284 BOTANICAL GAZETTE, [Oct., 
a student to learn to recognize a number of the commoner erie genera 
f h 
ery ptogams.”’ e idea is an excellent one. Probably who are con- 
e subject will agree that our va a s have n inadequate 
heretofore for the needs he student who res to readily provide himself 
n 
some knowledge of the oer and calalsianhin of the plants he sees about 
him, especially of the oh form 
he printer and the binder “som done their parts well, and the text has an 
attractive rset as if it oo - Teepe setting. But the value of 
a guide lies ess when ot i 
re is 
hal rnin 
the key, we find two grand tag m0 cy Cormophyta » an A “ Tha ape phyta.” ‘The 
i i i wit th marked 
here 
distinguished by gemme, vis our specim Ge does not have. As we are still 
as much in the dark about the — position of the plant as when we started, 
we take down Underwood’s N. Am epatice and find that it is Constene 
conicus, more commonly written Fegatella eaihen. everywhere a very common 
sign tk 
Fearing this may not be a inte test, we ene the next thing at hand, an 
have a at Sagar ildew on lilac lea o trouble in placing this un- 
me ie the Jats and running it into er Memeasteuen, but here we find “genera 
not giv 
e e oO t re give 
surprisingly small. The two genera of Characee are the only ones given 
among fresh-water alge, and those of but three orders are given among marine 
ge. y u he t 
rene crab Tremellinex, and Dise omycetes, but these embrace the yeh 
most conspicuous of the fungi. The genera of lichens are enumerated 45 
an independent t group. 
The pb criticisms may be interpreted as meaning that the work does no 
meet the expectations raised by its title. But we may turn about and ¢ stilae 
the title, as too ambitious for the work it is attached to. A — is for the use 
of who do not know the way, and to serve its urpose mu t therefore be 
i: t work 
ment. But instead of calling this a “ guide,” su it be named an “abbre- 
is” —the tins ena “ have made lose their donee and the pie 
ons uthor has apparently designed it to qui 
well. We think that a serviceable caida | is feasi| live and Maron nop but it must be 
