4.38 



COMPOSITE. 



Heads nsTially many flowered, separate ; 

 achenes glabrous. 



Achenes with a horizontal areole. 



Leaves and invol. spinous, 

 V pappus-haira plumose. . , 41. Cnicus. 



Leaves and invol. unarmed. 



Filaments glabrous, pappus 



1-2-seriate, inner plumose 42. Satjsstteea. 

 Filaments hairy, pappus 

 scales many-seriate . 43. GONIOCAULON. 



Achenes with an oblique or lateral 

 areole. 



Heads homogamous, flowers all 

 2-sexual and fertile, achenes 

 smooth or faintly ribbed . 44. Tbicholepis. 



Heads heterogampus ; outer 

 flowers l-seriate, neuter ; 

 achenes strongly 5-15-ribbed . 45« Voltitabella. 



TRIBE IX.— MUTISIACE^. Beads hetero or homogamous, fayed or 

 not. Invol-hracts many-seriate (spinescent in Bicomd). Receptacle 

 rarely paleaceous. Corolla deeply 5-fid, or 2-lipped. Anther-cells 

 tailed. Style-arms rounded or truncate, not appendaged. PappuB 

 various. Leaves usually alternate. 



Flowers all tubular and 2-sexual, or (in 

 Dicoma) the outermost sometimes f em. 

 and shortly ligulate. 



Pappus-hairs simple. A small tree 46. Leucomeeis. 



Pappus-hairs feathery, 

 rigid shrub 



A small 



Flowers all ligulate. 

 evergreen shrub 



A small erect 



47. Dicoma. 



48. Catamixis. 



Flowers all ligulate. Juice 



SERIES II.— LIGULIFLOB^. 



watery. 



TRIBEX.-CICHORIA Heads homogamous- Corollas all 



ligulate, truncate, 5-toothed. Anther-lases sagittate, rarely tailed. 

 Style-arms slender. Leaves radical or alt. 



Achenes narrowed at both ends, beaked 

 or not. 

 Achenes, fusiform rarely beaked 



49. Cbepis. 



