47 . COMPOSITACEiE. 
429 
in many rows. Ach. fusiform striate submuricate upwards, 
the inner or all attenuately beaked, the outer and some- 
times inner erostrate. Pappus persistent either in 2 rows, 
the outer short setiform denticulate, inner longer plumose 
— or in a single row plumose. Chaffs of recept. linear- 
acuminate. — L. chiefly radical. St. scape-like numerous 
ascending sparingly branched few-fld. naked. FI. termi- 
nal long-stalked sometimes solitary. 
Tribe XXVIII. CHONDRILLEJE. 
Inv. oblong or campanulate -oblong double or calyculate, 
scales in 2 or many rows, the outer one or more short form- 
ing a distinct fringe or calycle at the base of the long erect 
single inner row. Ach. ribbed beaked scaly-muricate or coro- 
nulate upwards or at base of the slender filiform beak or pappus- 
stalk. Pappus pilose capillary soft and w. Recept. naked. — 
Herbs with or without st. L. mostly radical. FI. y. cymose 
or solitary on scape-like ped. Fits, few or many. 
t52. Taraxacum. Inv. campanulate-oblong many-fld., outer 
shorter scales in many rows mostly lax or spreading. 
Florets numerous in many rows. Acli. linear-oblong sub- 
compressed ribbed or striate imbricato-muriculate or mu- 
ricato-turriculate upwards. Recept. convex. — Stemless 
herbs, 1. all radical with a thick fleshy midrib. Ped. 1-fid. 
scape-like radical tubular. FI. y. 
Tribe XXIX. LACTUCEAl. 
Inv. narrow-oblong or urceolate sometimes calyculate, mostly 
regularly imbricate with scales in many rows. Ach. obcom- 
pressed flattened with or without beak simple at top (not coro- 
nulate or muricate). Pappus stalked or sessile pilose very soft 
and w. linear-capillary caducous. Recept. naked. — Branched 
erect very milky herbs. FI. mostly small cymose, y., or., b. 
or purple. 
53. Lactuca. Inv. narrowly cylindric, in fr. a little thick- 
ened at the base, calyculate or regularly imbricate, mostly 
few-fld. Ach. oblong or lanceolate beaked ; beak or pappus- 
stalk slender filiform. — Smooth mostly virgate-stemmed 
herbs with terminal oblong panicles of numerous small y., 
lilac or b. fl. 
54. Sonchus. Inv. urceolate prominently swollen at the 
base many-fld., scales regularly imbricate. Ach. elliptic- 
oblong truncate at top not beaked. Pappus sessile silvery- 
w. — Herbs or shr. mostly smooth often glaucous. Fl. v. 
moderately large. 
y 2 
