BOTANICAL SURVEY— SUGAR GROVE REGION 317 



Barbarea barbarea (L.) MacM. (B. vulgaris). Winter Cress. No specimeu. 



Arabis hirsnta (L.) Scop. Hairy Eock-eress. 



Arabis laevigata (Muhl.) Torr. Smooth Eock-cress. 



Arabis canadensis L. Sickle Pod. Fide Bigelow. 



Arabis glabra (L.) Bernh. Towner Mustard. Fide Bigelow. 



Cardamine hirsuta L. Hairy Bitter-cress. 



Cardamine pennsylvanica Muhl. Pennsylvania Bitter-cress. 



Cardamine parviflora L. Small-flowered Bitter-cress. 



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



Cardamine rotundifolia Mx. Eound-leaf Bitter-cress. Fide Bigelow. Now known 



only from Belmont and Noble counties. 

 Dentaria laciniata Muhl. Cut-leaf Toothwort. 

 Dentaria diphylla Mx. Two-leaf Toothwort. At the head of Laurel Eun and in one 



or two other stations. 

 Dentaria heterophylla Nutt. Common in the deep canyons of the southern half of 



the area. Not around Sugar Grove. 

 Brassica nigra (L.) Koch. Black Mustard. 



Geraniales. 

 Geraniaceae, Geranium Family. 

 Geranium maculatum L. Wild Geranium. 

 Geranium earolinianum L. Carolina Crane's-bill. Fide Bigelow. 



Oxalidaceae, Wood-sorrel Family. 

 Oxalis eornieulata L. No specimen. 

 Oxalis cymosa Small. 

 Oxalis grandis Small. 

 Oxalis violacea L. No specimen. 



Limnanthaceae, False-!Mermaid Family. 

 Floerkia proserpinaeoides Willd. False-Mermaid. Fide Bigelow. 



Linaceae, Flax Family. 

 Linum virginianum L. Yellow Flax. 



Balsamiaceae, .Tewelweed Family. 

 Impatiens biflora Walt. Spotted .Tewelweed. No specimen. 

 Impatiens pallida Nutt. (I. aurea). l^ellow Jewelweed. No specimen. 



Rutaceae, Rue Family. 

 Xanthoxylum americanum Mill. Prickly Ash. Fide Bigelow. 



Simarubaceae, Ailanthus Family. 

 Ailanthus glandulosa Desf. Trce-of-Hoavcn. No specimen. 



Polygalaceae, Milkwort Family. 

 Polygala verticiliata L. Whoried .Milkwort. 

 Polygala ambigua Nutt. Loose-sjtike Milkwort. 

 Polygala viridescoiis L. Purple Milkwort. 



