OF ARTS AND SCIENCES. 245 



longer, nearly equalling the ovary : seed smaller. — Journ. Philad. 

 Acad. 7. 58. S. racemosa, var. amplexicaulis, Watson, King's Rep. 

 5. 345. Tovaria racemosa, Baker, 1. c. in part. British Columbia to 

 California (Monterey) and east to Wyoming and New Mexico. 



* * Flowers larger, on solitary pedicels in a simple few-flowered open raceme : 



stamens included : ovules not collateral. 



-t- Leaves (7 to 12) sessile : raceme sessile or nearly so : berry blue-black. 



3. S. stellata, Desf. 1. c. Glabrous or pubescent: stem a foot 

 high or less : leaves lanceolate, acutish, sessile and closely clasping, usu- 

 ally ascending and folded : raceme about an inch long : perianth-seg- 

 ments 2 or 3 lines long, exceeding the pedicels : berry 3 lines broad : 

 seeds brown. — Convallaria stellata, Linn.; Sims, Bot. Mag. t. 1043. 

 Tovaria, Necker ; Baker, 1. c. 565. Maianthemum, Link. Asteran- 

 themum vulgare, Kunth. Labrador to E. Oregon and N. E. California, 

 south to Pennsylvania, Iowa and New Mexico: the Norway plant 

 appears to be the same. 



4. S. sessilifolia, Nutt. in herb. Rootstock slender : stem a foot 

 or two high : leaves lanceolate, acuminate, sessile, usually fiat and 

 spreading, somewhat puberulent : raceme larger, the pedicels 2 to 7 

 lines long: flowers often larger: berry 3 to 5 lines in diameter. — 

 Tovaria sessilifolia, Baker, 1. c. 566. California (Monterey) to British 

 Columbia and east to the Wahsatch ; has been usually referred to 

 S. stellata. 



t- +- Leaves (2 to 4) sheathing the low stem : raceme pedunculate : berry red. 



5. S. trifolia, Desf. 1. c. Glabrous, 2 to 6 inches high : leaves 

 oblong, narrowed below, acute : pedicels exceeding the flowers, which 

 are \\ lines long : berry 2 to 3 lines in diameter. — Convallaria trifolia, 

 Linn. ; Gmel. Fl. Sib. 1. 36, t. 6. Tovaria, Necker ; Baker, 1. c. 565. 

 Maianthemum, Raf. Asteranthemum, Kunth. Labrador to New 

 England, Michigan and the Saskatchewan ; also in E. Siberia. 



Species of Mexico, fyc. 

 * Flowers solitary, paniculate : stamens included. 



6. S. paniculata, Mart. & Gal. Leaves 7 to 9, broadly lanceo- 

 late : flowers large, on elongated pedicels in a dense compound corymb. 

 — Central Mexico and Guatemala. 



7. S. thyrsoidea (Tovaria, Baker). Leaves 10 to 15, lanceolate, 

 often nari-ow, long-acuminate : flowers smaller, on short pedicels in a 

 large open spreading panicle. — Central Mexico. 



8. S. nervulosa (Tovaria, Baker). Leaves 5 or 6 : panicle 



