15. 
16. 
17. 
18. 
19. 
20. 
21 
aed Le 
22. 
23. 
Jd. 
34. 
TABLE OF GENERA, XXXIX 
. TurtnctA. Pappus of the outer series scaly (otherwise as Apargia). 
. Hinracium. Involucrum imbricated, with linear-oblong scales, 
tacle punctured. Pappus simple, sessile. ovate. Recep- 
. Crerrs, Involucrum swollen at the base, surrounded by deciduous scales. 
Pappus simple, sessile. 
. Borgnavsta. Involucrum oval, with deciduous scales at the base, ribbed when 
in fruit. Pappus nearly simple, stalked. 
. Hypocuaris. Involucrum oblong, imbricated. Receptacle chaffy. Pappus 
feathery. 
. Larsana. Inyolucrum with small scales at the base; the inner ones equal, 
linear-lanceolate. Pappus wanting. 
Cicnortum. Involucrum of § united scales, with 5 smaller at the b P 
sessile, scaly, shorter than the fruit. dati ai cr 
tt Corollas all tubular. 
Arctium. Involucrum globose, the scales terminating in a hook, Pappus 
simple, short, persistent. 
SerRATULA. Dicecious. Involucrum oblong; scales acute, unarmed. Pappus 
persistent, the hairs rigid, in 3 or 4 rows. 
Saussurga. Involucrum oblong, scales unarmed. Anthers bristly below. - 
Pappus sessile, in 2 rows. 
Carpuvs. Involucrum swollen ; the scales simple, spine-pointed. Receptacle 
hairy. Pappus deciduous, hair-like, united into a ring at the base, 
Sinysum. Filaments of stamens united (otherwise as Carduus). 
Cnicus. Pappus feathery (otherwise as Carduus). 
Onororpum. Involucrum swollen ; the scales spreading, spine-pointed. Recep- 
tacle honeycombed. 
Carina. Involucrum swollen ; the outer scales leaf-like, sinuous, very spiny ; 
the inner ones long and linear, coloured. Pappus feathery. 
. Bmens. Inyolucrum double; the outer scales leafy, spreading. Outer florets 
sometimes ligulate. Receptacle chaffy. Pappus of 2-5, rough, persistent 
awns. 
. Evparortum. Involucrum oblong. Florets few. Receptacle naked. Pappus 
feathery. 
. Curysocoma. Involucrum hemispherical. Pappus hairy. Style scarcely longer 
than the florets. 
. Diorrs, Involucrum hemispherical. Receptacle convex, chaffy, the scales not 
fringed. Pappus wanting. Fruit with 2 ear-like processes, 
** Florets of the centre perfect, those of the circumference with pistils only. 
t Outer florets not ligulate. 
_'Tanacetum., Involucrum hemispherical. Receptacle naked. Florets all tubu- 
lar; those of the margin 8-cleft, sometimes wanting, the rest 5-cleft, Pappus 
obscure. 
_ Arremtsta. Involucrum ovate or rounded. Receptacle naked or hairy. Florets 
all tubular ; those of the margin slender, entire. Pappus wanting. 
_ AnrvennarraA. Involucrum imbricated ; the scales membranous. Receptacle 
naked. Florets of the margin awl-shaped. Pappus rough or feathery. 
Flowers dicecious. 
_ Gwaruattum. Flowers perfect (otherwise as Antennaria). 
2 Coryza. Involucrum roundish, imbricated. Florets all tubular ; those of the 
circumference 3-toothed. Pappus hairy, rough. 
++ Florets of the margin ligulate, those of the disk tubular. 
Ericeron. Involucrum imbricated ; scales linear, acute, very numerous. 
Tyssizaco. Inyolucrum simple; scales linear, membranous on the margin. 
Florets of the margin ray-like, numerous, linear, long ; those of the disk 
few. 
