( 163 ) 
LEO'NTODON* *. 
Linnean Class and Order. Syngenesia|, Poly'gamia 
jEqualisiJ:. 
JVatural Order. Compo'siTjE§, Linncms and Adanson. — 
Tribe, Cichora'ce/K, Lindl. Syn. pp. 140, 142, & 156.; Introd. 
to Nat. Syst. of Bot. pp. 197 & 201. — Loud. Hort. Brit. pp. 520 
& 521 . — Cichorace/E, Juss. Gen. PI. p. 168. — Sm. Gram, of 
Bot. p. 120. — Synanthe're.e, Rich, by Macgilliv. p. 454. — 
Syringales ; subord. Asteros.e; sect. Asterinae; subsect. 
Asterianas; type, Cichoraceai: ; Burn. Outl. of Bot. pp. 900, 
901, 920, 924, & 935. 
Gen. Char. Involucrum (common calyx) (figs. 1 & 5.) oblong, 
double ; innermost of several strap-shaped, equal, parallel scales ; 
outer of fewer and shorter, lax and reflexed ones, at the base. 
Corolla compound, imbricated ; florets (fig. 2.) very numerous, 
equal, perfect, strap-shaped, blunt, with 5 teeth. Filaments (see 
fig. 3.) 5, hair-like, short. Anthers (see figs. 2 & 3.) united into a 
cylindrical tube. Germen (see fig. 3.) inversely egg-shaped, fur- 
rowed. Style (see fig. 3.) cylindrical, prominent. Stigmas (see 
fig. 3.) 2, revolute. Seed-vessel none. Involucrum converging, 
finally altogether reflexed (see fig. 5). Seed (see fig. 4.) inversely 
egg-shaped, furrowed, rough. Pappus (downj (fig. 4.) hair-like, 
radiating, on a long cylindrical stalk. Receptacle (see fig. 5.) 
naked, convex, pitted. 
Distinguished from other genera, with strap-shaped florets, in 
the same class and order, by the naked receptacle ; stalked, simple 
pappus ; and the imbricated, double involucrum with the outer- 
most scales lax and reflexed. 
Two species British. 
LEO'NTODON TARA'XACUM. Common Dandelion ||. 
Spec. Char. Outer scales of the involucrum (calyx) reflexed. 
Leaves runcinate, smooth, toothed. 
Engl. Bot. t. 510. — Curt. FI. Lonil. t. 58. — Linn. Sp. 1 J 1. p. 1122. — Huds. FI. 
Angl. (2nd ed.) p. 339. — Sm. FI. Brit. v. ii. p. 822. Engl. FI. v. iii. p. 349.— 
With (7th ed.) v. iii. p. 887.— Lindl. Syn. p. 158. — Hook. Brit. FI. p. 340. — 
Lightf. FI. Scot. v. i. p. 432. — Woodv. Med. Bot. v. i. p. 7. t. 3. — Steph. and 
Church. Med. Bot. v. i. t. 5. — Abbot’s FI. Bedf. p. 169.— Purt. Midi. FI. v. ii. 
p. 365. — Relh. FI. Cant. (3rd ed.) p. 319. — Thorn. Fam. Herb. p. 676. — Hook. 
FI. Scot. p. 227.— G rev. FI. Edin. p. 166. — FI. Devon, pp. 130 Sc 155. — Johns. 
FI. of Berw. v. i. p. 174. — Walk. FI. of Oxf. p. 223. — Bab. FI. Bath. p. 28. — 
Mack. Catal. of PI. of Irel. p. 69. — Taraxacum officinale, Gray’s Nat. Arr. 
v. ii. p. 426. — Sibth. FI. Oxon. p. 239. — Dens leonis, ltay’s Syn. p. 170. — 
Johnson’s Gerarde, p. 290. 
Localities. — I n meadows and pastures, and in waste and cultivated ground, 
every where. 
Fig. 1. Involucrum. — Fig. 2. A Floret. — Fig.3. Germen, Style, and Stamens. 
— Fig. 4. A Seed, with its stalked pappus. — Fig. 5. Receptacle, and reflexed 
Involucrum. 
* From leon, Gr. a lion ; and odous, Gr. a tooth, from the tooth-like margins 
of the leaves. Hookeii. 
t See folio 91. { See folio 147. $ See folio 27, a. 
11 From Dent de lion, Fr. From the supposed resemblance of the leaf to the 
tooth of the lion. Walker. 
