192 THE Jorn^'AL of botany 



Hypericum hirsutum L. 1. Alburgh ; 3. Hetliel. 



Geranium pratense L. 1. Svvanton Abbott. 



Med ica g o fed cata L. 2, Ilinglaiid, Swanniiigton ; 4. Nortliwolcl, 

 Weetlng. M. arahica Hiuls. 1. Surlingham. Melilotns officinalis 

 Desv. 4. Cranwich. Trifolium. ochroleucon Huds. 1. Alburgh; 

 '3. East Carleton, Flordoii, Hethel. T. (jlomeratum L. 2. Hellesdon. 



llosa tomentosa Sm. 3. Fowlmerc, Hethel, 



Tillaa mitscosa Ji. 2. Litchani. Seclumrejlexumlj.x. albescens 

 (all the Norfolk plants belong to this variety). 2. Costesse}', Spar- 

 ham. aS^. Tupestre L. 1. Cottishall, Southrepps. 



Peucedanum palustreM.o^\\i:\\. 1. Horsey, Potter He igham. 



Valerianella dentata Poll., v. mixta (Dufr.). 4. Weeting. 



Matricaria suaveolens Buchenau. 1. Lndham, Potter Heigham, 

 llidlington, Strunipshaw, Surlinghara, Wortwell ; 3. Flordon. Ar- 

 temisia Absinthium L. 3. Earlham. A. campestris L. 4. North- 

 wold. Centaurea Ci/anus L. 2. Cressenhall. Ilieracium saban- 

 duni L., V. boreale (Fr.). 1. North Walsham. II. umbellatum Jj. 



1. Swafield; 2jCostessey, Felthorpe, Whinburgh. Hypochaeris glabra 

 L. 3. Kingmere. 



Vcrbascum pulverule^itumYWX. 1. Whitlinghara ; 2. Bowthorpe, 

 Easton ; 3. Keswick. V. nigrum L. v. pulverulent um. 2. Bow- 

 thorpe. Linaria minor Desf. 2. Corpusty, Little Barningham ; 

 4. Cranwich. 



Mentlia rotundifolia Huds. 1. Ridlington. M. alopecuroides 

 Hull. 4. Mundford. 



Bumex maritimiis L. 1. East Huston. 



Daphne Mezereum L. 3. Hethel. 



Malaxis paludosa Sw. 1. Felraingham, August 1915. Neottia 

 Nidus-avis Rich. 3, Hethel. Goody era repens Br. 1. Westwick, 

 August 1915, several hundred plants. Habenaria viridis Br. 3. 

 Hethel. 



Scirpus paucijlorus Lightf. 1. Stalham. S. Jluitans L. 2. 

 Boston, Briston. S.Jiliformis Savi. 1. Felmingham. 



Mynchospora alba Vahl. 1. Felniinghani. Carex paradoxa 

 Willd. 1. Great Plumstead, Woodbastwick. C. syVvatica Huds. 



2. Horningtoft ; 3. East Carleton. 



^etaria glanca Beauv. 1. East Huston. Calamagrostis epigeios 

 Eoth. 2. Horningtoft. C. canescens Druce. 1. Woodbastwick ; 

 4. Ickburgh, Weeting. Avena fatua li. 1. East Huston. Melica 

 nutans L. 3. llockland All Saints. 



Botrychiiim Lunaria Sw. 2. Ringland. 



Of the fifteen casuals, thirteen were found in the summer of 

 1915 in an area of about 1500 square yards in the heart of the city 

 of Norwich in Division 1. Dust from English and Californian 

 barleys was thrown here at the end of 1914-15 malting season, while 

 in previous years it had been the repository for dust from Russian, 

 Austrian, and Tunisian barleys. The species found on this site were 

 Neslia paniculata Desv., Bapistrum rugosum All., Trigonella 

 Foenum-gr cecum , L., Astragalus ramosus, Vicia monanthos Desv., 

 Caucalis latifolia L., Anthemis mixta L., Anacyrlus valentinus 

 DC, Chrysanthemum coronarium L., Phleuvi Michelii All., Ilor- 



