrillae forming alveolae: corolla purple, an inch 

 long. 



80. Amberboa (Isn. D. C. 6-558). Capitula several flower- 

 ed heterogamous marginal ones larger sterile : achaenia com- 

 pressed or turbinate, tetragonal, with a lateral or basilar 

 areola : pappus paleaceous, paleae obovate spatulate. Herba- 

 ceous plants : involucrum many series, scales various, rarely 

 spinescent; flowers blue or reddish purple. 



81. Microlonchus, (D. C. 6-562). Capitula many flower- 

 ed, flowers of the ray neuter, more or less enlarged : filaments 

 pappillose : anthers ecaudate : achaenia compressed with a 

 lateral areola : pappus double, interior unilateral, broad at the 

 base, acuminate at the apex, about the length of the exterior 

 pappus. Perennial glabrous herbs : floriferous branches naked 

 1-cephalous : involucrum ovate, scales adpressed coriaceous, 

 with a short reflexed deciduous apex, or produced into a long 

 spine-like appendage ; flowers, purple or white or yellowish. 



82. Tricholepis, (D. C. 6-563). Capitula homogamous : 

 corolla subregular 5-fid : achaenia with a lateral areola, crown- 

 ed at the apex with a circular margin : pappus setaceous 

 concrete at the base, or paleaceous not concrete, or wanting. 

 Herbaceous plants : capitula ebracteolate : involucrum many 

 series, scales linear setaceous, recurved at the points : recep- 

 tacle fimbriliferous. 



83. Carthamus, (Tourn. D. C. 6-611). Capitula homo- 

 gamous : corolla 5- cleft, tube enlarged above the disk : 



