1658 



SENECIO 



SEQUOIA 



5. elegans, Linn. (S. purpureus, Hort. JacobTea ile- 

 </aws, Moench). Purple Ragwort. Annual, viscid-pu- 

 bescent, erect or diffuse, 1-2 ft. : Ivs. various, mostly 

 oblong in outline, pinnate, lobed or toothed, the sinuses 

 mostly broad and rounded, clasping at the base: heads 

 in loose corymbs, the rays purple, disk-fls. yellow. S. 

 Afr. B.M. 238. — Var. erectus, Harvey. Stem slender 



2314. Senecio mikaiuoides, usually called German Ivy. 



but erect, the Ivs. pinnate or 2-pinnatifid. Senecio ele- 

 gans is an old garden plant. A common form of it has 

 double fls. Var. ^Ibus, Hort., has white fls. 



6. pulcher, Hook. & Arn. Robust, 2-4 ft., white-cob- 

 webby, the stem simple or nearly so and scarcely leafy: 

 Ivs. long (4-10 in.), oblong-lanceolate, thick, shallow- 

 lobed and crenate-toothed: heads 2-3 in. across, with 

 many long, red-purple rays and a yellow disk. Uruguay 

 and Argentina. B.M. 5959. R.H. 1877, p. 94; 1896, p. 329. 

 Gn. 49, p. 122. G.M. 40:745. — A very bold species, with 

 striking erect habit and large fls. in summer. Perennial, 

 although it has been described as annual. In protected 

 places and well-drained soils, it is hardy in southern 

 New England. 



7. mikanioides, Otto(5. scrt«^e»(s,DC.). German Ivy. 

 Fig. 2314. Slender and glabrous, tall-twining: Ivs. ovate 

 or deltoid-ovate in outline, mostly with a deep basal 

 sinus, sharply 5-7-angled or angle-lobed: head small, 

 discoid, yellow, in close clusters on axillary and termi- 

 nal branches. S. Afr. — Very common conservatory and 

 window-garden plant, easily propagated by cuttings. 



8. macrogl6ssus, DC. Lvs. mostly hastate, often with 

 acuminate basal lobes, but various in shape: heads only 

 1-3 together, and bearing yellow rays. S. Afr. 



9. Ciner&,ria, DC. {Cinerdria »nori/im«, Linn. Sene- 

 cio acanthifdlius, Hort.). Fig. 2315. Perennial, 2 ft. 

 or less tall, branching from the base, very white-woolly 

 throughout: lvs. pinnatifid, with oblong and obtuse seg- 

 ments: heads small, yellow, in small, compact corymbs, 

 rayless. Europe. F.M. 1872:52. — Var. candidissimus, 

 Hort., has very white foliage. Var. aureo-marginatus, 

 Hort., has lvs. bordered with orange-yellow. S. Cine- 

 raria is an old-fashioned garden plant, sometimes 

 known as Dusty Miller; the commoner Dusty Miller is 

 Lychnis Coronaria, and another one is Artemisia Stel- 

 leriana (Fig. 2312). 



10. Pdlmeri, Gray. Densely white-tomentose all over, 

 branching, 1-2 ft., perennial: lvs. oblong -lanceolate, 

 slightly toothed, narrowed into a petiole : heads few, 

 with yellow rays, about 1 in. in diam., in a corymb. 

 Guadalupe Isl., Lower Calif.— Intr. by Franceschi, 

 Santa Barbara. 



11. Petasitis, DC. {Ciner&ria Petaslfis, Sims). Fig. 

 2310. Robust perennial, 2-3 ft. tall, gray-floccose on the 

 young parts, branching: lvs. both radical and cauline, 

 6-10 in. across, long-stalked, cordate-ovate-orbicular, 

 strongly several nerved, shallowly many-lobed, dull 

 green above but gray-tomentose beneath : heads in a 

 long open panicle, the cylindrical involucre % in. high. 



the few rays light-yellow. S. Amer. B.M. 1536.— A 

 striking plant for winter decoration, the star-like fls. 

 (or heads) being produced in great abundance ; now 

 becoming disseminated in this country. 



12. Ddria, Linn. Erect, 3-4 ft. : radical lvs. oval-ob- 

 long, dentate, somewhat glaucous, stalked ; stem-lvs. 

 oblong- lanceolate, sessile and somewhat decurrent : 

 heads yellow, with 5 or 6 rays. Eur. Hardy perennial. 



13. liigens, Rich. Perennial : floccose-woolly when 

 young but becoming nearly or quite glabrous, G-24 in. 

 tall, the stem practically naked above: lvs. spatulate to 

 oval or oblong, repand-denticulate: rays 10 or 12, yel- 

 low, conspicuous. Western U. S. in the mountains and 

 to Alaska. — Var. exaltatus, Gray, has been offered: 1-3 

 or 4 ft. tall: lvs. thickish, longer-petioled, abrupt or 

 subcordate at base. 



14. atireus, Linn. Perennial: an exceedingly variable 

 and cosmopolitan group, by some authors split into sev- 

 eral species, some glabrous, 1-2 ft. tall: lvs. mostly 

 rounded and undivided, the cauline ones lanceolate and 

 pinnatifid or laciniate: heads many, /^-K in. high, with 

 8-12 conspicuous yellow rays. Moist places, nearly 

 throughout the U. S. 



15. fastigiatus, Nutt. Perennial: mostly pubescent, 

 the stem strict and simple and 1-2 ft. high: lvs. all 

 entire or very nearly so, lanceolate or spatulate-lanceo- 

 late, obtuse: heads %-3^ in. high, with conspicuous 

 yellow rays. Idaho, Oregon, Washington. 



16. Boldnderi, Gray. Perennial : glabrous or soon be- 

 coming so, the stems weak and slender and 6-30 in. tall: 

 lvs. thin, palmately 5-9-lobed or incised, or the stem- 

 lvs. pinnately divided: heads several, ya-}4 "i- liig^ir 

 with 5-8 rather long yellow rays. California, Oregon. 



17. Dotiglasii, DC. Fig. 2317. Woody or even shrubby 

 at base, with many stems, 2-3 ft. tall, with the aspect of 

 an aster: lvs. small and linear, or the lower ones pin- 

 nately parted into filiform divisions : heads numerous, 

 %-% in. high, with 8-18 conspicuous yellow rays. 

 Nebr., W. l. H. B. 



SENNA. See Cassia. 



SENNA, BLADDER. Colutea. 



SENSITIVE BRIER. See Schrankia. 



SENSITIVE FERN. Onoclea sensibilis. 



SENSITIVE PLANT. Mimosa pudica. 



2315. Senecio Cineraria. 

 One of the plants known as Dusty Miller. 



SEQUdiA (after Sequoyah, otherwise George Guess, 

 a Cherokee half-breed of Georgia, about 1770-1843, in- 

 ventor of the Cherokee alphabet). Conifera;. BiQ 

 Trees of California. Redwood. Tall, massive, often 



