THE BOTANICAL EXPLORATION OF ARABIA. 
497 
APPENDIX. 
Of the following collectors I have not been able to apjccrtain any details, 
especially not the date of their visits to Arabia. 
Bruee. — Collected in Arabia deserta. 
Fischer, S. — Collected 208 sheets of plants in S. Arabia and sent 
them to Kew (ex Herb. Kew). 
Orotan, F.^ — Collected in Sinai (ex A. Thellung sub gen ere Lepidium). 
Holland, F. W.^ — Collected in Sinai (ex Herb. Kew.). 
Paul, Prince of Wiirtemberg.— Collected at Jidda, (ex Engl. Bot. 
Jahrb. XVIII, 99). 
Spitzel. — Collected at Mecca. Plants in Herb. Dingle (ex Engl. 
Bot. Jahrb. XVIII, 100). 
Wiesiicr, Kd. — ^Collected at Aden (ex Herb. Sulp. Kurz). 
