PIPER FLORA OF THE STATE OF WASHINGTON. 187 



Bulbs scaly; anthers vcrsatilo. 



Nectary a linear groove; perianth not campanulate. Lilium (p. 191). 



Nectary a shallow pit; perianth campanulate Fritillaria (p. 191). 



Bulbs corm-like; anthers not versatile. 



Leaves only two, rather broad Erytiironium (p. 192 i . 



Leaves several, narrow, grass-like Lloydia (p. 193) . 



ALLIUM. Onion. 



r>iill)s t)bli)ng, cespitose, more or less rhizoniatous. 



Leaves linear 1 . ^4. sihiricum. 



Leaves flat or channelled. 



Rhizome stout; flowers erect 2. ^1. valithim. 



Rhizome scarcely developed; flowers nodding 3. .1. ccrnuiim. 



i>ullw glol)ose, loosely cespitose or solitar\^, not rhizoniatous. 



Bulb coats fibrous 4. .1. (jci/cri. 



Bulb coats not fibi'ous, usually reticulate. 

 Flowers red. 



Leaves flat, rather bioad; reticulations wanting. 



Plants tall, 20 to 40 cm. high; uml)el globose, 



dense ; scape terete ."i. A. (Jourjlasii. 



Plants low, 5 to 10 cm. liigli; scape flattened. 



Leaves 2 to 3 mm. broad; scapes smooth (>. .1. toJnnri. 



Leaves 1 to 1.5 mm. wide; scapes crenulate. . 7. .1. crcniilatuin. 

 Leaves narrow; reticulations evident. 



Reticulations polygonal, distinct; petals 10 to 14 



mm. long, seriidate . . S. .1. aruiiiinafiim. 



Reticulations obscure, transversely-oljlong or want- 

 ing; petals entire, G mm. long 9. ^4. nevii. 



Flowers white. 



Scape tall; umbel dense, globose; reticulations nai'row, 



transverse, sinuous 10. ^4. attenuifolium. 



Scape low; umbel flat. 



Reticulations none 11. ^4. niacrum. 



Reticulations narrow; very cernuous 12. .4. collbmm. 



1. Allium sibiricum L. Mant. 562. 1707. 

 Type locality: Siberia. 



Range: Alaska to New Brunswick, south to Oregon and Minnesota. 



Specimens examined: Wenache, Whifed 26; Lake Wenache, Samlherg tC" Leiberg 630; 

 White Blutr Ferry, Lake d' Hull, August 9, 1892; Fort Colville, Li/all in 1861 ; Walla Walla, 

 Tolniie. 



Zonal distribution: Arid Transition. 



2. Allium vabdum S. Wats. Bot. King. Explor. 350. 1871. 

 Type locality: Mono Pass, California. Collected by Bolander. 

 Range: Washington to California and Nevada. 



Specimens examined: Mount Rainier, Flett 275. 

 Zonal distribution: Hudsonian. 



3. Allium cernuum Roth, Roem. Archiv. I 2: 40. 1798. 

 Allium recurvatum Rydberg, Mem. N. Y. Bot. Gard. 1. 94. 1900. 

 Type locality: None given. 



Range: British Columbia to Oregon and Texas, and in the Allegheny Mountains. 

 Specimens examined: Clallam County, FAmer 2506; Olympic Mountains, Flett 822; 

 East Sound, Henderson, July 3, 1892; Bellingham Bay, Suksdorf IQ05; Fairhaven, Piper 



