XCV. BOEAGINE^. 299 



5. HELIOPHYTUM, DC. 



Calyx 5-parted or 5-fid, persistent. Corolla salver-sLaped ; 

 throat stronj2;ly constricted, 5-rayed, the lobes of limb mostly 

 undulate. Anthers included. iStyle very short ; stigma capi- 

 tate or conical. Nuts 2, separable, 2-celled, 2-seeded, not on a 

 common receptacle. — DC. Prod. \^. p. 551. 



Herbs or underslirubs, with tlie habit of //e^io/ro^^/MW, chiefly American. 

 — H. lineare, A. DC, the only Cape species, is doubtfully referable here; 

 with the habit of a Heliophytum^ it has the 4-parted fruit of a Ileliotro- 

 pium. 



TeIBE 4. BoRAGEiE. 



6. LOBOSTEMON, Lehm. 



Calyx 5-parted, the lobes lanceolate. Corolla funnel-shaped, 

 subregular, the tube about equalling the calyx, gradually 

 dilating into a nude throat ; lobes ovate, acute, suberect, equal. 

 Stamens mostly exserted, inserted about or below the middle 

 of corolla-tube, each furnished on the inside, at base, with a 

 hairy-bordered, erect or reflexed scale (sometimes very small) ; 

 anthers subglobose. Style filiform, as long as the stamens ; 

 stigma simple. Nuts 4, granulate, sub-3-gonous, imperforate 

 at base. — DC. Prod. x. p. 4. 



Herbs or shrubs, all South African, with scattered, sessile, entire leaves, 

 and racemose, spiked or capitate, mostly blue or purple or piukish flowers. 

 . — iO species, dispersed. 



7. ECHIUM, Tourn. 



Calyx 5-parted (rarely 2-3-4 lobes connate) ; lobes linear- 

 lanceolate. Corolla-tube cylindrical or funnel-shaped, the 

 limb unequally and obtusely 5-lobed, the throat dilated, nude. 

 Stamens unequal, mostly exserted, without any scale or dila- 

 tation at base ; anthers dorsally fixed. JStyle filiform, mostly 

 exserted ; stigmas more or less 2-lobed. Nuts 4, ovate or tur- 

 binate, rugose, scabrous, imperforate at base. — DC. Prod. x. 

 p, 13. 



Slirubs or herbs. Leaves alternate, entire, mostly very rough. Flowers 



spiked or panicled, purple reddish or blue 11 Cape species, besides one or 



two naturahzed. 



8. STOMATECHIUM, Lehm. 



Calyx 5-fid, 5-anglcd ; lobes ovate, acute. Corolla tubular, 

 regularly 5-lobed, the lobes roundish, erect, the throat with 5 

 roundish, fleshy, muricate scales, opposite the lobes. Stamens 

 in the middle of the tube ; filaments very short ; anthers in- 

 cluded, acuminate. Style equalling the corolla ; stigma simple. 



