510 BORAGINACEAE 
2-seeded, the base of the ovary being 4-lobed except in Helic- 
tropium. Fruit mostly 4 one-seeded nutlets. 
Ovary not lobed. . . . . «. =. . = = | Beliotropimm 
Ovary 4-lobed. 
Corolla borders regular, tube not bent 
Nutlets (the 4 divisions of the ovary) armed with barbed 
prickles. 
Corolla funnel-form, the nutlets spreading . Cynoglossum 
Corolla salver-form, the nutlets incurved . . . Lappula 
Nutlets not armed with prickles. 
Corolla throat closed by scales. 
MleshyWerbs 85h. yh) ge eee On) a eee 
Herbs not fleshy. 
Corolla star-shaped, the lobes rae pointed, no 
Gabe. 5 62) Se _« » BOrago 
Corolla with a long fate Bs eoies he Symphytum 
Corolla throat not closed by scales. 
Lobes of the corolla erect, tube cylindric 
: : : . Onosmodium 
Takes of the aeeetie spreading rounded, the tube 
tapering . . . . + Myosotis 
Lobes of corolla taste a hell- shaped body. 
Flowers white or yellow . .  Lithospermum 
Flowers blue or purple. . . . Mertensia 
Corolla border irregular, tube not bent 
Flowers blue, lobes of the corolla unequal . . . . Echium 
Tube of corolla bent 
Blowers? WlUR. ny (ict). oe One we, ed we a oe 
1. HELIOTROPIUM, L. 
Herbs, some of which have more or less woody stems, rarely shrubs, 
our only species purely herbaceous. Leaves alternate, rarely lobed or 
notched at margin, Flowers in slender one-sided clusters which coil 
nearly to the extent of forming a ring. Corolla small, funnel-form or 
salver-form, the 5 lobes rounded, calyx with 5 lance-shaped lobes. Ovary, 
although of 2 cells, each containing 2 seeds, is not deeply lobed as is the 
case with other genera of this family. 
