142 ENGLISH BOTANY. 



GENUS XXXVL—T ARAXAOUM. Juss. 



Antliodes many-flowered. PericKne oblong, of numerous pliyl- 

 laries in 2 series ; those of the inner series equal, in 1 row, those of 

 the outer in several rows, much shorter and frequently spreading 

 or recurved. Clinanth naked. Achenes cylindrical-oblong, very 

 slightly compressed, muricated towards the apex, terminated by 

 a slender beak, which is surrounded by short spines at the base. 

 Pappus of white filiform simple hairs. 



Herbs, with the leaves all radical. Scapes almost always 

 1-flowered, fistulous. Anthodes large, yellow ; the outer florets 

 often olive or red on the back. Phyllaries reflexed after the fall 

 of the achenes. 



The name of this genus of plants comes from rapaffau) (tarasso), I change, from its 

 supposed effects on the blood. 



SPECIES I.— TARAXACUM OFFICINALE. Wiggers. 



Plates DCCCII. DCCCIII. DCCCIV. 



Leontodon Taraxacum, Linn. Bab. Man. Brit. Bot. ed. v. p. 196. Hook. & Am. 

 Brit. Fl. ed. viii. p. 216. 



Scapes produced with the leaves, 1-flowered. Beak as long as 

 or longer than the achene. 



Var. a, gemiinum. Koch. 

 Plate DCCCII. 



Reich. Ic. Fl. Germ, et Helv. Vol. XIX. Tab. MCCCCIV. 

 T. Dens-leonis, Desf. B. C. Prod. Yol. VII. p. 145. 

 T. officinale, Gr. & Godr. Fl. de Fr. Vol. II. p. 316. 

 Leontodon Taraxacum, Linn. Sm. Eng. Bot. No. 510. 



Leaves bright - green, runcinate-pinnatifid, with the segments 

 broadly-triangular. Inner phyllaries simple at the apex ; outer 

 ones strapshaped, recurved. Achenes olive or dull-yellow, slightly 

 muricated at the apex. 



Var. 0, erythrospermum. 

 Plate DCCCIII. 

 Billot, Fl. Gall, et Germ. Exsicc. No. 1907. 



Reich. Ic. Fl. Germ, et Helv. Vol. XIX. Tab. MCCCCV. Fig. 1. 

 T. erythrospermum, Andrez. D. C. Prod. Vol. VII. p. 147. Gr. & Godr. Fl. de Fr. 



Vol. II. p. 316. 

 T. officinale, var. glaucescens, Koch, Syn. Fl. Germ, et Helv. ed. ii. p. 492. Reich. JU. 

 1. c. p. 25. 



