SUNFLOWER FAMILY 475 
nies mostly entire; pappus of relatively few ee these in a single row and m i 
dilated upward or Geenctienes merely barbellate. Pistillate flowers with corollas tubular- 
filiform; style bifid; pappus rather copious, the bristles capillary, mostly united at the base 
_ nae as a ring. [Name Latin, from the resemblance of the staminate pappus to the 
ae of some insects. 
ee complex polymorphic gen of about 35 or 100 species, depending upon the onomic interpretation rod 
the numerous apomictic forms; ¢ cibenaahie at the north 9 mainly developed, pct Pe a the cordillera, in Nor 
America and extending to southera South. America. Type species, Gnaphalium dioicum L, 
Heads several to m 
Basal i gnc as Saas pubescent on their upper as on their lower surface, and if at all glabrate then so only 
xtreme age (except rarely in A. media). 
Pian not stolo “ge aay seldom (except in A. argentea) mat-forming; basal leaves erectish or erect, not 
forming a rose 
Tnvolucres pubescent from the base upward to about the middle, glabrous only dista 
Ba es 2-15 cm. long, narrowed into a petiole or petioliform base; siete campanulate, 
io sna pul ubescent. 
ces 20-55 cm. high; basal leaves 6-15 cm. long; phyllaries distally white. 
1. A. anaphaloides. 
Stems ated ales berg high; basal leaves mostly 2-6 cm. long; phyllaies, distally brown or 
Basal leaves 1— 3 cm. song, sessile; involucres invested in a closely interwoven 
all but the very tips be the i or oyster’ anedacaa 5!” 
g 
eyert. 
ged ab glabrous from the very tot 
hylla shi _— or straw-colo roa shiniue; bristles of staminate pappus dilated upward and 
subentire or pilin te tips. 
pieut i cninieeniche kg forming loose mats; heads in a corymbiform cyme. 
2. A. argentea, 
Plant Te or short-rhizomatous, rarely mat- gt 
Heads * usually close corymbiform ves pare oi S-wave the basal and 
r 3-10 cm. long, the cauline mieily little petiaced ie ard. 
. A, lusuloides. 
Heads = rhe loose or close panicle; leaves 1-nerved or the midvein ehecus re, the basal and 
er 2—-4.5 cm. long, the Paget mostly well and abruptly Zeduced up upward. 
cephala 
Phyllaries mainly dark or blackish brown; bristles of staminate pappus barbellate saa seaeeety 
isis ted upward. 6. A. stenophylia. 
Plants stoloniferous and mat-forming; basal leaves mostly spreading or depressed, forming a rosette. 
istal scarious Bis BEE: of phyllaries blackish green or brownis 
Tips of phy rine eras blackish green, acute; tips of upper cauline leaves with flattened 
arious appenda; 8. A. media 
Tips of phyllaries mostly owas obtuse; tips of upper cauline leaves with vcbiitakd cébeckridke 
natio 9. A. umbrinella. 
Distal scarious eae; ai ahead white of cere 
hyllaries greenish or ost merely t the b 
Heads 5—7(—9) mm. high, the phyllaries mostly rosea . A. rosea. 
eads 6-9 (in the ra reer 9-13) mm. high, the aeiatie mostly ade 
12. A. parvifolia. 
hyllaries with conspicuous dark or blackish spot at the base 11. A. corymbosa. 
Basal leaves lh a less pubescent on their upper than on their lower saat ace, or promptly glabrate above. 
Cespitose, mostly low pec yr eee cm. high; basal and stolon leaves ig rag long; uppermost 
cauline leaves glabrate and _ A. marginata. 
a mostly tall perennials up to 40 cm. c hig h or i gher; basal and stolon mE 2. 5-10 em. Jon 
s in a usually close corymbiform cyme; peduncles of heads persistently gag a a not "glandular. 
Heads mostly in open racemes or pentnen: peduncles of heads and rachis of mes ‘gbode 
a densely pipitane-giandula ular 15. A. racemosa. 
Heads solitary, terminal, or at most 
Plants yeti oe: perennial, Bidinety cespitose and mat-for 
Basal leaves obtuse or emarginate, quickly glabrous oa pati above, persistently mentoer beneath. 
16. A. suffrutescens. 
- Basal leaves acute, uniform 17. A. dimorpha. 
Plants seemingly biennial, eo ipaenting by eater elongate, eben real which terminate in a small leafy 
tuft. 
18. A. flagellaris. 
1. Antennaria anaphaloides Rydb. Tall Everlasting. Fig. 5833. 
Antennaria — Rydb. Mem. N.Y. Bot. Gard. 1: 409. 1900. 
Perennial from a short-branched caudex or lignescent rhizomatous base, thinly grayish- 
tomentose (the tomentum somewhat Ranenee with age), with erect tufts of basal leaves and simple, 
ect, leafy stems 20-55 cm. high. Basal Jeaves fanceolate of oblanceolate to elliptic-oblong, 6-15 
it 20 i 
petio 
sau leaves becomi arrower and strongly reduced upward, leaving the upper part of stem 
nearly naked, the cites darkened callous tips of the upper ones bearing a filiform to linear or 
Laseeniate, acute or obtuse, scarious appendage mm. long, ee brown throughout or white 
Mt brown to se rounded 
eads several many, es : : 
icle toader than long; involucres campanulate, 5-7 mm. high, the phyllaries with 
ie ie to fark brown submedial spot and conspicuous, ivory-white, obovate or oval, obtuse or 
