Now that the cool fall weather has arrived and the number of vegetables in your garden has started to dwindle, you might want to sample some "health-conscious" food at a neighborhood vegetarian restaurant.

Listed below are some restaurants that offer vegetarian entrees and side dishes. A few require advance notice for very specialized meals, so you would be wise to call before requesting anything too exotic.

AE (American Express), DC (Diners Club), CB (Carte Blanche), MC (MasterCard), V (Visa). "Free Parking" indicates restaurant has a parking lot, otherwise expect street parking or commercial lots.

Grass Roots, 277 South Washington St., Alexandria (Underground in The Atrium). 548-7770. Hours: M-F, 7 a.m. to 6 p.m., Sat. 10 a.m. to 4 p.m. Closed Sunday. Credit cards not accepted. Fresh juices, soups, natural foods. Carryout only.

Naturally Yours, 330 Maple Ave. West, Vienna. 938-4485. Hours: M-F 9:30 a.m. to 7:30 p.m., Sat. 9:30 a.m. to 4 p.m., Sun. noon to 5 p.m. Credit cards: MC, V. Free parking. Vegetarian specials daily.

Magic Pan Restaurant, 6201 Arlington Blvd., Falls Church. 536-4200. Hours: Mon.-Thurs. 11 a.m. to 10 p.m., Fri.-Sat. 11 a.m. to 11 p.m., Sun. 11:30 to 9 p.m.. Credit cards: AE, MC, V. Free parking. Variety of salads and crepes. Sunday brunch.

Puff's Restaurant, 2916 Chainbridge Rd., Oakton. 938-8977. Hours: Mon.-Sat. 11 a.m. to 2 a.m., Sun. 11 a.m. to 11 p.m. Credit cards: AE, V, MC, DC. Free parking. Large salads, omelettes and seafood.

Kazan Restaurant, 6813 Redmond Dr., McLean. 734-1960. Hours: Mon.-Thurs. 11 a.m. to 3 p.m. and 5 p.m. to 10 p.m., Sat. 5 p.m. to 11 p.m. Closed Sunday. Credit cards: AE, MC, V. Free parking. Continental and Turkish cuisine.

The Sideboard, 6655-A Old Dominion Dr., McLean. 893-4252. Hours: Mon.-Thurs. 11 a.m. to 12 a.m., Sat. 11 a.m. to 12:30 a.m., Sun. 11 a.m. to midnight. Credit cards: AE, MC, V. Free parking. Variety of salads and a vegetable of the day.

Matuba, 2915 Columbia Pike, Arlington. 521-2811. Hours: Mon., Wed.-Fri. 11:30 a.m. to 2 p.m. and 5:30 p.m. to 10 p.m., Sat. and Sun. 5 p.m. to 10 p.m. Closed Tuesday. Credit cards: AE, CB, DC, MC, V. Free parking. Japanese specialties including sushi to sashimi.

Just Friends, 8130 Arlington Blvd. (Intersection of Rt. 50 and Gallows Road), Falls Church. 560-8530. Hours: Mon.-Sat. 11:30 a.m. to 2 a.m, Sun. noon to 1 a.m. Credit cards: AE, MC, V. Free parking. Sundry salads and sandwiches.

Hard Times Cafe, 1404 King St., Alexandria. 683-5340. Hours: Mon.-Thurs. 11:30 a.m. to 10 p.m., Fri., Sat. noon to 11 p.m., Sun. 4 p.m. to 10 p.m. Credit cards: MC, V. Free parking. Many varieties of chili, sandwiches and salads.

Tiki Fala, 2500 Columbia Pike, Arlington. 920-2661. Hours: Mon.-Thurs. 11 a.m. to 10 p.m., Fri. 11 a.m. to 11 p.m., Sat. 4 p.m. to 11 p.m., Sun. 4 p.m. to 10 p.m. Credit cards: AE, MC, V. Free parking. Chinese food. Side salads available.