328 herbaceous plants. 



or naturalized iu gravelly soil. 0. tinctoria is an annual a 

 couple of feet high, branched and spreading, leaves bipinnat- 

 ifid ; heads numerous, ray-florets deep crimson on the lower 

 half, the rest yellow. C. Drummondii, resembling the last, 

 ray-florets yellow with a dark spot at the base. C. lanceolafa 

 is a perennial ; leaves lanceolate, flowers pure yellow ; very 

 desirable. Flowers all summer. 



Sunflower, IMiantJius. — All the species are very large 

 and coarse but sbowy plants. The common annual species 

 hardly deserves culture except for economic use. The most 

 desirable are H. decapetalus, a tall plant common on sunny 

 shores of rivers; heads three inches across, showy, bright 

 yellow. H. angustifoliiis, leaves linear, a medium-sized or 

 small species about three or four feet high ; ray -florets bright 

 yellow, disk purple. 77. Maximilian us, leaves long, linear- 

 lanceolate ; stems six feet, more or less ; flower-heads very 

 numerous golden, yellow. A most desirable species. All 

 are perennial. On the margins of water ; in borders or 

 shrubberies. 



Oxeye, Heliopds lavis. — A kind of sunflower on a 

 smaller scale, leaves ovate; flower-heads terminal on numer- 

 ous lateral branches; H. Pitcherianus, a recently introduced 

 kind, is of a very spreading and branching habit, about 

 three feet high, with numerous heads of golden-yellow flow- 

 ers late in summer. A beautiful and very floriferous kind. 

 Fine in borders ; ordinary soil. 



Cone-flower, Rudbeckia. — A genus of very attractive 

 perennial plants flowering all summer. 11. speciosa has 

 coarsely toothed, lanceolate leaves and terminal heads of 

 yellow flowers ; disk conical ; habit branching, height less 



