406 InDEX-KEy 
7. A. fimbriatus : larger t.; broader bracts; many slit rays. 150 
** Bracts truncate and rounded, scarious edged with 
white or pink ; teeth small, sharp. 
8. A. fragrans: lvs. lanceolate from a broad base ; si. shallow. 
153 
9. A. excavatus : lvs. oblong-lanceo.; si. enlarged, nar., deep. 156 
*** Bracts more uniform ; teeth obsolescent above. 
10. A. subinteger : lvs. lance-triangular ; hds. few, divergent. 159 
**** Bracts triangular-acutish ; teeth slit-serrate. 
— 
i 
. A. sextilis: lvs. oblong-lanceo., caudate; si. slight. Early. 
161 
Subdiv. B. Stem weak or decumbent. 
12. A. stilettiformis: lvs. nar., straight-acum., slit-serrulate. 163 
13. A. Parthianus : lvs. lance-ovate, deflexing, serrul.; pet. short, 
narrow. 166 
14. A. camptilis: lvs. oblong-acum., serrate; many wings. 168 
I5. A. Boykin: lvs. obl- or ovate-acum.; ser.; si. strong; 
Southern. 170 
16. A. flexilis: lvs. ovate-acute, subcrenate ; si. slight ; Southern. 
17 
Div. B. CARMESINE s Erect. Thinnish, firmer, 
shorter lvs. Disks deep re 
Subdiv. A. Lower bracts i 
A. arcifolius : lvs. short-ovate ; brace si.; wide-branching. 
— 
aa 
Lon] 
9 
A. capillaris: lvs. oval-acute ; fair si.; high capillary ped. 
176 
Subdiv. B. Chief bracts obtuse or chanfer, diverse. 
. 4. virgularis: lvs. ovate-acum.; sharp si.; close sharp t. 177 
. A. rupicola: lvs. broader, shorter, rougher; broad si; 
Spike-t. 180 
tQ m= 
Q- 9 
N 
font 
. A. circularis : lvs. small, roundish, acute; close curved t. 
I 
Subdiv. C. Bracts rounded, lingual, more uniform. 
22. A. argillarius: lvs. tiny, ovate-acute, slight si. & t.; rough 
when dry. 186 
