1923] Blake, North American Species of Limonium 59 
vicinity of San Diego; and Nevada specimens, although differing in 
slight details, must be referred here. "Two or three of the calyx ribs 
are sometimes glabrous or nearly so in this species. "The following 
additional material has been examined in the National Herbarium: 
CALIFORNIA: Near San Francisco, 1863, Bolander 2428. Alviso, 
Santa Clara County, Sept. 1902, Elmer 4218. Ocean Beach, near 
San Diego, 17 Aug. 1894, Mearns 4036 (in Nat. Herb.; but the speci- 
men of this number in Gray Herb. is L. mexicanum). Without 
definite locality, C. Wright. NEVADA: Ten miles from Stone's Ferry, 
altitude 425 meters, 11 April 1894, Jones 5032m. Muddy Creek, 
altitude 610-915 meters, 1898, Purpus 6157. 
LIMONIUM LIMBATUM Small; Blake, Ruopora 18: 64. pl. 119, f. H. 
1916. 
The following additional specimens of this very distinct species 
have been examined in the National Herbarium. 
Texas: Near Pecos City, 14 Oct. 1913, Rose & Fitch 17912. Stock- 
ton, June 1881, Havard. New Mexico: Roswell, June 1899, J. D. 
Tinsley 14. Tularosa, 4 Dec. 1902, J. H. Gaut. Nine miles south 
of Tularosa, C. H. T. Townsend 6. Malone's Ranch, 16 July 1895, 
Wooton. Morgan's Ranch, altitude 1125 meters, 16 July 1895, 
Wooton. Malone's Crossing, 22 Aug. 1899, Wooton. 
The key given in my original paper (p. 57) may now be revised, 
as follows: 
KEY ro NORTH AMERICAN SPECIES OF LIMONIUM. 
Calyx glabrous (rarely with one or two hairs in nos. 1a and 
Branchlets loosely flowered; Atlantic Coast species. 
Calyx lobes deltoid or oval, obtuse or rounded to acute, 
usually 0.5-0.7 mm. long; North Carolina to Florida. 
1. L. carolinianum (Walt.) Britton. 
Calyx lobes triangular-ovate, acute or subacuminate, 
0.7-1 mm. long; New York to Texas and Tamaulipas. 
` la. L. carolinianum angustatum (Gray) Blake. 
Branchlets densely flowered; California and Lower Cali- 
ES co ia 2. L. mexicanum Blake. 
Calyx densely pubescent at least at base. 
Calyx limb erect. 
ra teas (5.3) 6—7.5 mm. long, its lobes 1-1.7 mm. long. 
Scape strongly branched from near the base; innermost 
bractlet 5-6 mm. long; Tamaulipas 
3. L. endlichianum (Wangerin) Blake. 
Seape branched from near the middle; innermost bract- 
let 3.8-5.5 mm. long. 
Calyx pubescent only at base or on one or two of the 
ribs to the middle; New York to Texas and 
MUO ney se sw pes tone Et eur 4. L. nashii Small. 
