5 



LILIACEAE. 



VOL. I. 



9. Allium mutabile Michx. Wild Onion. 

 Fig. 1250. 



Allium mutabile Michx. Fl. Bor. Am. i : 195. 1803. 



Bulbs ovoid, solitary or several together, i' high 

 or less, their coats prominently fibrous-reticulated. 

 Scape terete, i-2 tall; leaves basal, channeled, 

 i"-2" wide, shorter than the scape; bracts of the 

 umbel 2 or 3, long-acuminate; umbel erect, many- 

 flowered, rarely bulblet-bearing ; pedicels filiform, 

 8"-i2" long; flowers pink, rose or white, 2i"-4" 

 long; perianth-segments lanceolate or ovate-lanceo- 

 late, acute, acuminate, or obtusish, thin, longer than 

 the stamens; filaments somewhat widened below; 

 capsule rather shorter than the perianth, its valves 

 not crested. 



In moist soil, North Carolina to Missouri, Nebraska, 

 south to Florida and Texas. April-June. 



10. Allium Nuttallii S. Wats. Nuttall's Wild 

 Onion. Fig. 1251. 



Allium Nuttallii S. Wats. Proc. Am. Acad. 14: 227. 1879. 

 Allium Helleri Small, Fl. SE. U. S. 264. 1903. 



Bulbs usually solitary, ovoid, i'-i' high, their coats 

 fibrous-reticulated. Culm slender, terete or nearly so, 

 4'-8' tall ; leaves basal, \"-\" wide, shorter than the 

 scape or sometimes equalling it ; bracts of the umbel 

 3 or 2, ovate or ovate-lanceolate, acute or acuminate ; 

 umbel several-flowered ; no bulblets seen ; pedicels 

 slender, 4"-6" long; flowers rose or white, about 3" 

 long; perianth-segments ovate, acute or acuminate, 

 firm, becoming rigid in fruit ; stamens shorter than the 

 perianth; capsule shorter than the perianth, its valves 

 not crested. 



On prairies. South Dakota to Colorado, Texas and Ari- 

 zona. April-June. 



ii. Allium reticulatum Don. Fraser's Wild 

 Onion. Fig. 1252. 



Allium reticulatum Nutt. Fraser's Cat. Name only. 1813. 



Allium reticulatum Don, Mem. Wern. Soc. 6: 36. 

 1826-31. 



Similar to the preceding species, the bulb rather 

 larger, its coats prominently fibrous-reticulated. 

 Scape 3'-io' tall, slender; leaves usually less than 

 i" wide; bracts of the several-flowered umbel 

 mostly 2, acuminate ; pedicels slender, 3"-6" long ; 

 flowers white or pink, 2$"-3" long; perianth-seg- 

 ments longer than the stamens, thin ; capsule shorter 

 than the perianth, each of its valves bearing 2 short 

 crests just below the summit. 



Saskatchewan to South Dakota, Montana, New Mexico 

 and Arizona. May-July. 



