308 



subject will be treated in a future bulletin. Carnatiorts. — Septoria dinn- 

 thee and Vermicularia suhcffigurata. Mignonette. — Cercospora residcE. 

 Plum and cherry trees. — Black knot. A brief summary of information, 

 which was given in more detail in Bulletin Xo. 78 of the station (see 

 Experiment Station Record, vol. ii, p. 501). 



Fungicide and insecticide comhijied. — A brief account of successful 

 experiments by J. M. AVliite with f'liniax Insect Poison (a preparati<»ii 

 of London purple and starch) and aninioniacal carbouatr of cop])er foi- 

 the codling moth and fungous diseases of pears, apples, and grapes. 



Nematodes ass enemies to plants (pp. 3G6-370). — Nematodes wei. 

 observed in the roots of violets, oats, and roses, and upon the leaves »»r 

 chrysanthemums, colcus, lantana, and bouvardia. Sporimens of the 

 nematodes attacking the leaves of the above mentioned plants were 

 submitted to G. F. Atkinson of the Alabama College Station, who 

 r(p<trts that they aie probably of the same species,for which hepropose^ 

 the name oi Aphelmchns folUcoleus. 



Weeds of New Jersey (pp. 370-45.3). — An explanation of the scale 

 of jMiints for giading weeds according to their harmfulness, which i- 

 ]»roiios«'d by the autli<»r in iiulletin No. 52 of the station (see Exi>ei 

 mentStation Record, vol. 1. 1». 130); listsof 20 or more of the worst weeds 

 of New Jersey, in the order of their vileness, by fourteen different 

 observers in the State, with partial lists by five otlu'r jx'isons; an article 

 on the weeds of Sussex County, New Jersey, by T. Lawrence and ^^ . 

 M. Van Sickle; and a ]»reliminary classilied list of li(>5 species ni 

 weeds found in New Jeisey, with an index to their <'ommon nanie>. 

 Twenty four of the le:iding kinds of weeds of the TTnitc<l States are 

 described and ilhistrated in jilates taken from the annual report.s of this 

 I)ei>artment. The 30 worst weeds of New Jersey in the order of theii 

 vileness. as deteiinined from the rej^nts of tlie observers above referretl 

 to, are as follows: Wild carrot {Jhiurus mroM), ox-eye daisy (CAry«- 

 anthemum Leucanthemum), sorrel {Jiumex acetosella), plantain {Plantago 

 mtiJor).ruv]vi\ dock {Rnmcr crispus), ragweed {Anihrosia artemisiaifidia), 

 Cjinada tliistle {Cniviis arren.sis), purslane {I'ltrtulaca t>l(r(nra),hnn\ork 

 {Arctiinti lappa), to.uWhix {Li naria rulgarisi), wihl onion {Allium rineah . 

 mayweed {Anthimus cofM^f),goosefoot {Chenopodium rt//>MWj), yellow <lai>y 

 {h'ndhrckia hirta), pigwet'd {Aniarantus chhirostachys), <|uitch grass 

 {Agropyrum repens)^ horseweed {Erigeron canadensis), beggar's ticks 

 {liidrns frondosa), water pe])p<'r {Polygonum hydritjyiper), shepherd's 

 ])Uise {('a}n«lla bursa 2)ast()ri.s), pepjter grass {Lvpidium rirginicnm), rib 

 grass (J'lantago lancrolata), milkweed {Asrhpitis syriara), damlelion 

 {Taraxacum officinale), burr grass {Ccnchrus tribuloides), corn <-ockle 

 {Lychnis githago), velvet leaf {Ahutilon a riccnn a), thistle {Cnicus lancco- 

 latus), <hickwtM'd {Stclhiria media), black nnistard {Jhassica nigra). Of 

 the L'05 s]>ccies ol" New Jersey weeds 135 are native and 130 have been 

 introduced iVom abroad: but of the L'«» worst weeds only 4 are native. 

 As to length of life, the distribution of the specie^} is as follows: 



