72 Scientific Intelligence. 
grow directly from the sete of mosses. The latter part of the 
article in which Pringsheim discusses the alternation of generations 
in Thallophytes is excessively recondite and difficult to a 
G. F. 
seb Ou Basicoate Americe —— 3 curantibus W. cr goes 
on, edite. Fasciculus 
a in this i! ha they dave: cocuseth ed to issue sets of 
specimens, with printed tickets, &c. This first facie as con- 
- tains ona species, all of real interest, many of the 
to new, at least in collections. The specimens are > fall and beau- 
tiful, at the fasciculus is in every way attractively prepared. 
e have no announcement of the price, but we understand that a 
limited number of copies are to be put on sale. Professor Eaton 
at Yale College, Professor Farlow at Harvard, and Dr. Anderson 
at Santa Cruz, California, conld be applied to by those who wish 
to obtain these sets, Algw from the Californian coast have until 
now been unattainable; and er from Florida almost equally so 
since the late Dr. Harvey’ s time. The few species from our New 
ae! species by Farlow, L. nigrescen , Calothrix crustacea 
U. pulvinata. Among the Californian species of Dr. Ander- 
“ s iclecdan’ is Agardh’s Farlowia co A. G. 
Orchis rotundifolia of Pursh, Witch Richardson referred to 
Bohenaban (it was confidently supposed with good reason), and 
Lindley after him to Plutanthera, is a genuine Orchis, having a 
ouch to the pollinia-disks as manifest as that of O. spectabilis. 
is is seen in fresh flowers of the living plant sent by Mr. Prin- 
gle from Vermont to the Cambridge Botanic Garden. . G 
5, Beitrdége zur Pan aay a hamranibat der Flechten. Heft. 
I, Ueber die bas peste ig oer der Collemaceen.— 
EK. Sranu. Leet 8vo0 e ae rune important contribution joel 
Zeitung, 1 . 177. He has avoi any discussion of the 
te theory with regard to the gonidia ony has sought in 
the study of the <oosprinamcabigh —_ of lichens to discover their 
relationship to other ark part first, he aiile of Collema 
ot he 
"spe 
female, The anatomy of the former has been known for some 
time, but the latter organs are now described for the first time. 
e carpogonia consists of two portions, the ascogone and the 
fi 
