172 



270. Lepidum virgiiiiciim K Pepper Grass. 

 Common in cli-y ground. 



277. Sisymbrium officinale (L.) Scop. Hedge Mustard. 



Common in dry ground in waste places. 



278. Brassica juncea (L.) Cooson. Indian Mustard. 



A plant found along the Pennsylvania railroad. 



279. Roripa palustris (L.) Bess. Marsh Cress. (N<istiirtii(iii palustre D. C.) 



Common in flat, marshy ground. 

 28CK R. nasturtium (L.) Rusby. Water Cress. iXasfiirtlinn officinale R. Br.) 



Common, especially near springs. 

 2S1. Bursa bursa-pastoris (L.) Britton. Shepherd's Purse. {CafincUa hursa- 

 pastoris Moench.) 



Some plants seen; dry ground. 



282. Arabis laevigati (Muhl.) Poir. Smooth Rock Cress. 



On bluffs along Clear Creek. 



283. Polanisia graveolens Raf. Clammy AVeed. 



Abundant in the railroad gravel pit. 



284. Sarracenia imrpurea I>. Pitcher Plant. 



In tamarack bogs. 



285. Saxifraga pennsylvanica L. Swamp Saxifrage. 



Occasional in wet places. 



280. Heuchera hispida Pursh. Rougli Heuchera. * 



Some plants found, Cliapnian's Hill. 



287. Mitella diphylla L. Bishop's Cap. 



On a bank along Cherry ('r(>ek. 



288. Parnassia caroliniana Michx. (^i-ass of Parnassus. 



Tolerably plentiful in low, wet grounds. 



289. Ribes cynosbatti I>. AVild Gooseberry. 



Common in woods. 



290. R. oxyacanthoides L. Northern Gooseberry. 



Foiind especially in tamaracks. 



291. R. flbridum L. Her. AVild Black Currant. 



Occasional in moist, flat woods north of Eagle Lake. 



292. Hamamelis virginiana L. AVitch Hazel. 



On dry hills southeast of the lake. 



293. Platanus occidentalis L. Sycamore. 



On low ground common; a few on high ground. 



