NEW SPECIES AND EXTENDED RANGES OF NORTH 
AMERICAN CARYOPHYLLACEZ. 
B. L. ROBINSON. 
(WITH PLATE XIII) 
Since the publication of the last fascicle of the Synoptical 
fla, containing a revision of the North American Caryophyl- 
lace, four additional species, belonging to this family and 
sowing within the range of the work mentioned, have come to 
the notice of the writer. These plants have been recently dis- 
Covered in widely separated parts of our continent, and, with the 
possible exception of the Drymaria mentioned below, are 
undoubtedly indigehous, so that together they form a note- 
pedal addition to our already rich representation of this. 
attractive family. 
oxyphylla.— Decumbent and rooting from the 
stems striate, leafy, dichotomously branched 
lent line ore in length, glabrous except along a puberu- 
vated aaa the dorsal surface of each branch: leaves elon- 
ne : anceolate, caudate-attenuate, becoming 1° or more in 
: warty fo 13™" in breadth, nearly concolorous, minutely 
Upon hi both surfaces, sparingly or even obsoletely ciliolate 
Tate ae gradually attenuate to sessile somewhat con- 
Veins fine] , midrib pale, prominent upon the lower surface; 
transmitter ag (an intramarginal one clearly visible by 
; deflexeg cas peduncles slender, spreading or at length 
Summit, © 35™ long, often nodding or recurved at me 
of the hi < in the forks of the branches and in the axils 
: ae leaves : calyx glabrous, subturbinate at the 
fength lanceolate, attenuate, in fruit about 6™™ in 
sc ; 
1898) ely striate, persistent, becoming dry and some- 
165 
lower nodes - 
above, = or m 
