VASCULAR PLANTS OF OHIO 169 



713. Norta irio (L.) Britt. Loiigleaf Hedge-mnstard. Portage 



County. Introduced. 

 71-1. Conringia orientalis (L.) Dum. Hare's-ear Mustard. Lake, 



Cuyahoga, Geauga. From Europe. 



715. Hesperis matronalis L. Dame's Rocket. Hamilton, Franklin, 



Portage. From Europe. 



716. Arabidopsis thaliana (L.) Li^tt. Mouse-ear Cress. Clinton, 



Montgomery, Lucas, Asthtabula. From Europe. 



717. Barbarea barbarea (L.) MacM. Yellow Winter-ci-ess. General. 



From Europe. 



718. Barbarea stricta Andrz. Erect Winter-cress. Erie County. 



From Europe. 



719. Barbarea verna (Mill.) Aschers. Early Winter-cress. Belmont, 



Portage, Harrison, Preble. From Europe. 



720. lodanthus pinnatifidus (Mx.) Steud. Purple Rocket. Rather 



general. 



721. Arabis dentata T. & G. Toothed Rock-cress. Rather general. 



722. Arabis j^atens Sull. Spreading Rock-cress. Franklin County. 



723. Arabis hirsuta (L.) Scop. Hairy Rock-cress. Rather general. 



724. Arabis glabra (L.) Bernh. Tower Mustard. Hamilton, Frank- 



lin, Auglaize, Lucas, Richland, Cuyahoga, Geauga, Belmont. 



725. Arabis laevigata (Muhl.) Poir. Smooth Rock-cress. General. 



726. Arabis canadensis L. Sickle-pod Rock-grass. General. 



727. Arabis virginica (L.) Trel. Virginia Rock-cress. Clermont. 



Lawrence, Clark. 



728. Arabis lyrata L. Lyre-leaf Rock-cress. Pike, Muskingum, Aug- 



laize. Wood, Erie. 



729. Arabis (Iruimnondii Gr. Drummond's Rock-cress. No specimens. 



730. Arabis bracliycarpa (T. & G.) Britt. Purple Rock-cress. Erie, 



Ottawa. 



731. Cardamine douglassii (Torr.) Britt. Purpk' Bitter-cress. Gen- 



eral and abundant. 



732. Cardamine bulbosa (Schreb.) B. S. P. Bulbous Bitter-cress. 



General. 



733. Cardamine rotundifolia Mx. Roundleaf Bitter-cress. Belmont, 



Noble. 



734. Cardamine ])ratensis L. Meadow Bitter-cress. Portage County. 



735. Cardamine liii-suta L. Hairv Bitter-cress. Lake Count v. 



