SUNFLOWER FAMILY 269 
6. Chaetopappa alsinoides (Greene) Kéck. Tiny Chaetopappa. Fig. 5445. 
Pentachaeta exilis var. discoidea A. Gray, Bot. Calif. a Foes 1876, in part. 
Pentachaeta alsinoides Greene, Bull. WES sate 1882. 
Chaetopappa alsinoides Keck, ‘Aliso 4: pK i 8. 
sie ies branched, 3-12 cm. high and wide, somewhat villous. Leaves narrowly linear or fili- 
form, 1 mm. wide or less ; bende t tiny, not strictly solitary; involucre 2.6-3 mm. high, glabrous or 
ual, few (6-7), oblon 1 
se aaa sli light ly thicker, reddish-tinged disk-flowers, these only erfect anthers ; 
achenes brownish, lightly to moderately villous; nine seni | cf 3 ahr ea bristles Pesan bb 
exceeding bias orets, AS at all dilated at base 
oothill slopes, Upper Sonoran Zone; gant near : ie coast, Napa and M Counties t 
Santa rey ow and Tular . Courties. golfer nia. Very inconspicuous peppers mT agp a ore ps gi i he 
locality: Berkeley, Alameda County. April-— 
g 
75. HAPLOPAPPUS* Cass. Dict. Sci. Nat. 56: 168. 1828. 
or shrubs, very varied in habit, often glandular. Leaves alternate, entire to bi- 
stsuattee often thickish, sometimes glandular- -punctate. Heads radiate or disc oid, large 
cymose i it 
gr TOW ur 
alveolate. Ray- 7 sa Distillate, rarely sterile; disk-florets fertile, their style-branches 
ovate to subulate. Achenes terete or angled, linear-fusiform to turbin ate, glabrous to silky- 
pilose. Pappus of numerous ca Oi an , subequal or graduate bristles, usually persistent. 
[Name Greek, meaning simple eae pus. 
genus of neh ade? 150 ppcies, all Be chiefly of the western United States, Mexico, and Chile. Type 
species, Haplopapp 
Achenes turbinate, 2-3 mm. long; leaves dentate to bipinnatifid, the teeth spinulose-tipped or bristle-tipped. 
(Section Diepuarodo mn.) 
Annual; herbage, including involucre, hirsute with strigose hairs, the phyllaries pores minutely glandular- 
berulent. . H. gracilts. 
Perennials; involucres not strigose. 
Tufted ae seve sa slender ff: Ss very narrow; heads radiate. 
Phyllaries ccaaiieailt ene Phen Te and scabrous; sbaee 25 em. Jon 
"2. H. gooddingis. 
Phyllaries beset with granular glands; leaves 1—2 cm. Jon . H. junceus. 
Rigidly branched shrub; leaves mostly oval, — dentate; ree disc . H. brickelliotdes. 
Achenes nearly prismatic, subcylindric, or fusiform, 3 mm more long; sae various aa if toothed these not 
as above 
Perennial herbs with shoots of the season arising from prominent basal rosettes of leaves surmounting a deep 
fusiform taproot. (Section Pyrrocoma.) 
Heads tea ml ~ involucre mostly 1.5—3 cm. high, the phyllaries mostly 3-8 mm. wide, the rays incon- 
eng see 4 cm. wide; involucre 14-20 mm. high; widesp 5: carthamoides. 
Basal piel 5- ib cg wide; involucre about 25 mm. high; sist very robust; upper en =< = Snake 
any 
—. iain, ic raat mostly 5-15 mm. high, the phyllaries less than 3 mm. wide, the rays gee Oe 
i 
nflor CoCenice, 
eads ald or cymose, or if Z 
Plants stipitate-glandular as well as hirsute or villous. . A. hirtus. 
Plants not cove ndul 
He lly solitary, terminating long peduncles. 
, thin, acres graduate; achenes “sah peer 
. H. unifiorus. 
Phyllari only toward tip, firm, evidently graduate; achenes ee us. 
¢ 7 9. H. apargioides 
Heads corymbose or c 1 pai rarely solitary; phyllaries = toward base, green- 
tipped; ge seric . H. lanceolatus. 
Heads usually numerous, spica 
Plants poor strongly if at ae Sader phyllaries coriaceous and tet ee Secon ee to 
Fignes vernicose from sessile glands; phyllaries coriaceous-herbaceous, obscurely igraduate acu- 
4S. 
Shrubs or penetra. 
Pp fted, usually mat- forming, with much-branched caudex; heads mostly solitary at ends 
of oseal eit several in H. whitneyt). 
Stems relatively leafy; on glandular-puberulent; plants o: f high mountains. (Section Tonestus.) 
hyllaries lanceolate; echoues glabrous or sparsely pilose. - 
13. H. lyallis. 
Leaves toothed. 
Achenes ses ig leaves sharply serrate; involucre campanulate-oblong ; gad atea linear- 
lanceolate; stems to 50 cm. high. 14. H. whitneyi. 
Achenes eet pubescent; leaves saliently dentate in outer half; involucre hemispheric; 
stems to 15 cm. high. 
* Text contributed by David Daniels Keck. 
