LXXIII. COMPOSITE (OLIVER AND HIERN). 259 



higher, the outer row sometimes calycalate. Receptacle naked or 

 foveolate or fimbriliate. Corolla of the disk-florets tabular, regular, 

 shortly 4r-5-cleft. Anthers appendaged at the apex, usually sagittate 

 but not tailed at the base. Style.branches of the hermaphrodite florets 

 usually penicillate, truncate or appendaged, rarely tapering into loug 

 puberulous extremities. Pappus setose or rarely wanting. — Herbs 

 shrubs or trees with alternate leaves and disk-florets usually yellow. 

 Involucral bracts in many rows, the outer ones suc- 

 cessively shorter (Subtribe Liabees) 78. Gonqbothamnus. 



Involucral bracts in 1-2 rows, subequal, sometimes 

 with an outer calyculate row. 

 Involucral bracts free or soon becoming so (Subtribe 

 Ezcsenecwnea). 

 Style-branches ending in long subulate puberulous 



extremities 79. GvinJEA. 



Style-branches truncate or shortly penicillate. 

 Achenes, at least those of the ray-florets, dorsally 



compressed, usually broad 80. Cikeraria. 



Achenes 5-10-ribbed or 5-angled, not dorsally 

 compressed or not much so. 

 Involucre not calyculate. Capitula discoid. 



Style-branches with an appendix 81. Emilia. 



Style-branches ending in a continuous ovate 



or lanceolate papillose extremity . . .82. Notonia. 

 Involucre calyculate or capitula radiate (except 



iS. emilioides) 83. Sknbcio. 



Involucral bracts connate into a cup at the base or 

 higher (Subtribe Othonnece). 

 Florets of the disk aU or mostly fertile ; style bifid. 



Low tufted acaulescent herb 84. Wbbneria. 



Procumbent branched undershrub 85. Eueyops. 



Florets of the disk sterile ; style undivided . . .86. Othonna. 



Tribe IX. Calendulese. Capitula heterogamous, radiate ; florets 

 of the ray female, fertile, in 1-2 rows ; florets of the disk hermaph- 

 rodite, barren. Involucral bracts naiTow, in 1-2 rows, herbaceous or 

 membranous, usually scarious on the margins. Receptacle naked. 

 Corollas of the ray-florets ligulate, entire or 8- dentate at the tip ; co- 

 rollas of the disk-florets regular, tubular, shortly S-cleft. Anthers 

 sagittate with mucronate auricles or subentire and obtuse. Style of 

 the hermaphrodite florets undivided and rounded at the apex or with 

 2 short flattened truncate branches ; style of the female florets biden- 

 tate or undivided. Achenes of the ray-florets large, winged or sub- 

 terete ; those of the disk effete. Pappus 0. — Herbs or shrubs with 

 alternate or occasionally opposite leaves and yellow or purple flowers. 



Achenes 3-winged 87. Triptbbis. 



Achenes subterete, not winged • • 88. Ostbospermtjm. 



Tribe X. Arctotideee. Capitula heterogamous radiate or rarely 

 homogamous by deficiency of the ray-florets; ray-florets female or 

 neuter; disk- florets hermaphrodite, fertile or the innermost ones 

 sterile. Involucral bracts in many rows, imbricated, broadly scarious 

 or very acute or spinous at the apex. Corollas of the ray ligulate ; 

 corollas of the disk tubular, regular. Anther- base entire or sagittate ; 



