BOTANICAL SURVEY— SUGAR GROVE REGION 317 



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



Arabis hirsuta (L.) Scop. Hairy Rock-cress. 



Arabis laevigata (Miihl.) Torr. Smooth Rock-cress. 



Arabis canadensis L. Sickle Pod. Fide Bigelow. 



Arabis glabra (L.) Bernh. Tower 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. Round-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 Run 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. 



GerniiiaJes. 

 Geraniaceae, Geranium Family. 

 Geranium maculatum L. Wild Geranium. 

 Geranium carolinianum L. Carolina Crane's-bill. Fiile Bigelow. 



Oxalidaceae, Wood -sorrel Family. 

 Oxalis eorniculata L. No specimen. 

 Oxalis cymosa Small. 

 Oxalis grandis Small. 

 Oxalis violacea L. No specimen. 



Limnanthaceae, False-^NIermaid Family. 

 Floerkia proserpinacoides Willd. False-Mermaid. Fiile Bigelow. 



Linaceae, Flax Family. 

 Linum virginianum L. Yellow Flax. 



Balsamiaceae, .lewelweed Family. 

 Impatiens biflora Walt. Spotted Jewelweed. No specimen. 

 Impatiens pallida Nutt. (I. aurea). Yellow Jewelweed. No specimen. 



Rutaceae, Rue Family. 

 Xanthoxylum americanum Mill. Prickly Ash. Fide Bigelow. 



Simarubaceae, Ailanthus Family. 

 Ailanthus glandulosa Desf. Tree-of-Heaven. No specimen. 



Polygalaceae, ^lilkwort Family. 

 Polygala vertieillata L. Whorled Milkwort. 

 Polygala ambigua Nutt. Loose-spike Milkwort. 

 Polygala viridescens L. Purple Milkwort. 



