( ft? ) 



improved the growth more witli aspartic aeid than witli asijamginc, 

 whieh must [)i'ohal)ly be ascribed to tlie two eari)ox_vl<^roii|)s, active 

 as sources of carbon. 



Finally it nuist he mentioned that also peptone can furnish cai-hon 

 as well as nitro<i;en, but that tiie inili-ilive \abie for nitroiicii is 

 increased here by adding glycose. 



In accordance with the i-esults of Kt.ki^s, it was found llial a high 

 luitritive value of the liquid had iidluence on llie formation of 

 Sclerotia with alanine, leucine, aspartic acid and glycose. These 

 Ixxlies appeare<l under the mentioned favourable conchlions al Ihc 

 surface of the liquid in al>oul three weeks' time. 



W. HINTS AMOrT THF, PRKVKNTION 0l>' THE S(T,EK0T1M A-1)ISKASK 

 ("rot") in TOUACCOFIELDS. 



As a dani]) soil and a danq) atmosphci'e are botii absolutely 

 necessary for the development of the "rot" ov Sclei'0ti7iia-disG(Xse and 

 as this disease in wet yeai-s appears about the time when the tobacco- 

 leaves begin to l)e gathered, it is al)solutely necessary, for the reasons 

 given above, to stop the culti^'ation of scarlet-runners {Phasrohis 

 coechu'V.s, also named Phas. iindtifiorus) on the laljaccofields aiul 

 only to admit ajid to contimie the cultivation of French beans 

 {Phaseolus rul</(U'is Savi). 



Besides limp leaves or stems or such as are covered with the 

 least quantity of a white down must inuiiediately be remove<l and 

 burned. 



The leaves that have been carried into the drying-sheds must at 

 once be laid asunder and hung u|) to be dried. Sus[>ecled leaves 

 must be sorted out and destroyed. 



DIAGNOSIS LATIXA. 



S c 1 e r o I i 11 i a N i c o I i a n a e ( )/i(/. et iKonnHj. — Sclerof/'t's ad super- 

 ficiem caulium et foliorum primo in compagine densissimo liloruiu 

 mycelii niveorum absconditis, celeriter mole augentibus, mox itaque 

 exp(>sitis, tandenupie a substratu decideiitibus, extus nigris, intus albis, 

 nunc subglobosis, tunc ileruni oblongis, 10 maxime mill, longis, 5 — ü 

 mill, maxime crassis, teretibus vel subangulosis. — Ascoinatilnis plu- 

 rimis (usque ad 20) ab uno eodumcpie sclerotic protrusis, longe sti- 

 pitatis, tenerrimis; stipite filiformi, tcreti, tlexuoso, 4 — 6 centim. longo, 

 Ya niill. crasso, deorsum scabro, sursum laevi, sunimo obesiore, sic 

 ut ascoma satis longe apo])hysa1um videatur, una cum ascomatc 



