176 C. BoRAGINEE. (C. B. Clarke.) [ Arnebia. 
scar basal, large, triangular, flat, shortly produced up the inner face.— Species 
12; in N. Africa, W. and Central Asia. 
l. A. hispidissima, DC. Prodr. x. 94; very hispid, leaves lanceolate, 
sepals } in., corolla-tube 4 in., nutlets 4—3} in. ovoid-conie sharply tuberculate 
on all sides. Wight Ic. t. 1393; Boiss. Fi. Orient. iv. 213; Clarke in Journ. 
Linn, Soc. xviii. 524. Dioclea hispidissima, Spreng. Syst. i. 556. Lithospermum 
hispidissimum, Lehm. Ic. t. 39. L. vestitum, Wall. Cat. 941 ; Benth. in Royle 
TU. 305. Echiochilon hispidissimum, Tausch. in Flora, 1829, 643. Strobila 
hispidissima, G. Don Gen. Syst. iv. 327. 
Western Ixpia, alt. 500-3000 ft. ; from the Upper Gangetic plain and Rajpootana 
westwards, frequent. —DrisrRIB. W. Asia to Egypt and Nubia. . 
Annual and (at least) biennial, diffuse, 3-15 in.; hairs white, harsh, spreading 
from tubercular bases. Leaves 2 by Lin. Spikes 2-4 in., one-sided; bracts 1-3 MM., 
linear. Corolla yellow, mouth } in. diam.—Dimorphic; the plants with stamens sub- 
exsert about as numerous as those with anthers below the corolla-throat. 
2. A. Griffithii, Boiss. Fl. Orient. iv. 213; patently hispid, leaves lan- 
ceolate, sepals j—3 in., corolla-tube ł-1 in., nutlets 3, in. ovoid suddenly narrowed 
upwards obtusely tuberculate on all sides. Bot. Mag. t. 5266. A. echioides, 
Hook. Bot. Mag. t. 4409, not of l. c.—Arnebia sp. n. 5, Herb. Ind. Or. H. f. 
ğ 1. 
c pomas; Peshawur, Vicary. Scixne; Col. Thompson.—DIsTRIB. Beloochistan, 
abul. 
Annual, diffuse, 3-6 in. ; hairs white, spreading, from tubercular bases. less harsh 
than in A. hispidissima. Leaves 2 by 1 in. Spikes 1-3 in., one-sided. Corolla 
yellow, lobes on expansion with 5 dark brown spots at the sinus, which disappear as 
the day advances, mouth }-} in. diam. Nuts much larger than those of A. Aispídi- 
sima, more triangular in horizontal section. Dimorphic. 
_ 3. A. Thomsoni, Clarke; shaggy hispid, leaves narrowly oblong, sepals 
4 in., corolla-tube 4 in., nutlets 3; in. ovoid-conic without tubercles.— Arnebia sp- 
n. 6, Herb, Ind. Or. H. f. & T. 
Western Trset; Piti Valley, Thomson; Leh, Lance. 
Biennial or perennial, diffuse, 3-10 in.; hairs white, long, dense, softer and more 
numerous than in A. hispidissima. Leaves 1j by 3-4 in. Spikes 1-2 in., dense ; 
bracts oblong, obtuse, overtopping the sepals. Corolla nearly as of A. hispidissim4- 
Nutlets gradually narrowed upwards, trigonous in horizontal section.—Stems and spikes 
much more villous than those of A. hispidissima, and the nutlets larger, smoot 
Dimorphic. 
4. A. tibetana, Kurz in Journ. As. Soc. 1874, pt. ii. 189; hispid, leaves 
narrowly oblong, sepals }-} in., corolla-tube 4-3 in., nutlets 3; in. ovoid-conic 
scabrous.— A rnebia sp. n. 7, Herb. Ind. Or. H. Fs T. 
NortH Kasmuig and Western TierT, alt. 7-12,000 ft., frequent ; Thomson, 
Jaeschke, Aitchison, &e.—Disruis. Kashgar, Yarkand. 
Rootstock perennial, staining red.—Closely resembling A. Thomsoni; but more 
hispid, less villous ; the spikes often elongate, the sepals somewhat widened in fruit 
the nutlets minutely tuberculate. Dimorphic. 
31. MACROTOMIA, DC. 
Erect, hispid, perennial herbs. Leaves alternate, oblong or linear. Spikes 
dense, or in fruit elongate. Sepals 5, linear, long, more or less accrescent 1 
fruit. Corolla (in the Indian species) ; tube narrow, long; throat naked ; lobes 
5, imbricate in bud, round, spreading. Stamens 5; anthers oblong, obtuse, 1D 
