(88 ) 
Tribe II. InNvLeaz. 
Anthers with tails, sagittate. Style bran- 
ches without appendages. 
13. Pluchea Cass. MarsH-reeaBane. 
Superfiua. Necessaria. Head o-flowered. 
@ flowers o-seriate, tubular. Scales of the 
involucre «-seriate, ovate, imbricate. Recep- 
tacle flat, naked. Pappus 1-seriate. 
1. P. campuorata DC. Flowers rose-color. 
—@®. Salt marshes. Autumn. 
14, Adenocaulon Hook. 
Necessaria. Head few-flowered, all the flow- 
ers tubular, Anthers sagittate, not tailed. 
Scales of the involucre 5, 1-seriate, herbaceous, 
at last reflexed. Receptacle flat, naked. 
Akenes exserted, obovate, glandular near the 
summit; pappus 0.— 2. Flowers pale. 
1. A. Bicotor Hook.—Redwoods. Summer. 
15. Micropus L. 
Necessaria. Superfiua. Head of few flow- 
ers, all tubular. ¢ 5, 2 5, embraced by the 
scales of the two-seviate involucre. Recepta- 
cle narrow, naked. Akenes falling off with the 
embracing scales of the involucre. Pappus 0. 
—@©. Flowers inconspicuous. 
‘1. M. Caurrornicus Fisch. & Meyer. Low 
woolly herb. Common. Spring. 
