One delivery service offers gluten-free marijuana brownies. Another promises a free marijuana-laced lollipop with each order. A third touts trained “caregivers” and delivery until 4 a.m.

These marijuana delivery services — the objects of an unsuccessful crackdown by Massachusetts health officials two years ago — were expected to fade away once the first state-sanctioned medical marijuana dispensaries opened last year. Instead, they have proliferated.

More than two dozen of these Internet-based services are now openly advertising long menus of marijuana strains and edibles, plus prices and user reviews, the Globe found.

The cat-and-mouse dance between the services and regulators intensified last week when the popular website Leafly, which features marijuana news and product reviews, abruptly removed online listings for more than 20 Massachusetts delivery services after patient advocates and the Boston Globe questioned their legality. [Read more at The Boston Globe]