XX PROCEEDINGS OF THE 



after several trials, was found to be remarkably free from micro- 

 scopic organisms. A little starwort {Callitriche verna), growing 

 in profu.sion and flowering freely, attracted much attention, being 

 seldom found in flower in the ponds in the neighbourhood of 

 Watford. 



In addition to the plants already mentioned, tlie following were 

 observed in flower in the course of the walk : — * 



Thalictrum Jlavum (meadow rue). — Bushey Mill. 

 Ranunculus Flammula (lesser spearwort).— Bricket "Wood. 

 Lychnis Flos-cuculi (ragged Eobin). — Otterspool. 

 Orobtts ttcberosus (bitter vetch).— Brieket Wood. 

 Fotentilla Tormentilla (tormentil) . — do. 

 Sanicula europaa (wood sanicle). — do. 

 Viburnum Opulus (guelder-rose). — do. 

 Solanum Dulcamara (bittersweet). — do. 

 Veronica officinalis (common speedwell). — do. 

 Pedicularis sylvatica (lousewort). — do. 

 Rhinanthus Crista-galli (yellow rattle).— do. 

 Melampyrum pratense (cow- wheat). — do. 

 Stachys sylvatica (hedge woundwort). — do. 

 Myosotis palustris (forget-jne-not). — Otterspool . 

 Symphytum officinale (comfi-ey). — Mundeu Park. 

 Lysimachia nemorum (wood loosesti'ife). — Bricket Wood. 

 Orchis macula ta (spotted orchis). — do. 

 Habenaria bifolia (butterfly orchis). — do. 

 Listera ovata (tway-blade orchis). — do. 



Ordinaey Meeting, 10th June, 1875. 

 Alfred T. Brett, Esq., M.D., Vice-President, in the Chair. 

 Miss Laura Healey, Lady's Close, Watford ; Mr. Arthur Henry 

 Holland, Munden House, Aldcnham ; Mr. W. E,. Masaroon, Bel- 

 mont House, Watford ; Mr. Matthew Moggridge, F.G.S., M.A.I. , 

 Scientific Club, Savile Row, London ; Mr. E. H. Norris, Belmont 

 House, Watford ; and Miss Clara E. Serle, Woodliall, Pinner, were 

 elected Members of tlie Society. 



The following communications were read : — 



1. Reports of the Rainfall for the first quarter of the year: — 

 (1) at Watford House, by Dr. Brett; (2) at Harwood's Farm, 

 Cassiobury, by Mr. S-\vanston ; and (3) at Nash Mills, Hemid 

 Hempstead, by Mr. John Evaus, F.R.S., President ( Vide p. 63). 



2. A Letter from Dr. Brett, to the Secretary, dated June 5th, 

 asking for information about a Mineral Spring said to have been 

 discovered at Watford in 1689 ( Vide p. 63). 



Mr. Henry Rogers mentioned tliiit this spring was alluded to in the ' Post 

 OtKce Directory of Ilertiordshire ' lor 1874. 



Dr. Brett stated that Mr. J. G. Smith had told him that the water from a well 

 which was dug at Hamper W\\\s some years ago was so impregnated with iron as 

 to be of no use in paper making. 



3. Extract of a Letter from Mr. R. A. Pryor, B.A., F.L.S., 

 to the Secretary, datttd Hatfield, 9tli June, 1875, giving some 

 account of his recent work in the investigation of the Botany of 

 Hertfordshire ( Vide p. 63). 



* From a list kindly furnished by Mr. E. M. Chafer. 



