126 LEAFLETS OF PHILIPPINE BOTANY [Vor. I, Arr. ? 
15. MICROGLOSSA. 
Erect herbs; heads various; pappus long. 
Outer flowers all tubular. 
16. CONYZA. 
Outer flowers ligulate (ligules of our species 
few and minute). 
17. ERIGERON. 
9, SOLIDAGO LINN. 
Perennial herbs with alternate, toothed or entire leaves. 
Heterogamous heads in terminal and axillary paniculate 
cymes or capitate clusters. Ray flowers ligulate, yellow or 
rarely white; disk flowers tubular, 5-segmented; involuere 
oblong, its bracts imbricate and unequal in length, alveolate; 
anthers obtuse at the base; style arms flattened, their ap- 
pendages lanceolate; achenes terete, usually ribbed; pappus 
bristles numerous, 
Species about 80; all North American, except one which 
extends throughout the north temperate zone. 
1. Solidago virgaurea Linn. Sp. Pl. 880, 1753. DC. 
Prod. 5; 338, 1836. Benth. Fl. Hongk. 179, 1861. Hook. 
Fl. Brit. Ind. 3; 245, 1881. Forbes and Hemsl. in Journ. 
Linn. Soc. Bot, 23; 406, 1888. Hayata in Journ. Coll. Sci. Tokyo, 
18; Art. 8, 10,1904. Merr. in Philip. Journ. Sci. 1, Suppl. 3; 245, 
1906.—Stems erect, strict, little branched, varying in height 
up to 9 dm. Lower leaves petioled, ovate or oblong, slightly 
toothed; upper ones narrower, smaller and nearly entire, 
Heads solitary or 2 to 4 together on short axilliary peduncles. 
forming an elongated leafy panicle; bracts narrow and acute; 
ray flowers about 8; achenes puberulous, ultimately glabrous. 
Not common but rather widely distributed in the pine 
region of middle northern Luzon at 1700 meters elevation. 
Quite variable. 
DISTRIBUTION: 
North America, Europe, temperate Asia, China and Japan, 
Luzon: 
Baguio, Province of Benguet, Loher 3668. 
