LXX. COMPOSITiE. 167 



Pappus of 15-20 rigid barbed bristles 132. Heteeolepis. 

 Eays neuter, never having achenes. 



Pappus 0. Achenes 4-sided .... 129. Aectotheca. 

 Pappus of several scale?, liidden among 



the long silky hairs that clothe the 



achene . . '. 130. Cetptostemma. 



Pappus crovvm-like, minute, crenate. 



Achenes tomentose 131. Miceostephium. 



2. GoETEEiE^. Involucral scales, at least the 

 outer and medial, pungent, and mostly 

 spinous at the sides, more or less con- 

 crete. Heads either radiate or discoid ; 

 rays neuter. 

 Involucral scales concrete into a cup, toothed 

 or lobed round the apex. 

 Achenes subgiabrous. Pappus crown- 

 like 133. GOETEEIA. 



Achenes villous. Pappus of thin toothed 



scales 134. Gazania. 



Involucral scales in 2 or many rows, con- 

 crete at base only. 

 Pappus 0. Achenes glabrous .... 135. Cullumia. 

 Pappus crovpn-like, crenate, Achenes 



glabrous 137. Stephanocoma. 



Pappus splitting into short bristles. 



Achenes woolly 136. HiEPiciUM. 



Pappus of many ilat, separate scales. 

 Involucral scales imbricate in many 

 rows. 

 Pappus-scales obtuse, denticulate . 138. Stob-SIA. 

 Pappus- scales acute or taper- 

 pointed 139. Beekeleya. 



Involucral scales in 2 rows. Pappus 



scales fimbriato-plumose .... 140. Didelta. 



Subtribe 2. MrxisiE^. Heads commonly radiate, rarely discoid. In- 

 volucres imbricate, Eeceptacles nude or fimbrilliferous. Corolla of disk 

 or ray, or of both, very generally (not always) 2-labiate, or irregularly cleft. 

 Anthers rigid, in all the Cape genera witli long tails. Pollen mostly 

 smooth. (Gen. 141-146.) 



* Shrubs, or dwarf woody plants, none herbaceous. 



Leaves very thick and leathery, entire, penni- 



nerved, woolly beneath. Stem dwarf or 



tall 141. Oldenbuegia. 



Leaves membranous. Small shrubs or shrub- 

 lets. 

 Pappus of many shortly plumose bristles. 



Eays female. Shrubs 142. Peintzia. 



Rays neuter or 0. Half-shrubs . . . 143. DicoMA. 

 Pappus 0. Receptacles flmbrillate . . . 146. Aeeowsmithia. 

 ** Stemless herbs. Leaves radical, pctioled. 

 Scapes 1 -headed. * 



Heads radiate 144. Geebeka. 



Heads discoid 145. Peedicium. 



