218 BOTANICAL GAZETTE. [ August, 
CURRENT LITERATURE. 
Contributions to American or, y. By Sereno Watson. Proc. Amer. Acad. xxi. 
414-468. Issued June 2, 1886. 
This is Dr. Watson’s naar epee and, as usual, is full of new 
species. The first part contains a list of plants collected by Dr. Pa Imer_ in 
chiefly from the Pacific States and Northern — We specially note a new 
Canbya, from Oregon ; Silene Hallii, a new om pa untain species, distin- 
ird part begins a series of notes upon a cotleetiot made by Dr. Wat- 
son himself, in Guatemala, in se spring of 1885. The fourth and last part 
contains some notes upon a few palms of Gu atemala, most of the 26 species col- 
is 
called by the natives “ Warree Cohune.” Mr. Watson always adds to the con- 
venience of his papers by appending a complete index 
Flora 7 vt Felt National Park. By Frank teed: Washington, D. C. 
188 
ae is is a eas ene of the vascular plants of one of our most in- 
teresting regions, and visited as it is by so many hundreds of tourists each year, 
this catalogue must be in en mh demand as a guide to the lovato gt 
plants. The author has bronght ale a the plants reported, and 
this small area, 55><65 miles, 657 species are listed. It is n EN eas that wis 
the Composite (108) and Graminew (7 2) 2 are, - Spo the dessa, families, 
the Cyperacex aD to the sixth spiete with but 2 cies, Before them come 
Scrophulariacee (32), Legumin ose (28), ae eerechinp (27). "The very 
rtp ng collection of grasses, made by Mr. Tweedy, is being described in 
this journal. 
Contributions to nee Spe By Asa Gray. Proc. Amer. Acad., xxi. 363- 
413. Ass ued May 4, 1886. 
is the twen ej d number of these “ab etre and by far its most 
im mportant part is the revision of North American Ranunculi. This $ genus Was 
hastily compiled nearly half a century ago bee Torrey & Gray’s Flora, with 
very little knowledge of original material, and has now come u again for 
study in preparation for Gray’s Synoptical Flora. Naturally the work has 
, and we now have this genus really for the first time thor- 
oughly prese to n botanists. Including Greenland, 
species, ped under six sec the last of which (Ewranunculus Gray) con- 
tains 49 species. The first section is the old Batrachium , F Species ; 
the fourth is-Cyrtorh Gray, while the others are established for the first 
ime. A sectio s, is made of the siatic genus Oxygraphis, of 
Bunge, and introduced after Batrachium, but it is yet uncertain that it con- 
u seudaphanostemma a re other secti 
while ted in our flora by the widely diffused R. Cymbalaria. 
Some three or four ne i i 
of its extreme forms are descri 
,, Hook, ts Mlesnranaket from R. — nicus, ete., and set u 
species, w with the somewhat com authority quote ve. 
ico, ted by Mr. Pringle, continues to 
yield an astonishing g harvest beset and es, man hi 
new speci 
Co: igh ong them are to be found a new genus of 
mposite ( Piptothrix), near to oie ri d f the North 
American species of Metastelma, patorium, and a revision 0 
