Fungi found on Farm, Seeds. By A. Lorrain Smith. 617 



other examples have the umbellate head of branches. I have only 

 found it once on clover seed, associated with another Mucor. It is 

 entirely microscopic, and I have not succeeded in cultivating it. The 

 Mucor in which it was entangled, if indeed it was not parasitic on it, 

 I have determined to be Mucor erectus Bain. It forms delicate silky 

 white tufts 2 or 3 centimetres in length. The hyphae branch 

 frequently, and the very unequal branches terminate in a small 

 yellowish sporangium. A distinctive feature of this species is the 

 septum that is always present just above the points where the branch 

 is given off. I found it on turnip and carrot seeds, and I got a 

 further abundant growth on a mixture of gelatin and bean decoction. 

 Mucor erectus has been found in Europe on bread, plum decoction, 

 and potatoes, but this is the first record for Britain. I have not yet 

 been able to induce the growth of z3 r gospores. M. racemosus Fres. 

 (plate XIII. fig. 7) appeared on clover seeds. It is easily recognisable 

 from the chlamydospores, which are produced in great abundance on 

 the hyphae and sporangiophores. I hardly think it is new to this 

 country, but I cannot find any published record of its occurrence. 

 It grows on a great variety of substances, and is very common on the 

 Continent. 



Description of New Species. 



LangJoisula heterospora sp. n., plate XIII. fig. 3. 



Fungus consisting of entangled much-branched septate hyphae, 

 5-8 fi in width, the branches varying much in length from 12-40 /x, 

 tapering to a sharp point, colourless, bearing a single spore at the 

 tip ; spores brown, ovate, with a thick epispore, slightly pointed 

 towards the base, where there is a small clear spot, warted when 

 mature, 25-30 x 15-20 fi. 



Spreading over a grass seed in the germinating case. 



Stemjohyliopsis g. n. 



Hyphae intricately branched, colourless, septate ; spores terminal 

 on the branches, elliptical or subglobose, 2-m any-septate and muri- 

 form, colourless. 



S. heterospora sp. n., plate XIII. fig. 4. 



Growing in tufts up to 2 mm. in height, consisting of a tangled 

 mass of colourless rather delicate hyphae with numerous short branch- 

 lets; spores varying in form and size, elliptical, from 12-8/iup to 

 25 X 15 ft, or subglobose about 15 X 12 yt,, transversely septate and 

 2- or more-celled or cruciate and muriform, colourless, warted when 

 mature. 



On clover and turnip seed in the germinating case. 



