46 ENGLISH BOTANY. 



SPECIES v.— CHRYSANTHEMUM INODORUM. Linn. 



Plates DCCXVII. DCCXV II. 



Reich. Ic. Fl. Germ, et Helv. Vol. XVI. Tab. CMLXXXV. Figs. 1, 2, 3. 



Billot, Fl. Gall, et Germ. Exsicc. No. 28fi4. 



Triplourospermum inodorum, C. H. Schidtz, iiber die Tanacet. p. 32. 



Matricaria inodora, Linn. Bab. Man. Brit. Bot. ed. v. p. 179. Uook. & Arn. Brit. 



I. p. 57. 

 Chaiusemelum inodorum, De Vis. Eeich. Jil, 1. c, p. 47. 



Plowering - stem more or less corymbosely branched, nearly 

 simple. Leaves bipinnate, the secondary leaflets cut into seta- 

 ceous or cylindrical segments or entire ; middle and upper leaves 

 sessUe ; all glabrous. Antliodes solitary at the extremity of the 

 stem and branches, radiant. Clinanth hemispherical or shortly- 

 conical in fruit. Pericline flattish, with the phyllaries strap- 

 shaped, flat, with brown or fuscous scarious margins. Florets of 

 the ray ligulate, much longer than the phyllaries, white. Achenes 

 sub-triquetrous, with 3 corky ribs on the inner face, transversely 

 rugose between the ribs, with 2 fovece on the external space imme- 

 diately below the raised border. 



Var. a, gemiinum. 



Plate DCCXVII. 



Pyrethrum inodorum, Sm. Eng. Bot. No. 760. 



Matricaria inodora, Linn. D. C. Prod. Vol. VI. p. 53. Fries, Sum. Veg. Scand. p. 1. 



Gr. & Godr. Fl. de Fr. Vol. II. p. 149. 

 Matricaria inodora, var. a, Bah. Man. Brit. Bot. ed. v. p. 179. Ilooh &, Am. Brit. Fl. 



p. 257. 

 Tripleuro.spermum inodorum, Koch, Syn. Fl: Germ, et Helv. ed. ii. p. 1026. 



Annual or biennial. Rootstock and barren shoots none. Stem 

 erect, corymbosely branched towards the apex. Segments of the 

 leaves setaceous or cylindrical - setaceous. Anthodcs numerous 

 in a lax corymb. Clinanth of the fruit hemispherical, with the , 

 breadth greater than the height. Scarious margins of the pliyl- 1 

 laries denticulate. Achenes oblong, triquetrous, with 2 marginal 

 corky ribs and 1 on the inner face, leaving conspicuous places 

 between them, and in addition sometimes 2 slender corky ribs on 

 the outer face. 



Var. S, mar/fimum. Pers. 



Plate DCCXVIII. 



Pyrothrum inodorum, Sm. Eng. Bot. No. 979. 



Triplcuio-ipc'imum uiaiitimuii!, Koch, Syn. Fl. Germ, et llclv. ed. iL p. 1226. 



