28 ENGLISH BOTANY. 



lens. Plant dull-green ; antliodes and the under side of the leaves 

 grey, the latter at length glabrous above. 



Alpine Saw-ivort. 



French, Saussuiee des Alpes. 



Tribe III.— CRUPINE^. 



Elorets all tubular, j)erfect, or the marginal ones neuter or 

 female, each one not surrounded by an involucel : occasionally the 

 antliodes are sub- dioecious by abortion. Anthers without basal 

 appendages. Pappus persistent, of hairs free at the base. Fruit 

 attached to the clinanth by its base. 



GENUS FT/.— S ERR A TULA. Linn. 



Pericline of imbricated entire phyllaries, the exterior ones 

 mucronate, the interior scarious at the apex. Elorets all equal, 

 perfect or unisexual and sub-poly gamo-dioecious by abortion. Eila- 

 ments free, papillose ; anthers without basal appendages. Achenes 

 oblong-ovoid, laterally compressed, glabrous, with an elevated line 

 on each face, the base oblique, but the attachment is not lateral ; 

 epigynous disk with a very faint entire border. Pappus persistent, 

 consisting of denticulated hairs, arranged in several rows, the 

 innermost ones longest, free to the base. Clinanth hairy. 



Herbs without, or nearly without, spines, glabrous or scabrous. 

 Pericline ovoid or sub-cylindrical. Elowers purple, varying to 

 white. 



The name of this genus comes from serra, a saw, on account of tlie jagged edges 

 of the leaves of the species. 



SPECIES I.— SERRATU LA TINCTORIA. Linn. 



Plates DCCIV. DCCI\^. {bis). 



Reich. Ic. Fl. Germ, et Helv. Vol. XV. Tab. DCCCII. 

 Billot, Fl. Gall, et Germ. Exsicc. No. 2494. 



Leaves pinnatipartite, frequently sub-lyrate ; segments bristly- 

 serrulate, the radical and lower ones petiolate, rarely entire ; 

 the uppermost sessile. Anthodes stalked, rarely subsessile, sub- 

 polygamo - dioecious, corymbose. Pericline of the sub - perfect 

 flowers oblong-cylindrical, of the female cylindrical-ovoid ; outer 

 phyllaries ovate-acute, inner ones elongate-strapshaped, all ad- 



