Heliotropium.] %XXXIxX. BORAGINE® (BAKER AND WRIGHT). 39 
cymose ; peduncles up to 1 in. long ; cymes densely many-flowered, up 
to din. long. Calyx 3 lin. long, divided nearly halfway down into 5 
linear obtuse lobes. Corolla infundibuliform; tube slightly longer than 
the calyx ; lobes broad, undulate. Stamens inserted about halfway up 
the corolla-tube; anthers oblong, 1 lin. long, obtuse at both ends. 
Ovary minute; style 1} lin. long, with numerous reflexed hairs ; stigma 
conical. Nutlets plano-convex, pubescent on the back.—DC. Prodr. ix. 
037; C. H. Wright in Dyer, FI. Cap. iv. ii. 9. 
Lower Guinea. Angola: near Mossamedes, very common in dry sandy places 
around fazenda “ Boa Vista,” Gossweiler,79! German South-west Africa : Herero- 
land, Rautanen, 248! Damaraland, in grass fields, Lindner ! 
Also in South Africa. 
20, Hi. cinerascens, Steud. ex DC. Prodr. ix. d34. Perennial. Stems 
woody, erect, clothed with whitish tomentum. Leaves petioled, ovate 
or oblong, acute, narrowed to the bases, 1-2 in. long, not at all crisped, 
densely pubescent on both sides. Spikes dense, ebracteate, finally 
2-3 in. long. Calyx densely pubescent, 14 lin. long ; tube as long as 
the oblong segments. Corolla-tube hairy, half as long again as the 
calyx, subcylindric; lobes small, orbicular, slightly undulate. f Style 
short, thick, retrorsely hairy. Stigma with a conical crest. Nuts 4, 
tubercled, scabrid.--A. Rich. Tent. Fl. Abyss. ii. 85 ; Engl. Hoch- 
gebirgsfl. Trop. Afr. 352. 
Nile Land. Eritrea: Keren, 4500 ft., Beccari, 146! Arrot Valley, Schwein- 
furth & Riva, 680! around Acrur, Schweinfurth §& Riva, 1127! Abyssinia, 
Schimper, 1161! Petit, 429! Quartin-Dillon & Petit, 189! Plowden ! 
Also in Arabia, 
21. H. Vatkei, Baker. Perennial. Stems much-branched. 
woody, clothed with adpressed white bristly hairs: branches virgate. 
Leaves sessile, linear, obtuse, flat, strigose, 6 lin. long. Spikes long, 
slender, bracteate, bearing above 20 flowers ; lower pedicels 1 lin. long. 
Calyx 14 lin. long, strigose; lobes linear. Corolla 2 lin. long ; eas 
slightly longer than the calyx, glabrous outside, minutely hairy in the 
throat ; lobes obtuse. Nuts tubercled, 1 lin. long.—WH. thymoides, Vatke 
in Oest. Bot. Zeitsch. 1875, 166, not of Jaub. & Spach. H. caleareum, 
Vatke in Linnea, xliii. 318 ; Engl. Hochgebirgsfl. Trop. Afr. 352, not of 
Stocks. 
Wile Land. British Somaliland: Ahl Mountains at Yafir, 6000 ft., Hilde- 
braadt, 8304 or 890A, Serut Mountains, near Maid, Hildebrandt, 1416. 
22. H. rariflorum, Stocks in Hook. Journ. Bot. 1852, 174. ae 
‘very thick and woody. Stems short, woody, much-branched, ascen ing, 
coated with white tomentum. Leaves smail, sessile, linear with revolute 
edges, densely clothed with short white bristly hairs. Huey ne 
bracteate, 3-5-flowered. Calyx 1 lin. long, clothed with shor - 2 
bristly hairs ; tube short; segments ovate. Corolla-tube ore ee . 
than the calyx ; lobes suborbicular. Stamens inserted above : e mic z 
of the corolla-tube; style elongated, glabrous; stigma shortly conical, 
