Heliotropiwm.] XXXIX, BORAGINEZ (BAKER AND WRIGHT). 31 
Stigma with a conical crest. 
t+ Spikes dense, ebracteate. 
Nerves of leaves impressed above : . 14, H. supinum, 
Nerves of leaves not impressed above. 
Leaves hispid with bulbous-based bristles. 
Corolla less than twice as long as the 
calyx : : : : . 15. H. undulatum, 
Corolla 4 times as long as the calyx . 16. H. hirsutissimum, 
Leaves hirsute or pubescent. 
Corolla-lobes flat with intermediate 
folds. : : ; : . 17. H. erosum. 
Corolla-lobes flat without intermediate 
folds . : z : . 18. H. oliverianum. 
Nutlets pubescent . 5 : . 19. H. tubulosum. 
Nutlets scabrid  . . ; . 20. H. cinerascens. 
tt Spikes many-flowered, bracteate : . 21. H. Vatkei. 
ttt Spikes few-flowered, bracteate. 
Leaves linear, hairs simple. : . 22. H. rariflorum, 
Leaves lanceolate, with white bristles . 23. H. lignosum, 
Leaves oblanceolate, hairs bulbous-based 24. H. arenarium, 
Leaves more or less ovate, hairs simple . 25. H. marifolium. 
tttt Spikes many-flowered, at length lax, ebracteate. 
Leaves linear or linear-lanceolate, sessile 
or subsessile . : : : . 26. H. strigosum. 
Leaves broader, distinctly petioled. 
Corolla 4 times as long as the calyx 27. H. abyssinicum, 
Corolla 2-3 times as long as the calyx 28, H. longiflorum. 
Corolla not more than twice as long 
as the calyx. : 
Leaves slightly undulate. . 29. H. Steudneri. 
Leaves flat. 
Branches pubescent : - 30, H. dissimile. 
Branches scabrid. 
Stigma bifid : : . 31. H. somalense, 
Stigma 4-toothed - . 32. H. Eduardi. 
1. H. zeylanicum, Lam. LFncycl. iii. 94. Perennial. Stems 
slender, erect, woody, much branched, finely pubescent and with long 
white bristles. Leaves linear or linear-lanceolate, 1-3 in. long, 
narrowed to the base, with bulbous-based hairs especially on the upper 
side, pubescent beneath, sessile or shortly petioled. Spikes lax, 
ebracteate, finally 6-9 in. long. Calyx 1 lin. long, hairy outside ; 
lobes ovate. Corolla-tube 2 lin. long, hairy outside; lobes 1 lin. long, 
caudate-acuminate. Anthers inserted in the upper part of the corolla- 
tube, lanceolate; connective produced above, bifid. Style 1 lin. long, 
glabrous; stigma conical, slightly shorter than the style. Fruit 
depressed globose, not longer than the calyx ; nutlets 4, often cohering 
in pairs, rugose.— Wight, Ic. t. 892; C. B. Clarke in Hook. f. Fl. Brit. 
Ind. iv. 148; Hiern in Cat. Afr. Pl. Welw. i. 720; Gregory, Great 
Rift Valley, 395. H. curassavicum, var. zeylanicum, Burm. F 1. 
Ind. 41, t.16. fig. 22 H. swbulatum, Hochst. ex Vatke in Linnea, xliii. 
316; Martelli, Florul. Bogos. 59. H. gracile, R. Br. in Salt, Abyss. 
Append. lxiii. H. micranthum, Welw. Apont. Phyto-Geogr. 591. 
