67 



mm \J 



* ZIGADENUS glaucus. 



Glaucous Zigadeiius. 



HEXANDRTA TRIGYNIA, 



. Nat. ord. Melanthace^. 



ZIGADENUS, Michx. Perianthii foUola biglandulosa, sessilia. Flares 

 hermaphrodlti. Filamenta libera. Antherce subuniloculares. 



L 



Z. glaucus; bulbo tunicato, foHis caule brevioribus linearibus vix acutls, racemo 

 subsimpHci, bracteis lanceolatis pedicellis brevioribus, perianthii foliolis 

 ovalibus obovatisve obtusis glandula obcordata instructis. A. Gray 

 Melanth. Am. sept, revis. in ann. Lye. hist, nat. Novebor. 4. 1 13. 



Zigadenus chloranthus. Richardson in Frankl.jourii. ed.2.p. 12. 



Z. glaucus. Nutt, injourn. acad. Philad. 1 . 56. 



Z. commutatus. Rom. ^ Sch. syst. 7. 1559. 



Melanthium glaucum. Nutt. gen. 1, 232. 



Leimanthium ? fflaucum. Riim. &- Sch. L c. 1551. 



r 



The preceding synonymesof this plant are extracted from 

 a valuable paper on N. American Melanthaceae, by Dr. Asa 

 Gray. 



It appears that the species extends from Canada and 

 Kotzebue's Sound as far as Arkansa and Oregon. Dr. Gray 

 saw specimens collected on the high plains near the rivers 

 Platte and Multnomah ; I possess others gathered near 

 Lake Superior by Dr. Torrey, and on the north-west coast 

 of North America by Douglas, who supposed the species tp be 

 the Z. elegans of Pursh. It is reported to inhabit the sandy 

 banks of rivers and lakes. 



y 



For the opportunity of obtaining a figure of it, I am 

 indebted to Messrs. Chandler and Sons of Vauxhall, who 

 exhibited it at one of the meetings of the Horticultural 



* From Ztvyvvu I join, and a?qv a gland, in allusion to the double glands 

 on the perianth. 



