524 Mr. Edward Saunders on 



that passes through the stony wastes and low hills (koudia) 

 north of the oasis, and crosses by the Col de Sfa the higher 

 ridge, Djebel-bou-Ghezala, previously alluded to. The old 

 race-course, French and Jewish cemetery, railway to Con- 

 stantine as far as kilometre 198, and the neighbouring kou- 

 dias or hills and stony wastes, north and north-east of the 

 town ; the pastures and Maltese palm-garden between the 

 railway and the river above the barrage, about kilometre 

 199 to 198, and the borders of the river, Oued Biskra 

 amongst Tamarix scrub thereabouts ; the hill with Bordj 

 Turcvieux upon it, by railway kilometre 200, commanding 

 the barrage ; and a brick-kiln by the conduit or sakia be- 

 tween the barrage and Fort St. Germain. The border 

 of the river and the Arab douar on the further side from 

 Biskra, and some flat-topped hills beyond that? 



Plants cited. — Cruciferse ; Raphanus sativus (iii. 3) ; 

 Neslia pauciovulata (v. 12) ; Brassica napus (ii. 27 ; iii. 

 3); Diplotaxis pendula (ii. 26; iii. 1, 13, 30; iv. 14); 

 Moricandia cinerea (ii. 16, 17 ; iii. 10) and arvensis (ii. 

 10-17, 25, 26 and iv. 22). Capparidese ; Cleome arabica 

 (ii. 8). Rescdacese ; Reseda sp. — (iii. 21). FrankeniacecV ; 

 Frankenia hirsuta (v. 15, 20). Zygophyllew ; Zygophyllum 

 cornutum (ii. 10, 12; iii. 20; iv. 18); Peganum harmala 

 (iv. 3-26 ; v. 3) ; Nitraria tridentata (iv. 25, 27 ; v. 11, 25). 

 Rhamnete ; Zizyphus lotus (iv. 25 to v. 22). Zegmninosse ; 

 Retama retam (ii. 15) ; Ononis angustissima (iii. 28); Me- 

 lilotus messanensis (ii. 15) ; Medicago lappacea (iii. 12) ; 

 Acanthyllis tragacanthoides (i. 27 — ii. 24); Hedysarum 

 carnosum (iv. 9, 18). Tamariscineie ; Tamarix brachy- 

 stylis, etc. (iii. 23 — v. 14). Umbelliferss ; Eryngium ilici- 

 folium (vii. 18) ; Ammi visnaga (v. 10 — vii. 8) ; Deverra 

 chlorantha (v. 10 — vi. 3), scoparia (xi. 26; ii. 14; v. 22 — 

 vi. 4); Ferula vesceritensis (ii. 17(?), 25; iv. 5, 15 — the 

 flowers seldom visited for honey, except by ants and Dip- 

 tera). Composite ; Perideria fuscata (ii. 4-23 ; v. 7) ; Ca- 

 lendula sp. — (ii. 8, 15); Echinops spinosus (iv. 25 — v. 10); 

 Atractylis serratuloides (iv. 30 — v. 13) ; Centaurea sp. — 

 (v. 3) ; Amberboa Lippii (iii. 27 — iv. 13) ; Carduus sp. — 

 (v. 7, 18) ; Hypochseris glabra (iv. 27) ; Leontodon (kalb- 

 fusia) mulleri (iv. 15) ; Sonchus maritimus (iv. 3-13) ; Pi- 

 cridium vulgare (iv. 11, 13), tingitanum (iv. 3, 12); Crepis 

 taraxacifolia (iv. 13; v. 7). Asclepiadese ; Dsemia cordata, 

 Pterocheilns (black) at rest on (ii. 14). Boraginese ; Echium 

 humile (iv. 11, 12 ; v. 15) ; Echiochilon fruticosum (iii. 28). 



