1915] | Hubbard,— Mibora minima at Plymouth, Mass. 97 
ing a distinct range, the plant is best treated as a form rather than a 
variety. 
In the recognized varieties of S. antirrhina,— the typical plant, var. 
vaccarifolia Rydberg, var. depauperata Rydberg, var. laevigata Engelm. 
& Gray, and var. divaricata Robinson, the capsule and close fruiting 
calyx are ovoid-campanulate in form and the cauline leaves (except in 
the short-fruited var. depauperata) are lanceolate or oblanceolate. In 
the arid region of New Mexico and Chihuahua, however, the charac- 
teristic development of the species is a plant with linear cauline leaves, 
subcylindrie capsules and fruiting calyces, the latter more strongly 
nerved than in many forms of the species. This plant merits distinc- 
tion as 
S. ANTIRRHINA, var. confinis, n. var., foliis crassis, caulinis linearibus; 
calycibus fructiferis anguste subcylindricis valde costatis, capsulis 
subcylindricis 6-8 mm. longis 3.5-4 mm. diametro.— New Mexico: 
Cobre, August, 1851, Thurber, no. 1123; White Mts., alt. 7000 ft., 
August 5, 1897, Wooton, no. 286 (transitional). CHIHUAHUA: near 
St. Diego, alt. 6000 ft., May 15, 1891, Hartman, no. 684 (TYPE in 
Gray Herb.). 
Gray HERBARIUM. 
Mrsora MINIMA (L.) Desv. at PLYMOUTH, MASSACHUSETTS.— 
Among some specimens sent to the Gray Herbarium for determination 
by Mr. Benj. M. Watson of Plymouth, Massachusetts, were two tufts 
of a small grass, which Mr. Watson in his letter of April 12th states 
were growing wild in his nursery and had been in bloom for several 
weeks. They proved to be Mibora minima (L). Desv. a genus and 
species not previously reported from North America, to the best of 
my knowledge. It is a native of Europe — Great Britain south to 
northern Italy and Greece and also of northern Africa. Its generic 
position in the Manual would be directly after Alopecurus. 
Mrsora Adans. Fam 2:495 (1763). 
Mraona MINIMA (L.) Desv. Obs. Pl. Ang. 45 (1818): Desv. Fl. Anj. 
46 (1827). M. verna Beauv. Agrost. 30, 148, 167; Atlas 7, t. 8, f. 4 
(1812). A small tufted annual 3 to 8 em. high with short, narrow 
leaves clustered at the base; the sheaths very thin. Spikelets small, 
purplish, almost sessile, in a simple, slender spike about 10 to 15 mm. 
long.— F. Tracy HvnnaAnp, Cambridge, Massachusetts. 
