Dreyfus U.S. Treasury Reserves

Fund Summary - Dreyfus U.S. Treasury Reserves

Investment Objective

The fund seeks a high level of current income consistent with stability of principal.

Fees and Expenses

This table describes the fees and expenses that you may pay if you buy and hold shares of the fund.

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)

Annual Fund Operating Expenses Dreyfus U.S. Treasury Reserves		Class R	Investor Shares
Management fees		0.50%	0.50%
Distribution (12b-1) fees		none	0.20%
Other expenses		0.01%	0.01%
Total annual fund operating expenses		0.51%	0.71%
Fee waiver and/or expense reimbursement	[1]	(0.01%)	(0.01%)
Total annual fund operating expenses (after fee waiver and/or expense reimbursement)		0.50%	0.70%

Example

The Example is intended to help you compare the cost of investing in the fund with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the fund for the time periods indicated and then redeem all of your shares at the end of those periods. The Example also assumes that your investment has a 5% return each year and that the fund's operating expenses remain the same. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

Expense Example Dreyfus U.S. Treasury Reserves (USD $)	1 Year	3 Years	5 Years	10 Years
Class R	51	160	280	628
Investor Shares	72	224	390	871

Principal Investment Strategy

As a money market fund, the fund is subject to the maturity, quality, liquidity and diversification requirements of Rule 2a-7 under the Investment Company Act of 1940, as amended, which are designed to help money market funds maintain a stable share price of $1.00. To pursue its goal, the fund normally invests exclusively in direct obligations of the U.S. Treasury and in repurchase agreements secured by these obligations.

Principal Risks

An investment in the fund is not a bank deposit. It is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. Although the fund seeks to preserve the value of your investment at $1.00 per share, it is possible to lose money by investing in the fund.

The fund's yield will fluctuate as the short-term securities in its portfolio mature and the proceeds are reinvested in securities with different interest rates. Additionally, while the fund has maintained a constant share price since inception, and will continue to try to do so, neither The Dreyfus Corporation nor its affiliates are required to make a capital infusion, enter into a capital support agreement or take other actions to prevent the fund's share price from falling below $1.00. The following are the principal risks that could reduce the fund's income level and/or share price:

·Interest rate risk. This risk refers to the decline in the prices of fixed-income securities that may accompany a rise in the overall level of interest rates. A sharp and unexpected rise in interest rates could cause a money market fund's share price to drop below a dollar. A low interest rate environment may prevent the fund from providing a positive yield or paying fund expenses out of fund assets and could impair the fund's ability to maintain a stable net asset value.

·Liquidity risk. When there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities in a timely manner at or near their perceived value. In such a market, the value of such securities may fall dramatically, potentially impairing the fund's ability to maintain a stable net asset value, even during periods of declining interest rates. Also, during such periods, redemptions by a few large investors in the fund may impair the fund's ability to maintain a stable net asset value and remaining fund shareholders.

·Regulatory risk. The Securities and Exchange Commission has adopted amendments to the rules governing money market funds that may change the way that the fund, and similar money market funds, operate. Under the amended rules, as of October 14, 2016, the share price of money market funds that will be designated as "institutional prime" or "institutional municipal" type money funds would fluctuate and, as a result, shares of those funds when sold may be worth more or less than their original purchase price. In addition, as of October 14, 2016, all prime and all municipal money market funds become subject to a regime of liquidity fees imposed upon the sale of their shares or the temporary suspension of redemptions, in each case triggered (and subject to board determination) by the percentage of a fund's Weekly Liquid Assets falling below certain minimums as defined in amended Rule 2a-7. The amendments impose additional regulatory and reporting requirements on all money market funds, which generally are expected to be implemented by the funds by April 14, 2016. As a result of the amendments, additional expenses may be incurred by the fund.

·U.S. Treasury securities risk. A security backed by the U.S. Treasury or the full faith and credit of the United States is guaranteed only as to the timely payment of interest and principal when held to maturity, but the market prices for such securities are not guaranteed and will fluctuate. Because U.S. Treasury securities trade actively outside the United States, their prices may rise and fall as changes in global economic conditions affect the demand for these securities.

·Repurchase agreement counterparty risk. The risk that a counterparty in a repurchase agreement could fail to honor the terms of its agreement.

Performance

The following bar chart and table provide some indication of the risks of investing in the fund. The bar chart shows changes in the performance of the fund's Class R shares from year to year. The table shows the average annual total returns of the fund's Class R and Investor shares over time. The fund's past performance (before and after taxes) is not necessarily an indication of how the fund will perform in the future. More recent performance information may be available at www.dreyfus.com.

Year-by-Year Total Returns as of 12/31 each year (%) Class R Shares

Best Quarter
Q4, 2006: 1.19%
Worst Quarter
Q3, 2014: 0.00%

Average Annual Total Returns as of 12/31/14

Average Annual Returns Dreyfus U.S. Treasury Reserves	Average Annual Returns, 1 Year	Average Annual Returns, 5 Years	Average Annual Returns, 10 Years
Class R	none	none	1.25%
Investor Shares	none	none	1.17%

For the fund's current yield, call toll free 1-800-DREYFUS (inside the U.S. only).

[1] The fund's investment adviser, The Dreyfus Corporation, has agreed to pay all of the fund's expenses, except management fees, Rule 12b-1 fees and certain other expenses, including the fees and expenses of the non-interested board members and their counsel. The Dreyfus Corporation has agreed to reduce its fees in an amount equal to the fund's allocable portion of the fees and expenses of the non-interested board members and their counsel (in the amount of .01% for the past fiscal year).