ORCHIDA0E.E. 223 



was introduced into the Botanic Garden in 1847, and 

 escaped in 1848 into the Vicar's Brook and the river. Hin- 

 ton Brook.— 4. By the Ouse, near Swavesey. Has come from 

 the Ouse down the Old river by Aldreth Bridge. Pits at 

 Impington. — 6. and 7. In the Bedford rivers. — 8. In the 

 Nene at and below Peterborough. 



See an interesting account of the introduction and spread 

 of this plant, by Mr W. Marshall, in the Phytologist, iv. 

 705 — 715, which is also published separately by Pamplin, 

 under the title of The New Water Weed. 



OEGHIDAGEJE. 

 Orchis Linn. 



1. 0. Mdrio Linn. Green-ioinged Orchis. 



0. Morio fiemina, R. C. IOC. M. M. 101. 0. Morio, 

 M. PI. 20. Belh. 358. 



Pastures. P. May, June. 



1. Devil's Ditch. Linton. Shelford. Fulbourn. Furze- 

 hills, Hildersham; W. H. C. West Wratting. Weston 

 Colville. Dullingham.— 2. Odsey; A. M. B. — 3. Coton. 

 Gamlingay. Croydon. Hard wick. Comberton; Toft; 

 Bourn Park ; Orwell ; N". — 4. Madingley. Moor Barns. 

 King's Hedges. Chesterton and Girton; J. M. — 5. Closes 

 at Horningsey.— 6. Ely ; W. M.— 8. Wisbech ; J. B. 



2. 0. m^scula Linn. 



0. Morio mas foliis maculatis, B. C. 106. M. M. 101. 

 O. mascida, M. PI. 20. Belh. 359. 



Woods and pastures. P. May. 



1. Stetchworth. Devil's Ditch. Tenhall Wood, and 

 Hall Wood, West Wratting. Westley Wood. Hildersham; 

 J. M — 3. Hardwick. Whitwell, near Coton. Eversden, 



