The Manual of the Botany of the Northern United States / Including the District East of the Mississippi and North of North Carolina and Tennessee

by Asa Gray

7. Muscari. Flowers deep blue, small. Stamens included.

[*][*] Stem or scape not from a bulb, several-flowered; capsule many-seeded.

8. Hemerocallis. Scape from a fleshy-fibrous root. Flowers few, large, yellow, tubular-funnel-form; limb 6-parted. Stamens and long style declined. Seeds globose.

9. Yucca. Stem woody, leafy. Flowers white, campanulate, 6-parted. Stigmas sessile. Seeds flat.

[*][*][*] Leafy stems (scape in n. 10) from running rootstocks; fruit a berry; leaves cordate to lanceolate (except n. 12); flowers white; pedicels jointed.

[+] Perianth gamophyllous, 6-lobed.

10. Convallaria. Leaves sheathing the scape. Flowers racemose; perianth bell-shaped.

11. Polygonatum. Stem leafy. Flowers axillary; perianth cylindrical.

[+][+] Perianth-segments distinct, small, spreading, persistent.

12. Asparagus. Stems branching, the apparent leaves thread-like. Flowers axillary.