30 lxxxix. boragine^e (baker and wright). [Toumefortia. 



tomentum. Leaves crowded at the end of the branches, oblanceolate> 

 obtuse, entire, 6-9 in. long, narrowed gradually to the base. Inflo- 

 rescence a very compound cyme, with a long peduncle and many- 

 flowered spicate branchlets. Calyx campanulate, 1| lin. long. Corolla 

 white, fragrant ; tube as long as the calyx ; lobes short, broad. Style 

 very short below the stigmatose ring, forked above it. Drupe globose, 

 black when dried, about 2 lin. in diam. Seeds not albuminous. — DC. 

 Prodr. ix. 514; Klotzsch in Peters' Reise Mossamb. Bot. 250 ; Baker, 

 Fl. Maurit. 201 ; C. B. Clarke in Hook. f. Fl. Brit. Ind. iv. 145. 



lower Guinea. Amboland ; Olukonda, Schinz, 757 ! 



Mozamb. Dist. Portuguese East Africa : Mozambique coast, Peters. 



Also in the Mascarene Islands, Tropical Asia, and Polynesia. 



7. HELIOTROPIUM, Linn. ; Benth. et Hook. f. Gen. PI. ii. 843. 



Calyx small, campanulate, usually deeply 5-lobed ; lobes oblong or 

 lanceolate. Corolla-tube cylindrical ; lobes 5, usually short and obtuse, 

 patent, imbricate or induplicate. Stamens 5, inserted about the 

 middle of the corolla-tube ; filaments very short ; anthers ovate-oblong, 

 or lanceolate. Ovary 4-celled ; style terminal, simple, usually short, 

 with a stigmatic ring below the apex ; ovules pendulous. Fruit 

 usually breaking up into 4 nuts, which are distinct or cohere in pairs ; 

 seeds straight or curved ; albumen usually present ; cotyledons plano- 

 convex ; radicle short. — Herbs or undershrubs, usually hairy or 

 scabrid. Leaves alternate, rarely subopposite. Flowers usually in 

 simple or compound scorpioid spikes. 



Species 100 or more, spread through the warm and temperate regions of both 

 hemispheres. 



H. Deserti, Vatke in Oest. Bot. Zeitschr. 1875, 166, and Linnsea, xliii. 321, is 

 Verbena supina, L. 



Corolla-lobes distinctly caudate . . . . 1. S. zeylanicum. 



Corolla-lobes not caudate. 

 * Annuals. 



Leaves obtuse at tbe base. 



Calyx sparingly pilose . . . . .2. H. indicum. 



Calyx strigose . . . . . 3. H. simile. 



Calyx densely hirsute . . . . . 4. H. pattens. 



Leaves tapering to the base. 

 Leaves obovate. 



Corolla-tube scarcely longer than the calyx 5. If. phyllosepalwm. 

 Corolla-tube distinctly longer than the calyx 6. H. ovalifolium. 

 Leaves elliptic . . . . . . 7. S. JBaclei. 



Leaves oblong. 



Nutlets pubescent . . . . . 8. H. enropceum. 



Nutlets glabrous . . . . . 9. H. pterocarpum. 



Leaves linear-lanceolate .... 10. H. curassavicum. 



** Perennials. 



Stigma subcapitate . . . . . . 11. S. albohispidum . 



Stigma mushroom-shaped ..... 12. H. arhainense. 



Stigma with two long arms . . . . 13. 27. ophioglossum . 



