. Helichrysum.] LXII. COMPOSITA. 
613 
N I. Lawrencella.—Annuals.  Involucre hemispherical or campanulate, the 
E dei zm sessile and Zenter the inner ones with -€— = radiating lamine. 
with ei 
lee. leg dud pieces 
nvo E cre eminii $ to l inch diameter without the 
Ge broadly campanulate, not Ab in. diameter without 
the sah 68 3. H. filifolium. 
. Branches compact. Pe duncles very ‘short. Involucre ovoid- 
| deum with yellow or white rays VE ouo beens ch, HL semfertile. 
: pi ens l. Involucre broad, hemispherical, the outer ëng See sre passi SCH 
- er less pe var the intermediate or inner ones linear claw. 
 Japillose or Ree ly ruo villou 
: Flower-heads singly terminating the branches on long pedune cles. 
Pappus- sage simple at t the base, barbellate or almost plu- 
mose towards the end. 
Involueral "bris elegantly ciliate, the intermediate (white or 
pun dee an ae e as long as the florets, the innermost 
: . 5. H. Bacteri. 
hohe ag not ciliate, the intermediate (yellow) not twice 
ong as the flori 
Sem. ER erect her single headed. Involucre $ to 1 in. em 
. 6. H. scorpioides: 
: M Sams Szen often peene Involucres aot exceed E 
n. diam 7. H. rutidolepis. 
bid (rege = ciliate, the intermediate (white or r pink) 
n twice as long as the flor 
eg glabrous or m 
ems erect, branch 8. H. obtusifolium. 
Bas branching mg 2 ‘base only, the branches erect or 
cending, single-headed 9. H. dealbatum. 
Denes shortly hirsute. Tufted plant with short erect 
e single-headod stems 10. H. pumilum. 
i Flower-heads sin gly terminating the brauche on ong peduncles. 
E Pa ppus-bristles simple or equally denticulat 
ee Radiating i involueral bracts rigid, mostly bibis. (yellow, brown, 
: red, or pnt. 
k tufted with short single-headed stems . . . . . 11. A. Milligani. 
tem tall, val branched . . 12. H. bracteatum. 
Radiating iav ucral bracts petal-like, mostly acute ‘(white or 
ink 
No floral leaves 
Pon lanceolate or oblong, cottony underneath or on Se elon 
oth sid 
Upper "ga linear, glutinous, without cottony €— . 14. H. etit. 
snl narrow linear floral leaves close nnder de invol vem 
. Leaves Mer or linear-lanceolate, dila e and stem-clasp- 
ing at the b base, glutinous, without co ttony wool . 15. H. adenophorum, 
` leaves linear to oblon ong-spathulate, s his EE ; cottony- idi 
RR white underneath . 16. H. leucopsidium. 
I-heads corymbose. Outer involucral bracts. very woolly, 
=.. 5 s diis e 
. H. subulifolium. 
N II. Merochleena.— Perennials, sometimes almost woody at the base, ele, 
| tadiating co lamine EE conspicuous in H. mile. iret iaei, 
