306 HYDROPHYLLACEAE. 



Nemophila insignis Dougl., Blue Nemophila, Californian, grown in 

 flower-gardens, is a low, pubescent annual, 6'-l° high, branched from the base, 

 with pinnately parted flaccid leaves and blue flowers about f ' broad, the seeds 

 tubercled. 



Nemophila maculata Benth., White Nemophila, also Californian, re- 

 corded by Jones, is similar to the preceding but with white corolla, about the 

 same size, blotched and violet at the tips of the lobes, its seeds smooth or 

 nearlv so. 



Family 5. BORAGINACEAE Lindl. 



Borage Family. 



Herbs or shrubs. Leaves alternate, rarelj^ opposite or vertieillate, estipu- 

 late, mostly entire and hispid or setose. Flowers perfect, usually regular, 

 mostly blue, in one-sided scorpioid spikes, racemes, cymes, or sometimes 

 scattered. Calyx inferior, mostly 5-lobed, 5-eleft, or 5-parted, usually per- 

 sistent. Corolla gamopetalous, mostly regular and 5-lobed, rarely irregular. 

 Stamens as many as the corolla-lobes and alternate wdth them, inserted on 

 the tube or throat ; anthers 2-cened, the sacs longitudinally dehiscent. Disk 

 commonly inconspicuous. Ovary superior, of 2 2-ovuled carpels, entire, or 

 the carpels commonly deeply 2-lobed, making it appear as of 4 1-ovuled 

 carpels ; style simple, entire or 2-clef t ; ovules anatropous or amphitropous. 

 Fruit mostly of 4 1-seeded nutlets, or of 2 2-seeded carpels. Endosperm 

 fleshy, copious, or none; cotyledons mostly flat or plano-convex; radicle 

 short. About 85 genera and 1500 species, of wide distribution, most 

 abundant in the temperate zones, but many species tropical. 



Fruit dry, separating into nutlets ; herbs. 1. Heliotropium. 



Fruit fleshy, drupaceous ; silky maritime shrub. 2. Mallotonia. 



1. HELIOTE.OPIUM [Tourn.] L. 



Herbs or shrubs, with alternate mostly entire leaves, and small blue or 

 white flowers, in scorpioid spikes, or scattered. Calyx-lobes or -segments lance- 

 olate or linear. Corolla salverform or funnelform, naked in the throat, its 

 tube cylindric, its lobes imbricated, plicate or induplicate in the bud. Stamens 

 included; filaments short, or none. Stigma conic or annular. Fruit 2-4-lobed, 

 separating into 4 1-seeded nutlets, or into 2 2-seeded carpels. [Greek, sun- 

 turning, i. e., turning to or with the sun.] About 125 species, widely dis- 

 tributed, most abundant in warm-temperate and tropical regions. Type 

 species: Heliotropium eiiropaeum L. 



