- COMPOSITAE. 903 
Herbs or small shrubs. Heads solitary or corymbose. Pappus- 
hairs various, often barbellate. Receptacle naked . 14, HELICHRYSUM. 
Shrubs with narrow leaves. Heads corymbose. Receptacle 
narrow; florets few, usually subtended by chaffy scales .. 15. CASsINIA. 
Herbs. Flower-heads numerous, aggregated into a globose 
compound head surrounded by scarious bracts. Female 
florets wanting. Receptacle with scales between the florets 16. CRASPEDIA. 
TripE 4. HELIANTHEAE. 
Heads heterogamous, usually radiate, rarely discoid; or with the ray deficient 
and then homogamous. Receptacle with scales among the florets. Anther-cells not 
tailed. Style-branches truncate or furnished with an appendix. Pappus of stiff 
awns or short scales, never of capillary bristles. 
Involucral bracts in two series: outer narrow, glandular, 
spreading ; inner broader, erect, and enclosing the ray-florets. 
Pappus wanting . 17, SIEGESBECKIA. 
Involucral bracts in two ‘series, about equal. Pappus of 2-4 
stiff awns -. Je A és <6 .. 18. BIDENS. 
Trine 5, ANTHEMIDEAE. 
Heads heterogamous, radiate or discoid; or with the ray deficient and then 
homogamous. Involucral bracts dry or scarious at the tips. Receptacle naked or 
paleaceous. Anther-cells without tails. Style-branches truncate. Pappus wanting, 
or a crown of short scales. 3 
Herbs, usually flaccid or succulent. Heads discoid, peduncu- 
late; female corolla short and broad. Achenes flattened, 
often winged .. fe Z . .. 19. Coruna. 
Diffuse or prostrate herb. Heads discoid, sessile, axillary. 
Achenes hardly flattened, 3-4-ribbed or -angled .. .. 20. CENTIPEDA. 
Minute alpine herbs. Leaves entire, fleshy. Heads discoid. 
Female corolla tubular. Achene flattened or 4-angled .. 21. ABROTANELLA, 
Tring 6. SENECIONEAE. 
Heads heterogamous, radiate or discoid; or with the ray deficient and then 
homogamous. Involucral bracts usually in a single row, with a few small ones at the 
base. Receptacle usually naked. Anther-cells sometimes sagittate at the base, but 
with no true tails. Style-branches truncate or appendiculate. Pappus of capillary 
bristles. 
Herbs. Heads discoid. Female florets very slender, fiilform, 
in 2-3 series .. : ‘s st .. 22. ERECHTHITES. 
Shrubs. Female Aowets, ligulate ; ‘lamina short, furnished at 
the base with 1 or 2 minute lobes. Achenes terete, papillose 23. BRAcCHYGLOTTIS, 
Herbs, shrubs, or trees. Female florets ligulate, never filiform 24. Smnxcio. 
Small shrub, glutinous on the leaves and involucres. Invo- 
lucral scales and pappus rigid .. oa bs .. 25. TRAVERSTIA, 
~ 
SuBpoRDER LIGULIFLORAE. 
Florets all ligulate and hermaphrodite, and hence homogamous. Sap 
milky. Consists of one tribe, CICHORIEAE. 
Herb with radical leaves. Scapes simple, leafless. Pappus of. 
tapering subulate scales, toothed or plumose above 26. MICROSERIS. 
Branched leafy herb. Achene ribbed and ey rugose. 
Pappus soft, plumose .. 27. Picris, 
Herb with radical leaves (the New Z ealand species). Reheat 
terete, ribbed. Pappus of simple capillary bristles .. 28. CREPIs. 
Herbs with radical leaves. Scapes simple, leafless. Achenes 
long-beaked. Pappus of simple capillary bristles .. 29. TARAXACUM. 
Tall leafy succulent herbs. Achene flat, not beaked. Pappus 
of simple capillary bristles - ws ‘ 30. SONCHUS. 
