366 COMPOSITE. Soliva. 



S. NASTURTIIFOLIA, DC. 1. c. Much depressed, spreading, small: leaves glabrate, pinnately 

 parted into 5 to 9 oblong divisions of about a line in length ; these entire or the lower few- 

 toothed : heads globular : akenes small, very numerous, villous at apex, cuneate, the margins 

 much thickened and tuberculate-rugose : style short and slender. Torr. & Gray, 1. c. 

 Gymnostijles nasturtii folia, Juss. Ann. Mus. iv. 2(52, t. 61, f. 2. G. stolonifera, Nutt. Gen. ii. 

 185; Ell. Sk. ii. 473. A humble weed, near dwellings, coast of N. Carolina to Georgia. 

 (Nat. from Buenos Ayres.) 



1 76. C6TUL A, L. (KoruA^, a small cup or disk.) Low herbs of the 

 southern hemisphere, one or two naturalized in the northern, strong-scented ; 

 leaves alternate, lobed or dissected ; flowers yellow c ours more or less perennial 

 by creeping base, or annual. Benth. & Hook. Gen. ii. 428. 



C. CORONOPIFOLIA, L. Somewhat succulent, nearly glabrous : ascending stems often a foot 

 high : leaves lingulate-linear, laciuiate-piunatifid, or uppermost entire, the base clasping or 

 sheathing : head much depressed, a third to half inch broad : female flowers a single row, on 

 flattened pedicels which lengthen in fruit, their akenes bordered with a thick spongy wing 

 and notched at both ends : disk-akenes with wing reduced to a thickened border. Lam. 111. 

 t. 700; Dill. Elth. t. 23; DC. Prodr. vi. 28. Wet ground, thoroughly established on the 

 coast of California, and on some water-courses iu the interior : a rare ballast-weed on the 

 Atlantic coast. (Xat. from S. Afr.) 



C. AUSTRALIS, HOOK. f. Slender, diffusely branched, somewhat pubescent: leaves 2-piunately 

 dissected into linear lobes : heads small : female flowers in 2 or 3 rows, their akenes dis- 

 tinctly pedicelled; those of the disk less so. Fl. N. Zeal. i. 128; Gray, Bot. Calif, i. 405. 

 Stromjylosperma australe, Less.; DC. 1. c. 82. Waste ground, coast of California. Kellogg, 

 Cleveland. Oregon, E. Hall. (Sparingly uat. from Australia.) 



177. TANACETUM, Tourn. TANSY. (Name of the old herbalists, of 

 quite uncertain derivation.) Chiefly perennials, of the northern hemisphere, 

 strong-scented, alternate-leaved, yellow-flowered. Disk-flowers 5-toothed. Torr. 

 & Gray, Fl. ii. 414. 



1. Robust erect perennials, leafy to the summit: leaves 2-3-pinnately dis- 

 sected into very numerous divisions and lobes ; also with interposed small ones 

 on the main rhachis : pappus coroniform-dentate : receptacle flat, quite naked. 

 Eutanaceturn & Omalotes, DC. Prodr. vi. 128. 83. 



T. VULGARE, L. (COMMON TANSY.) Acrid-aromatic, glabrous or somewhat pubescent, 2 or 

 3 feet high : divisions and lobes of the leaves decurrent-confluent, the teeth cuspidate-acumi- 

 nate : heads numerous and crowded in the corymbiform cymes, 3 to 5 lines broad, depressed- 

 hemispherical : ray-corollas terete, inconspicuous, with oblique 3-toothed limb. Escaped 

 from gardens to roadsides, &c., in Atlantic States and Canada. (Xat. from Eu.) 



T. Huronense, NUTT. Comparatively sweet-aromatic, villous when young, sometimes gla- 

 brate, commonly a foot high: leaves with fewer interposed segments on the rhachis; lobes 

 and teeth narrowly oblong to linear, mucronate or acuminate: heads much fewer (1 to 5) 

 and larger ; the disk convex, half-inch broad : corollas of female flowers with a flattish tube 

 and a 3-5-lobed limb, which not rarely expands into a cuneate rather obvious ligule (thus 

 making a transition to Chrysanthemum and showing relationship to C. bipinnatum). Geu. 

 ii. 141 ; Torr. & Gray, Fl. ii. 414. T. Douglasii, DC. Prodr. vi. 128. T. paudflorum, 

 Richards. App. Frankl. Journ. ed. 2, 30: Hook. Fl. i. 327, not DC. T. borealc, Nutt. Trans. 

 Am. Phil. Soc. n. ser. vii. 401, not Fischer in DC., which is rather a form of T. vulgat'e. 

 Banks of streams, &c., N. Maine (Goodale), New Brunswick, and Lake Superior to Hudson's 

 Bay, west to Washington Terr, and Oregon on the coast. 



T. camphoratum, LESS. Pleasantly camphoric-aromatic, villous-tomentose, at least when 

 young, glandular, robust, 1 or 2 feet high : pinna; and segments of the leaves much crowded ; 

 the latter oval or short-oblong, entire or crenately few-lobed, rounded-obtuse, at most callose- 

 apiculate, usually with revolute margins : heads several in a corymbiform cluster, short- 





