302 LXXVII. composirz. (J. D. Hooker.) [ Lagascea. 
TRIBE V. HELIANTHOIDEZ. 
Ann, LA GA SCEA, Ca. 
Rigid villous scabrid or subglabrous herbs. Leaves opposite or the upper 
alternate. Heads in leafy balls, which are solitary rei i and peduncled or 
in corymbose panicles, 1-fld. ; fl. t5, fertile, tubular, white red or yellow, tube 
short, limb elongate cylindric or dilated 5-fid. — Znvolucre tubular, of 5 connate 
bracts; receptacle minute. Anther-bases sagittate, auricles obtuse. Style-arms 
elongate, acute, hairy. Achenes cuneate, compressed or 3-angled, tip rounded ; 
pappus a toothed or fimbriate cup or ring, with sometimes bristles at the angles 
of the achene.—Drstris. Species 7, tropical American. 
L. mollis, Cav.; DC. Prodr. v. 91; annual, stem and branches scabrid, 
leaves petioled ovate acuminate subcrenate silkily tomentose beneath, clusters of 
heads solitary terminating in slender naked peduncles, flowers white, pappus very 
obscure. Clarke Comp. Ind. 131. Noccæa mollis, Jacg. Fragment. t. 13. 
A weed in cultivated places, in various parts of India.—Disrris. Indigenous in 
Central America; introduced in various warm countries. 
Much branched, slender, young bracts villous with white hairs. Leaves D in. 
Heads in clusters (resembling simple heads) $-1 in. diam., involuerate by elliptic 
leaves, very silky. 
49. ADENOCA ULON, Hook. 
Erect annual or perennial herbs. Leaves alternate, lower long-petioled, 
white beneath. Heads small in glandular panicles, heterogamous, disciform ; 
flowers all tubular; outer 4-7, 9, fertile, rarely with imperfect achenes, limb 
4-5-fid; disk fl. 4-5, D, sterile. Involucre campanulate; bracts 5, subequal, 
herbaceous ; receptacle flat. -Anther-bases entire or minutely 2-toothed, Style- 
arms of Q short, broad; of D connate. Achenes obovoid, obscurely ribbed, 
covered with stalked glands; pappus 0.—Disrris. Species 5, Japan, Himalaya, 
N. America, and Chili. 
A. bicolor, Hook. Bot. Misc. i. 19, t. 15; DC. Prodr. vii. 207; stem 
simple below, panicle and leaves beneath grey with appressed cottony tomentum, 
leaves orbicular subreniform or subhastate angled and toothed, petiole long 
winged or not. A. himalaicum, Edgew. in Trans. Linn. Soc, xx. 64; Clarke 
Comp. Ind. 182, A. adhmrescens, Maxim. Prim. Fl. Amur, 152, 
TEMPERATE Hrmaraya, from Simla, alt. 6-9000 ft., to Sikkim, alt. 7-12,000 ft.— 
Distr. Manchuria, Japan, N. W. America. 
Root of thick fibres, perennial. Leaves 3—4 in. diam., membranous, nerves slender 
reticulated; petiole with sometimes a toothed wing. Panicle with very slender 
spreading branches and viscid peduncles; heads j in. Achenes much longer than the 
involucre, clothed densely, like the peduncle, with large stalked glands.—I find no 
material difference between the Himalayan, N. Asiatic, and N, American specimens. 
50. CHRYSOGONUM, Linn, 
Herbs or under-shrubs. Leaves opposite, entire toothed or pinnate. Heads 
solitary or corymbose, heterogamous, radiate, yellow; ray fl. 9 , 1-seriate, fertile, 
ligule entire or 2-3-toothed ; disk fl. D, sterile, tubular, limb elongate 5-fid. 
Involucre ovoid or campanulate ; bracts few, rigid ; receptacle flat, with concave 
pe at the Y fl. -Anther-bases entire or subsagittate. Style of ij undivided, 
airy. Achenes of ray dorsally compressed, inner face often keeled or 2-3-ribbed, 
