1888. | BOTANICAL GAZETTE. 265 
hanging threads. This palm is now cultivated for ornament 
in many places in California, and has also been introduced 
into green-house culture in Europe. An attempt has been 
made at one place in southern California to utilize a portion 
of the rough barrens country for an ostrich farm. Ostriches 
have been introduced from Africa, and are kept in large in- 
closed tracts, where they have abundant freedom. The cli- 
mate seems to be quite agreeable to them, and their culture 
promises success. 
ess 
Washington, D. C. 
The stem of Ephedra.* 
WALTER H. EVANS. 
(WITH PLATE XX1.) 
pies an 
tum in 
the order Gnetacee. Holding thus a low rank among Gym- 
Nosperms, we would expect interesting anato 
ures. In all there are about thirty species, most Of W ce 
aretropical. Within the United States five or six species have 
een found, and their range is trom Ft. Bridger, Wyoming ter- 
titory, Colorado and Texas, through Utah, Nevada ener 
zona to California. d 
In this study I used the Aphedra Nevadensis ieee es an 
Compared with it Z. aspersa Engelm., E. pedunculata oe 
elm., Z. vulgaris Rich., £. trifurca Torr., and E. monosta- 
chya L., all of which seemed to differ in no 1mpor 
Common horse-tail rush. The stem bears no 
a brow 
e deciduous after 
et year’s growth, while in some cases 
. dined throughout the growing season. 1 
in al lo no lea 
oe all probability, rudimentary leaves, Ye gh Sg and 
Work, have no fibro-vascular connection wit ’ 
1 
Contribution from the botanical laboratory of Wabash College. 
7 eee 
ee Cee he Cee 
Ving ices 
Dee 
cx 
