DESCRIPTIONS OF SOME COMMON WEEDS 215 



perfect, regular, five-parted in spikes, racemes, cymes or 

 solitary; stamens five, inserted on the corolla; style two- 

 cleft or two separate styles ; ovary one to two-celled, 

 when one-celled with two parietal placentae; fruit a two- 

 celled capsule; seeds mostly reticulated. A small order 

 of about 160 species. 



Waterleaf (Ellisia nyctelia, L.). A minutely or spar- 

 ingly roughish, pubescent, branched annual from six to 

 fourteen inches high ; leaves pinnately parted into seven 

 to twelve lanceolate, or linear-oblong, cut-toothed divi- 

 sions; peduncles one-flowered, calyx lobes lanceolate, 

 pointed ; corolla whitish ; stamens included ; capsule glo- 

 bose. In grain fields and moist places from the Central 

 States to Dakota and Northwest Territory to Kansas. 



Borage Family (Boraginaceac.) Herbs, shrubs or 

 trees, with alternate, entire, rough, or frequently scabrous 

 or setose leaves; flowers perfect, usually regular, gener- 

 ally blue, borne in one-sided spikes, racemes, cymes or 

 scattered ; calyx inferior, mostly five-lobed or five-cleft ; 

 corolla short, bell or wheel-shaped, five-cleft or five- 

 parted ; stamens as many as the lobes of the corolla and 

 alternate with them ; ovary superior, deeply two-lobed, 

 style entire; capsule globular; fruit usually forming 

 four seedlike, one-seeded nutlets, but sometimes separat- 

 ing into two, two-seeded nutlets. 



European Heliotrope (Heliotropium europaeum, L.). 

 An erect annual, branched, roughish, pubescent; leaves 

 oval ; petiole long, narrow at the base ; flowers borne in 

 one-sided bractless spikes, the terminal spikes in pairs ; 

 calyx spreading, the segments shorter than the corolla 

 tube ; anthers, distinct, obtuse. Common in waste 

 places, southward, and from New York to Pennsylvania 

 and Florida. 



Stickseed (Lappula echinata, Gilbert). An erect an- 

 nual from one to two feet high ; pale, leafy, hispid with 

 erect branches; leaves linear or linear-oblong; racemes 



