Borage Family 329 



carpels, these commonly 2-lobed appearing as 4 1-ovuled 

 carpels ; style simple, entire or 2-cleft. Fruit mostly of 

 4 1-seeded nutlets. 



Ovary not lobed; glabrous perennial. 1. HELIOTROPIUM. 



Ovary 4-lobed; hispid or pubescent annuals. 

 Flowers white. 



Nutlets divergent, wing-margined and bristly, at least at apex. 



2. PKCTOCARYA. 

 Nutlets erect. 



Nutlets inserted at the base; scar rounded. 3. ALLOCARYA. 

 Nutlets laterally inserted. 



Scar rounded. 6. PLAGIOBOTHRYS, 



Scar linear, often bifurcate at base. 



Calyx circumscissile near the middle. 5. PIPTOCALYX. 

 Calyx not circumscissile. 



Roots imparting a purple stain; spikes leafy bracted. 



4. EREMOCARYA. 

 Roots not imparting a stain; spikes naked. 



7. CRYPTANTHE. 

 Flowers yellow. 8. AMSINCKIA. 



1. HELIOTBOPIUM L. HELIOTROPE. 



Herbs or shrubs with alternate mostly entire petioled 

 leaves, and small blue or white flowers in scorpioid 

 spikes or scattered. Calyx-lobes lanceolate or linear. 

 Corolla salver-shaped or funnelform, naked in the throat. 

 Stamens included ; filaments short or none. Style ter- 

 minal, short or slender ; stigma conic or angular. Fruit 

 2 4-lobed, separating into 4 1-seeded nutlets or into 2 

 2-seeded carpels. 



1. H. Curvassavicum L. Annual, fleshy, glabrous through- 

 out, more or less glaucous, branched, diffuse, the branches 15-45 

 cm. long; leaves oblanceolate or sometimes linear, 2.5-5 cm. 

 long, obtuse at the apex, narrowed into petioles or the upper ses- 

 sile ; scorpioid spikes densely flowered, bractless, mostly in pairs ; 

 flowers about 4 mm. broad; calyx-segments lanceolate, acute; 

 corolla white or rarely lavender ; stigma annular. 



Common in low saline places. 



2. PECTOCARYA D. C. 



Low slender annuals with strigose-hirsute pubescence, 

 small narrow leaves, and small white flow r ers scattered 



