BICKNELL: FERNS AND FLOWERING PLANTS OF NANTUCKET 381 
*SINAPIS ALBA L, 
Collected by Miss Gardner in waste ground at Prospect Hill in 
flower and fruit, July 16, 1916. 
*BRASSICA OLERACEA L. 
A few plants by weedy street sides at two places, I910, IQII. 
*BARBAREA BARBAREA (L.) MacM. 
Barbarea vulgaris R. Br. 
A group of plants on Sea Street in flower and fruit, June 16, 
1910; border of Trot’s Swamp, June 22, I9I10. 
*CAMELINA SATIVA (L.) Crantz. 
Collected by Miss Gardner in flower and fruit at Prospect 
Hill, July 16, 1916. 
*RADICULA SYLVESTRIS (L.) Druce. 
Polpis roadside, July 19, 1909; rubbish dump west of the town, 
August 21, 1913, in full flower at both dates, collected by Miss 
Grace Brown Gardner. 
*NESLIA PANICULATA (L.) Desv. 
Waste yard, North Water Street, July 27, 1911, one plant 
bearing a long fruiting raceme and a few terminal flowers. 
*ARABIDOPSIS THALIANA (L.) Britton. 
Sisymbrium Thalianum J. Gay. 
- Yard on West Silver Street, May 31, 1912, in flower and fruit; 
collected by Miss Grace Brown Gardner. 
*KONIGA MARITIMA (L.) R. Br. 
Alyssum maritimum Lam. 
Old wharf, 1894, Mrs. M. P. Robinson; an escape, 1895, Mrs. 
Nellie F. Flynn (fide F. G. Floyd). 
*HESPERIS MATRONALIs L. 
An occasional roadside weed in the town; waste place towards 
Monomoy, in full flower June 3, I9II. 
*SEDUM TELEPHIOIDES Michx. 
No introduced native plant that has been found on Nantucket 
affords greater cause for surprise from its occurrence there than 
this species. It was collected by Miss Gardner in a waste yard 
in the town. The specimen sent me bears date September, 1914, 
