1849.] Bigelow on the Medical Botany of Ohio. 9 



Sp. 24. V. Pubescens. Ait. 

 Com. name — Downy Yellow Violet; plant 6' — 10' high. — 

 Flowers deep yellow. — June. July. 



Sp. 25. V. Tricolor. Linn. 

 Com. name — Field Pansy; Heart's Ease; from gardens. — 

 May, July. 



These plants are all very common and well known. 



Order VIII.— CISTACEiE. (Rock Rose Family.) 

 Sp. 26. Helianthemum canat:ense. Michx. 

 Com. name — Frost weed, Frost plant. Crystals of ice shoot 

 from the bark at the root. — June, Aug. 



Sp. 27. Helianthemum corymbosum. Michx. 



Com. name — Rock Rose. — June, August. 



Tonic, astringent, deobstruent, alterative, &c. 



In the Appendix of the last edition of Wood & Bache, will 

 be lound an account of these plants. 



Dr. Ives, Dr. Parrish and Dr. Tyler have used them 

 with success in scrofula, scrofulous sore eyes, diarrhoea and 

 secondary syphilis. Dr. Brocket, ( West . Lancet, Vol. III. p. 432,) 

 has used them in eczema, &c. 



Order IX.— MALVACEAE. (Mallow Family.) 

 Sp. 28. Napjea dioica. Linn. Syn. Sidadioica. Cav. 

 Com. name — Glade Mallow. Root leaves 1° — 2° broad. — 

 July. 



Sp. 29. Malva bylvestris. Linn. 

 Com. name — High Mallow. Partially naturalized. — May. 

 August. 



Sp. 30. Hibiscus moscheutos. Linn. 

 Com. name — Swamp Rose Mallow. Plant stout, 5° high, 

 corolla 5' in diameter. 



Sp. 31. H. SyRiAcus. Linn. 

 f& Com. name — Shruby Althaea; common in gardens; a small 

 tree. — July, August. 



Order X.— TILIACE^. (Linden Family.) 



Sp. 32. Tilia Americana. Linn. 



Com. names — Bass wood, White wood, Lime tree. Flowers 

 cream color; fragrant; large tree. 



