JOUENAL 



OF THE 



10YAL MICROSCOPICAL SOCIETY. 



DECEMBER 1901. 

 TRANSACTIONS OF THE SOCIETY. 



IX. — Fungi found on Farm Seeds ivhen tested for Germination ; 

 with an Account of two Fungi new to Britain. 



1>y A. Lor rain Smith. 



(Read October 16th, L801.)* 



Plate XIII. 



For the last two years I have been assisting in the botanical work 

 undertaken for the members of the Royal Agricultural Society by 

 the consulting botanist, and during that time I have had a great deal 

 to do with testing the germination of grasses, clovers, and other farm 

 seeds. If the seeds are slow in germinating or unsound, they are 

 liable to be attacked by various fungi, and it has been interesting to 

 note the constantly recurring moulds. The saucers on which the 



EXPLANATION OF PLATE XHT. 



Fig. 1. — Sepedonium xj/logenum Sacc. a. branches with developing spores from a 

 culture x 500. b, mature spores X 500. 



., 2. — Fumrium commutatum, Sacc. a. sporophores with developing spores x 90. 

 b, mature spores x 500. 



„ 3. — Langloisula microspora sp. n. Fertile brauches and spores X 500. 



., 4. — Stemphyiiopsis heferospora g. et sp. n. Fertile hyphse and spor< s x 500. 



„ 5. — lihizopus umbtUntus sp. n. a, sporangiophore with columellas x 90. ^spo- 

 rangium x '250. c, rootlets X 250. d, spores X 500. 



., G. — Mucor crecius Bain, a, sporangiophore x 250. b, columella x 500, spores 

 X 500. 



., 7. — Mucor racemosus Fres. a, hyphae with chlamydospores X 250. 6, sporan- 

 gium with spores X 250. c, empty sporangium x 250. d, spores x 500. 



„ 8.— Mucor spinosus Van Tiegh. a, branching sporangiophore x L»0. b, colu- 

 mella and spores X 500. 



., 9.— Sphasronemella oxyspora Sacc. a, pyenidia x 35. 6. sporophores and spores 

 X 500. 



* The first part of th : s paper, dealing with the fungi on germinating farm seeds, 

 was read before the meeting of the British Mycological Society at Exeter on 

 September 25th, 1901. 



Dec. 18th, 1901 2 t 



