174 OHIO BIOLOGICAL SURA^EY 



812. Chamaesvce polygonifolia (L.) Small. Knotweed Spurge. Erie, 



Cuyahoga, Lake. 



813. Chamaesyce serpens. (H. B. K.) Small. Koundleaf Spurge. Ot- 



tawa County. 



Callitrichaceae. Water-starAvort Family. 



814. Callitriche austini Eng. Terrestrial Water-starwort. Cuyahoga, 



Clermont. 



815. Callitriche palustris L. Vernal Water-starwort. Auglaize, Lo- 



rain, Trumbull. 



816. Callitriche heterophylla Pursh. Larger Water-starwort. Cuya- 

 hoe-a County. 



-"&-• 



Order. MaJvaJes. 



Malvaceae. Mallow Family. 



817. Malva sylvestris L. High ^Mallow. Cuyahoga, Auglaize. From 



Europe. 



818. Malva rotuiidifolia L. Rouudleaf Mallow. General and abun- 



dant. From Europe. 



819. Malva verticillata L. Curled Mallow. No specimens. From 



Europe. 



820. Malva alcea L. European Mallow. Escaped in Cuyahoga Coun- 



ty. From Europe. 



821. Malva moschata L. Musk Mallow. Northern part of the state, 



as far south as Muskingum County. From Europe. 



822. Callirhoe involuerata (T. & G.) Gr. Purple Poppy-mallow. A 



waif in Franklin County. 



823. Althaea officinalis L. Marsh-mallow. A waif in Scioto County. 



824. Althaea rosea L. Hollyhock. Lucas, Erie, Madison, Brown, 



Montgomery, Scioto. Escaped from cultivation. 



825. Sida spinosa L. Prickly Sida. Rather general. From the 



tropics. 



826. Sida hermaphrodita (L.) Rusby. Tall Sida. No specimens. 



827. Napaea dioica L. Glade-mallow. Defiance, Clark, Madison, 



Franklin, Fairfield, Highland. 



828. Abutilon abutilon (L.) Rusby. Velvet-leaf. General and abun- 



dant. From Asia. 



829. Hibiscus moscheutos L. Swamp Rose-mallow. Ashtabula, Cuya- 



hoga, Erie, Wayne, Licking, Perry. 



