1919.] Notes on the Vegetation of Seistan. 291 
Distrib.—Sind, Afghanistan and Baluchistan. 
Forms large, flat rosettes in stony jungles. 
44. §$crophularia, L. 
60. §., sp., near marginat 
Loc.—Lab-i- Baring, No. 52 ; ol 1,600’. 
Forms loose clumps in stony desert. 
XXI. CONVOLVULACEAE. 
45. Cressa, Linn. 
61. OC. cretica, Linn. FI. Br. Ind. iv, 225; Boiss. Fl. Or, 
114; Musch. FL Egypt, li, 760. 
Loc.—Lab-i-Baring, No. 44, alt. 1,600’; and Lutak, No. 
Local name.—Lujak ey). 
Distrib.—All warm regions 
rows only on very friable dry soil mixed with fine gravel. 
Branches always prostrate. 
XXII. BorRaGINACEAE. 
46. Heliotropium, Linn. 
62. H. luteum, Poir. ie oe Ind. iv, 148; Boiss. Fl. Or. 
iv, 141 ; Musch. FI. Egypt, li, 
Loe. —Hurmuk, Seistan No. ee alt. 2,000’. 
Distrib. BG te Syria, ‘Palestine, eaiek and North Africa. 
In sandy des 
63. H. a Fresen. Boiss. Fl. Or. iv, 146; 
sa wages sa Egypt, ii, 786. 
—Lab-i- -Baring, No. 33 ; aid 1,600’. 
Local name.—Gul-i-ki,i G 
Distrib.— Afghanistan, Arahin and Tropical Africa 
Grows flat in the stony desert. Corolla white with yellow 
centre. 
64. H. undulatum, Vahl. Fl. Br. Ind. iv, 150. Boiss. FI. 
Or. iv, 147: Musch. Fl. Egypt, ii, ge 
Loc.—Lab-i-Baring, No. 65; alt. 1,600’. 
Distrib. Tene India, West peg and North Africa. 
XXIII. CucuRBITACEAE. 
47. Citrullus, Linn. 
65. €. Colocynthis (L.), Schrad. Fl. Br. Ind. ii, 620; 
Boiss. Fl. Or. ii, 759 ; Musch. Fl. Egypt, ii, 938. 
