FLORA ARABIC A 
2'Zl) 
7. S. Olivieri Coult. Dips. 36, t. *2, f. 10 ; Boiss. PI. Or., iii, (1875) 141.; 
Post FI. Syr. etc. (1896) 403. 
Habitat: I. Deserts of Arabia Petraea (Schimp. 364!); Et-Tih 
(ex Post). 
DiSTiiiB. : Arabia Petraea, Mesopotamia, Persia, Afg*lianistan, Baluchis- 
tan. 
8. S. palaestiiia Linn. Mant. 37 ; Del. Frag. FI. Arab. Petr. (1833) 
n. 48 ; Boiss. FI. Or. iii, (1875) 144 ; Post FI. Syr. etc. (1896) 403. 
Habitat : I. Arabia Petraea (De Laborde). 
Distrib. : Asia Minor, Arabia /Petraea, Palestine, Syria, Mesopotamia, 
Persia. 
9. S. papposa L. Sp. PI. (1753) 101. — 8. involucrata Sibth. et Sm. 
Prodr. i, (1806) 84 et Fl.^ Graec. ii, 11, t. 112. — Pterocephalus papposns 
Coult. Mem. Dips. 32 (1823) papposns Hal. Consp. FI. Graec. i, 
(1901) 762; Muscb. FI. Eg. ii, (1912) 930. — P. inrolncratns Spreug. 
Syst. i, (1825) 384; Boiss. FI. Or. lii, (1875) 148. — P. brevis Coult. 
Mem. Dips. 32 (1823). — P. Cmlteri Boiss. Diagn. PI. Or. ser. 1, x, (1849) 
77. 
Habitat : I. Desert Et-TiA (Boiss. I). 
Distrib. : Greece, Creta, Egypt, Arabia Petraea, Palestine, Syria, 
Cyprus, Mesopotamia, Persia. 
10. 8. pluiliosa Sibth. Ff. Graec. ii, 11, t. 3. — Pterocephains pliimosns 
Coult. Dips. 31, t. 1, f. 15 ; Boiss. Fi. Or. iii, (1815) 147 ; Post FI. Syr. 
etc. (1896) 404. 
Habitat : I. Arabia Petraea (ex Post). 
II. Yaman (ihrenb.). 
Distrib. : MediteiTanean region, Mesopotamia, Persia. 
11. 8. sasicta nov. comb. — Pterocephalus sanctns Dene. FI. Sin. in 
Ann. Sc. Nat. ser. 2, ii, (1834) 266 ; Boiss. FI. Or. iii, (1875) 150 ; Post FI. 
Syr. etc. (1896) 404. 
Habitat : I. Desert of Sinai (Bove 121 ! Ehrenb. 1); Arabia Petraea 
(Schimp. 389 !); Mt. Catherine (Boiss. !). 
Fb.. : June 1835 (Schimp.). Fk. : June J835 (Schimp.). 
Distrib. : Endemic. 
Vera, name : Samma (Bov^). 
13. 8. rotata Bieb. Id. Taur. Cauc. iii, 102 ! Boiss, FI. Or. iii, (1875) 
145 ; Carter in Rec. Bot. Surv. Inu. vi, (1917) 202. 
