16 BOTANICAL GAZETTE, . [| January, 
and the same leaf. Microscopical preparations have been made which : 
exhibit all the forms in a single section. a 
That of finding early in December the living mycelium of Roes- — 
telia penicellata in the tissues of apple twigs, and its evident growth from 
é latter into prematurely forming leaves, for upon the latter, which 
were scarcely more than an inch in length, well developed sperm agonis 
what surprising Owing to its isolated location, far from any Juniperus or 
cedar. The matter ig easily explained, however, if the mycelium of the — 
host.” 
11th. That Uredo fieus is injurious to the foliage of the fig tree in — 
several localities in Florida. 
2 
plum in Texas, and on apricots —F, Lamson ScriBner, Chief of the Section : 
of Vegetable Pathology, U. 8. Department of Agriculture, Washington, D. C 
Dec. 8, 1887. . 
A handy herbarium.—The practical study of botany is often much 
hindered by the amount of trouble many of us busy men find in the : 
handling of our specimens. Many an hour’s work has been turned by the © 
present busy laborer to other studies because, having at his disposal only : 
i few moments, so much of the time will needs be spentin hunting up — 
what is wanted. ; ; 
In this western country houses are not, as in New England, of many 
and large rooms. So my specimens, identified, unidentified and for ex 
change, have been forced, by dire nec: : 
dark, low and hard to reach. 
