VOL. Iv. | Dates of Botanical Works. 369 
where I gathered the latter variety7and describes it as, 4. demzs- 
sus, then Mr. Sheldon, by the aid of the Index Kewensis, gives 
Mr. Greene’s species a new name, 4. /epsoni, and my first var. 
another, A. scobinatulus. _ An examination of Mr. Greene’s 
locality of the var. Nevadenszs, are pubescent and have unequal 
calyx teeth. As it is the fashion now to name everything in 
sight, I would suggest that the var. Mevadensis is fully as dis- 
tinct as any of the other forms, and as the name is preoccupied 
(Index Kewensis) it is waiting for a brand new name and will be 
the property of the first man who gets into prin 
Sometime botanists, when they get into be field, will learn 
that pubescence and comparative length of calyx teeth are slim 
foundations on which to hang'species, in Astragalus. 
ASTRAGALUS ARTEMISIARUM. Astragalus Beckwithit var. 
purpureus Jones ‘‘Zoe”’ iii, 288. Recent studies in the field 
make it reasonably certain that this is distinct from 4. Beckwithii. - 
The chief distinguishing characters are the purple flowers, rather 
cartilaginous pods with the interior filled with a watery juice and 
stipe with a fully formed joint near the middle. 4. Beckwithit 
has ochroleucous flowers a dry and rather thin pod without 
watery juice and a joint in the stipe which is often reduced to a 
dark spot in the stipe which”does or does not break at that point 
and generally irregularly. 
THE DATES OF BOTANY BEECHEY, FLORA BOREALI- 
AMERICANA, AND TORREY & GRAY’S FLORA. 
‘“FLORA BOREALI-AMERICANA W. Hooker 
Daas or cane ig in pert oat as es ustal at that time no official 
onsequent upon this, 
donbts a: as oe the actual publication of many species therein contained have 
been rife. The following details may es to settle those questions: 
1. i Part 1, consisting of six sh p. 1-48, came is in 1829 (cf. 
Linnea, v, = ye 102); and Seringe, a Bot.,i (mars, 1830), 4 
et 3, p. 49-144 in 1830 (cf. Linnza, vi (830 Lit. me 
hab Bai ioy's end of vol. i in 1834 (cf. Ann. s . Ser. 
tome iii (1835), 100, ‘‘ Livr. 3-7.” : 
Vol. ii, Part 7 in 1834. See last note. Ane oS) aa 
