158 
spores about g}y-3%5 Of an inch in diameter. The male and female 
fronds often grow together. The male frond is much narrower, of 
an amber brown, with a stipe-like base and with spike-like lobes, 
and is a most beautiful object under the lens. When crowded the 
female fronds also have a substipitate base and leaf-like lobes, very 
much as in /ossombronta. 
Sphzrocarpus Texanus, 7. sf.—A Sph. Michelit distinguitur 
_ fronde minore, involucro apice minus obtuso, sporis fere dimidio 
minoribus, etc.—Texas, 1849.—C. Wright. 
Coccus about ghy of an inch in diameter (smaller than a single 
spore of S. Donnelliz). Involucre and lobes of the frond slightly 
acuminulate. Male frond not seen. S. Michelii has the coccus 
about }y—z}y of an inch in diameter, not very distinctly lobed. 
Involucre and lobes of the frond obtuse or subtruncate. 
Lejeunia Jamesii, 7. s.—Muscicola; caule vix lineam longo 
vage ramoso repente, foliis ovatis acutiusculis planiusculis integerri- 
mis, cellulis haud convyexis sed dorso longiuscule papillosis, lobulo 
majusculo inflato subnullove, perianthio—. | 
On the leaves of Weckera glabella—Mexico.— James. 
A very minute species, the leaves less than the 45 of an inch in 
length. 
§ 160, Publications—1:. A/ge Exsiccate Americe Borealis : 
curantibus W. G. Farlow, C. L. Anderson, D.C. Eaton edite. Fasc. 1. 
This fasciculus consists of fifty specimens, with nicely printed tickets, 
of North American Floridee and Chlorosporez, or Red and Green 
Seaweeds. The edition consists of only thirty copies, of which about 
twenty are for presentation to the leading Phycologists of America 
and Europe, to certain Museums, etc., leaving ten copies for sale at 
$8.00 per copy. The fasciculus includes many rare and very inter- 
esting species, as, for instance, Dasya ramosissima, from Key West, 
D., plumosa, California, Nitophyllum violaceum, California, Lomentaria . 
rosea, Gay Head, Cryptomenia crenulata, Key West, Farlowia com- 
pressa, California, Callithamnion dasyotdes, California, Caulerpa, 
several species from Key West, Hormactis Farlowii, Wood’s Hole, 
etc. This fasc. is in smallish 4to; the next one will probably be in 
folio, with Sargassa, Fuci, Laminaria, etc.,and the price of it will be 
$12.00. Other fasciculi are expected to follow at intervals, until the. , 
greater part of our marine Alge have been distributed. Professor 
Farlow (Harvard Univ., Cambridge, Mass.) has charge of the distri- 
bution and sale of the copies.—2. Botanical Contributions, by Asa 
Gray. Proceedings of Am. Acad. Arts and Sci., Vol. XII. Canotia 
holocantha, Torr., Dr. Gray concludes to belong to the Rutacez. 
Sympetaleia, nov. gen., is remarkable among Loasacez for.the union 
of the petals, as the name implies. They are combined into a long 
tube, with the stamens borne in and. below the throat. Zemmonia, 
‘nee Beiophyll 1s named after the energetic botanical explorer 
Conn geanstta Nevada. Echinaspermum Greenci is the type of a sec- 
ie “epi ochin. LEchidiocarya, with its character reconstructed, 
with two species, is placed between Eritrichium and Antiphytum. 
Leptoglossis, subgenus Brachy, ‘lossis: the two. species here given 
