538 COMPOSITAE 
33. Cirsium campylon H. K. Sharsmith. Hamilton Thistle. Fig. 5934. 
Cirsium campylon H. K. Sharsmith, Madrofio 5: 85. 1939. 
Stout, succulent, perennial herb with a thick woody root-crown; stems erect, thick, hollow, 
0.3-2.1 m. tall, greenish or sometimes purplish-tinged, arachnoid- tom entose and also sparsely 
glandular-puberulent, the to mentum mostly deciduous. Earliest leaves small, thin, oblanceolate, 
undulate-lobed and spinulose- sa st subgla brous; later basal leaves forming a small or large, 
up to7d 2 i 
ose rosette lan n dm 
parted or divided into broad ae peasiente, the lobes ending ina aig bogs: spine and ne a 
i with thin ar id tom 
sisting and sometim to an elongate, more 
or less spiny-bordered petiole; cauline leaves smaller, oblanceolate or more fre requently oblongish 
or lanceolate, the petiole-like base spiny-lobed to the bottom or the cauline leaves bro adly sessile 
with semi-amplexicaul base, the basal lobes more or less decurrent and strongly spiny ; uppermost 
leaves becoming reduced and bract-like but not a sphtending the heads; it ng solitary or 
wiser eee Samed at the ends of ea ayes eads or cluster nodding, the heads 
broader than long, 2.5-3.5 cm. long an aati coe prose or more or less 
ged ith ~ aoe ped buberulent tnct not arachnoid, age outer strongly recurved, narrowly ovate, 
e ply acute o 
tip; flowers sordid-white or somewhat pinkish-tinged, becoming sordid-brownish in a e, the 
corolla about 2 cm. long, the tube 5-6 mm. long, the throat about 10 mm. long, the lobes more or 
less unequal, 4-5 mm. long; achenes oblong-cune ate, 4-5 mm. long, light to eek brown; pappus 
rather sparse, light brownish, i oi 1.be 
Restricted to the Mount Hamilton Range a the South Coast Ranges of California in Stanislaus and Santa 
Clara <oeneie®s Pott re the plant Second along streams and on ‘auinay slopes in areas of SE pions in the U ard 
Sonoran Zone. Type locality: Del Puerto Tres: at an altitude of 1,700 feet, Stanislaus Count April- 
34. Cirsium fontinale <n) Jepson. Fountain Thistle. Fig. 5935. 
nicus fontinalis na a Bull. Calif. Acad. 2 1886. 
naa duus fontinalis Greene, Proc. Acad. Phila, on: 363. 1893. 
Cirsium ee fe emg Fl. W. Mid. Calif. 505. 1901 
Stout, succulent, leafy, perennial herb; stem purplish-tinged, erect, thick, hollow , 0.6-1.2 m. 
tall, Gorachina widely from the base and above, sparsely crisp-puber ulent and somewhat viscidu- 
ee to 7 dm. long and 1.5 dm. wide, 
lou sal leaves forming a large ae. oblanceolate-elliptic, 
eep! y pinnatifid, the ents broad and somewhat quadrate, more or less deltoid-lobed or coarsely 
deltoid-dentate, the lobes shortly but stiffly spine-tipped, the m sighs way spinose-dentate, the upper 
surface dull green and viscidulous-puberulent, the lower surface paler and arachnoid-viscidulous, 
the leaf narrowe a slender, elongate, petiole-like base; Saud lea ostly strongly 
g sessile by a semi op. lexic f ase, the basal lobes auriculate, decurrent, 
and radiately Tiny — oad as long or broade cm. long, subte: the upper- 
most leaves, tary or mo poe closely picbrany the heads or clusters nodding ; phyllaries 
loosely i pSbricate, goa aha tinged, more or less puberulent but not arachnoid, the outer 
cand spreadin a or reflexed, broadly ovate, abruptly mk bags - a short spinose tip, the margin 
le 
t ish and somewhat erose, the midd phyllaries lanceolate andurate, appressed below, the 
ee half eK a spreading, the margin erose and sometimes a Tittle spinescent-too thed, the inner 
narrowly oblong, erect except at the flattened, spinescent, finely ciliate tips; flowers somewhat 
becomi 
spreading in the heads, whitish or more or less pinkish-lavender-tinged, becoming sordid-brownish 
in age, | the one ee = 2 cm. long, oe tube : or ong, the throat and lobes each 5 or 6 mm. long; 
ach e, 4. long, t brown; Pappus buff, 1.5 cm. long, some a the 
Seictles with iehtiy | enlarged, flattened, ‘see tip 
Lanse g streams and about n open grassy places on serpentine, Up oe Sonoran Zone; near Crystal 
Springs Lake, San Mateo County. California, the only known loca ih May— ray tig hybrids between 
t: gunn and C. quercetorum have been named by Petrak (Beih. Bot. Centralbl. 35: roe 
um fontinale var. recta nage foes Sevan: Late West. Bot. 2: 71. 1938. ease ane fille rach- 
Suid Genta rolla about 2 cm . long, the tube 7 mm. long, the throat 8 mm. long, the lobes 5 —_. long; “ochenes 
par i of ote ish- ee wn-tinged. places on serpentine near San Luis Obispo, California. Type locality: Chorro 
Luis Obispo County. 
143. CARDUUS [Vaill.] L. Sp. Pl. 820. 1753. 
_ Annual, biennial, or perennial herbs resembling Cirsium. Stems frequently seg 2 
winged b decurr ent leaf-bases. Heads homogamous, several- to many-flower ered, medium 
u 
numerous in several series, united at the base, deciduo caer. not plumose. [Ancien 
Latin name for several thistle-like plants, particularly fis te el.] 
A genus of about 120 species, widely distributed in Eurasia sou sat to tropical Africa; several species 
introduced as weeds in Australia and the New World. Type phos sg idene nutans L. 
Plants biennial; heads nodding, solitary, broadly campanulate or hemispheric, 1.5-5 cm. long, 1.5-8 cm. wide, 
many-flowered; phyllaries (except the inner) strongly s spreading or reflexed near > a e middle. 
nutans. 
