Convolvulus. 763 
a) Leaves ovate. 
* Peduncles much longer than 
the icorollanpig wey -14 | feaidly- 10. C, althaeoides. 
** Peduncles much shorter than 
the ccorollageaweyt ieee ie <tee 11. C. arvensis. 
6) Leaves cordate-ovate. ... . 12. C. fatmensis. 
B. Annuals. Peduncles |-flowered...... 13. C. siculus. 
1062. (1.) Convolvulus Hystrix Vahl Symb. I (1791), p. 16. 
— Boiss. Flor. Or. IV, p. 88. — Choisy in DC. Prodrom. IX, p. 400. 
— Aschers.-Schweinf. I]. Flor. d’Eg., p. 106 no. 694. Sickenberg. 
Contrib. Flor. d@’Eg., p. 258. — Convolvulus spinosus Forsk. Flor. 
aeg.-arab., p. 106 not of Burm. — Convolvulus armatus Del. Ilustr. 
Flor. d’Eg., p. 201 tab. 18. —- An erect shrub; branchlets numerous, 
short, spreading, hairy, ending in sharp spines. Leaves small, stiff, 
sessile, 9mm long or less, rarely reaching 5mm broad, oblong, 
tapering slightly towards the subobtuse apex, silky. Flowers axillary, 
sessile, usually solitary. Calyx 6 mm long, clothed with short brown 
hairs; 2 outer sepals larger, orbicular; 3 inner ones ovate. Corolla 
blue, hairy on the midpetaline areas, little longer than the calyx, 
nearly 10 mm long. Capsule not seen. — Flow. March to April. 
D. 1. Wady Esne; Wady Shubriq near Hdfu. — D. a. sept. 
Gebel ahmar near Cairo; Wady Dugla; Suez. — D. a. mer. Wady 
Lekhuma. 
Local name: shibrim; shibriq; shubruq (in Upper Egypt.). 
Also known from Tropical Africa, Arabia and Syria. 
1063. (2.) Convolvulus lanatus Vahl Symb. I (1791), p. 16. 
— Boiss. Flor. Or. IV, p. 89. — Choisy in DC. Prodrom. IX, p. 400. 
— Aschers.-Schweinf. Hl. Flor. d’Eg., p. 107 no. 695. — Sickenberg. 
Contrib. Flor. d’Eg., p. 258. — Aschers. Flor. Rhinocol., p.800 no. 176. 
—  Aschers.-Schweinf. Primit. Flor. Marmaric., p.659 no. 216. — 
Convoloulus Cneorum Forsk. Flor. aeg.-arab., p. LXT not of Linn. 
— Convoloulus Forskalei Del. Ul. Flor. @Eg., p.203 tab. 18. — 
Sibth. and Smith Flor. graec., tab. 202. — Convolvulus  sericeus 
Choisy in DC. Prodrom. IX, p. 400 not of Burm. — A shrubby plant, 
20—40 cm high or sometimes somewhat more, newer branches woolly, 
older ones naked. Leaves grey, puberulent, oblong-spathulate, 1,5 to 
4 cm long, tapering to a petiole, the upper ones sessile, lanceolate. 
Flowers clustered, sessile, forming interrupted spikes; sepals villous; 
corolla pinkish-white, silky, 2—3 cm long. twice to thrice as long 
as the calyx. — Flow. December to March. 
M. ma. Marmarica: Ras-el-Ken@is; Mariut; Alexandria-West 
and -East to Abukir. — M. p. Tawil-es-sakkim; Bir-el-Mesa’uidat; 
