The members of the genus fall naturally into three general groups:— First—The Globe Tulips, which have flexile stems, sub-globose, nodding flowers, and nodding capsules.

But chief at sea, whose every flexile wave Obeys the blast, the aerial tumult swells.

She stood no more than a pace from him, a flexile figure that poised and swung, to provoke the wild beast in him to spring.