254 COMPOSITAE 
eager Barer pricy 4 chartaceous and white at base, 
tip green and pyre) lax; Pied: few, short and 
oc . Sericocarpus 
gies if indurated not conspicuous and white at base; 
ink or yer ed several to many, if 
pal or vestigial not on plants from a woody caudex 
r stout ome 
eS ae of sth Sadhana pad as to subulate, 
phyllaries aay od an even scarious 
Appendages of style-bra oe siphon or oblong, obtu 
tte desert perennial with bristle- aan 
sabiisteie & 
8 
Annuals, biennials, or t-lived pace im with a taproot; 
leaves pan Bs Fay entire or usually spinulose-den- 
tate to pinnatifid or dissected. 
. Machaeranther 
Style- es of disk- -flowers baru tufted with rigid vase hairs; 
; pappus reddis 
pi orethrogyn 
Phyllaries only slightly or not at all graduated, in 1 or 2 Magda? Bed 
branches of disk- foxes with lanceolate and acu or 
ith triangular and obtuse, appendages. 
91. Eri 
Ray-flowers absent, but the marginal disk-corollas sometimes enla st Ph resemble rays. 
Mar, wpa corollas enlarged, becoming palmately 5- gel 2 appt usually eceul & to 
. Lessingia. 
ia pinat coeds not enlarged, regular; pappus not biGirietah or reddish. 
pisteiate te ery numerous, several-seriate, tubular-filiform, rayless or the anes ray 
Sgt the pappus. . Con 
Heads unisexual, Pvt dioecious; pappus of male flowers of clavellate bristles. : 
94. Baccharis. 
68. GRINDELIA* Willd. Ges. Naturf. Fr. Berl. Mag. 1: 260. 1807. 
Annual, biennial, or usually perennial herbs, mostly with a taproot, rarely suffrutescent 
t e€ re ss resinous particularly on the involucre. Leaves alternate, punctate, 
sually serrate and sessile, often clasping. Heads medium to large, yellow, usually radiate, 
usually solitary at branch-tips. Involucre multiseriate, imbricate, the phyllaries thickish, 
c 
A 
gular, few-ang wled, glabrous? pappus of 2-8 stiff, “bftea urved, deciduous, co 
paleaceous awns. med for Professor David Hivenntices Grindel, esc iaae af sear 
of Dorpat and Rig: 
genus of Boag % species, of western North and South America. Type species, Grindelia inuloides Willd. 
Tips of p 
spreading, some gradually ply reflexed. 
Fruticose; salt tonne e eas Francisco Bay. 1. G. humilis. 
Herbaceous, m woody at caudex. 
Branches qrotree or —— a bovat t ecotey 1. . G, stricta. 
eaves no t interior 3. G. integrtfolia. 
Involucre pubesc cent a Ranges, central California. 4. G. hirsutula. 
Involucre glabrous; cenkeed Califor 
Stem fs 8 dm. hi gh, erect, strict branching above; interior apr 
. G. procera. 
Stems 3-8 dm. high, ascending, openly branched; San Francisco. ae 
6. G. maritima. 
Tips of phyllaries 1 f iddl d outer ones) sharply reflexed or Jooped. 
Coa — raccural 1 plants 
1 dad +. 
T i +. - a | +1 
p ‘ate. 
north of San Francisco Bay. i hi 
2. G. stricta and subspecies. 
Leaves acutely or obtusely pointed at tip; mostly south of San Francisco Bay. 
7. G. latifolia, 
'y below; nearly erect. 2. G. stricta blaket. 
hideas an nonsucculent plants; stems more or less erect. 
es ate; rare introduction. 8. G. squarrosa. 
Leaves sharply toothed or entire, not callous-serrulate. 
neice mostly 1 cm. in diameter; ligules 5-8 mm. long; San Diego ax: poe gaye 
it. 
Involucres 12-25 mm. in diameter; ligules (when present) mostly 8-15 m mn, 
ips of phyllaries spreading ~ a (usually some a. refed) sce Cin looped ; 
Lape or bemere s * ‘Cae 
poe aed 
Meade relatively small, the involucre 7-10 1 mm. high, 9-15 _ aging northern California 
Heads noc pet involucre 8-15 mm. high, 12-25 mm. thick; southern Calif Latenn. 
'* Text contributed by David Daniels Keck. 
