LXX. COMPOSITZ. 167 
Pappus of 15-20 rigid barbed bristles 1832. HETEROLEPIS. 
Rays neuter, never having achenes. 
Pappus 0. Achenes 4-sided . . . . 129. ARCTOTHECA. 
Pappus of several scales, hidden among 
the long silky hairs that clothe the 
achene . . seay) d, ey veuloOs CRYPTOSTENATA. 
Pappus crown- like, ‘minute, crenate. 
Achenes tomentose. . . . . . . 181. MICROSTEPHIUM. 
2. Gortertrm. Tnvolucral 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 subglabrous. Pappus crown- 
BRE." | s 133. GORTERIA. 
Achenes villous. Pappas of thin toothed 
scales . . - 1384, GAZANIA. 
Involueral scales in 2 or many rows, ¢ con- 
crete at base only. 
Pappus 0. Achenes glabrous. . . . 185. CULLUMIA. 
Pappus crown-like, crenate. Achenes 
glabrous . . . . . . . 137, STEPHANOCOMA. 
Pappus splitting ‘into short bristles. 
Achenes woolly... . . 136. Hippicium. 
Pappus of many flat, separate scales. 
Involucral scales imbricate in many 
rows. 
Pappus-seales obtuse, denticulate . 138. STopma. 
Pappus-scales acute or taper- 
pointed .. . . . 139. BERKELEYA. 
Involucral scales in 2 rows. " Pappus 
scales fimbriato-plumose . . . . 140. DIpDELTA. 
Subtribe 2. Mutistrm. Heads commonly radiate, rarely discoid. In- 
volucres imbricate. Receptacles 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 with 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 
CAT casi hee ane. ot. 7 Ea Opp ENBU REGIA, 
Leaves membranous. Small shrubs or shrub- 
lets. 
Pappus of many shortly plumose bristles. 
Rays female. Shrubs . . : . 142. PRIntTz1A. 
Rays neuter or 0. Half-shrubs . . . 143. Dicoma. 
Pappus 0. Receptacles fimbrillate . . . 146. ARROWSMITHIA. 
** Stemless herbs. Leaves radical, petioled. 
Scapes 1-headed. 
Headsradiate.. . ... . =... . . 144. GERBERA. 
Headsidiscoid 0: . ws eS 2 1455 PRRDICIUM. 
