WATER-PLANTAIN FAMILY. 3831 
ments two-thirds longer than the anthers, strongly villous near the base; ovary nar- 
rowly winged, with a slender crect style; flowers fully three-fourths inch across. 
Resembling form b (J. G. Smith) of 8. latifolia; at once distinguished, however, by 
the characters given above. 
Louisianian area, 
AtaBaMA: Lower Pine region, deep ditches. Mobile, June, 1896. On a second 
visit to the same locality to get specimens with mature achenia the plants were 
found to have been destroyed by the cleaning of the ditch. 
Type locality: ‘‘Deep muddy borders of marsh on the Mobile River.” 
Herb. Geol. Surv. Herb. Mohr. 
Sagittaria montevidensis Cham. & Schlecht. Linnaea, 2:156, 1827. 
La Puata RIVER ARROWHEAD. 
J.G. Smith, Rep. Mo. Bot. Gard. 6:57, t. 29. 
“Monoecious; petioles stout, rigid, erect, ascending; leaves sagittate, acute or 
obtuse, 4 to 20 inches long and broad, basal lobes acute, acuminate, widely divergent, 
glabrous above, sparsely scabrous on the nerves below; scape usually simple, stout, 
often 24 to 3 inches in diameter at the base; verticils numerous, more or less approxi- 
raate, 2to 4 lower ones fertile; bracts connate at the base, lanceolate, long-acuminate, 
the upper undeveloped portion of the scape appearing comose with their projecting 
tips; staminate pedicels slender, ascending, # to 14 inches long, longer than the fer- 
tile; flowers large, the sepals broadly ovate, obtuse, inch wide, ginch lony; petals 
obovate, larger than the sepals; stamens very many, the narrow glandular tilaments 
longer than the linear-oblong anthers; achenia ,!; to 4 inch long, narrowly quadrate, 
obovate, winged on both margins, with a short, slender, oblique beak, and a promi- 
nent sub-epidermal resin passage on each side above; fruiting head large, § to 1} 
inches in diameter.” Established as a ballast plant in California. 
SouTH AMERICA. 
Louisianian area. Coast of North Carolina. 
ALABAMA: Coast plain. Marshesand ditches. Mobile County, river marshes and 
ditches about the city. Flowers July to September. J requent. 
Type locality: ‘‘Montevideo et Rio grande do Sul.” 
Herb. Geol. Surv. Herb. Mohr. 
Sagittaria longirostra (Micheli) J.G. Smith, Mem. Torr. Club, 5:26. 1893. 
LONG-BEAKED ARROWHEAD. 
Sagittaria sagittifolia var. (?) longirosira Micheli in DC. Monogr. Phan. 3: 69. 1881. 
Britt. & Brown, Ll. Fl. 1:88. 
Carolinian area. Southern Delaware, Pennsylvania, and Kentucky. 
ALaBaMa: Lower hills. Coosa County, Stewardsville (Dr. E. 4. Smith). July. 
Rare. 
Type locality: ‘‘In Alabama (Drummond, 1832).” 
Sagittaria longirostra australis J. G. Smith, Bull. Torr. Club, 24: 20, t. 297. 1897. 
SOUTHERN LONG-BEAKED ARROWHEAD. 
Plant 6 to 8 inches high, the scape about 20 inches long; leaves ovate-elliptical, 
obtuse, 3 to 4 inches long, basal lobes obtuse; fertile pedicels about 4 inch long, 
exceeding the bracts; achenium less than 4 inch long. Puiate II. 
Carolinian area. 
ALABAMA: Mountain region. Shaded swampy creek banks. Cullman County. 
Type locality: ‘‘Collected by Dr. Charles Mohr, Cullman, Ala., August 4, 1896.” 
Type in Herb. Mo. Bot. Gard. 
Herb. Geol. Surv. Herb. Mohr. 
Sagittaria subulata (L.) Buchenan, Abh. Nat. Ver. Brem. 2: 49. 1871. 
Alisma subulata L. Sp. Pl. 1: 343. 1753. 
Sagittaria pusilla Nutt. Gen. P]. 213, 1818. 
8. natans var. lorata Gray, Man, ed. 6,555. 1890. Not Chap. 
Gray, Man.1l.u. Chap. Fl. 449. ; 
Carolinian and Louisianian areas. New York, coast of New Jersey to Florida. 
ALABAMA: Coast plain. Sandy tidewater flats. Mobile County, Frascati. Flow- 
ersin September. Rare. One-half inch high. 
Type locality: ‘Hab. in Virginia.” 
Herb. Geol, Surv. Herb. Mohr. 
Sagittaria subulata natans (Michx.) J. G. Smith, Rep. Mo. Bot. Gard. 44. 1894. 
FLOATING ARROWHEAD. 
Sagittaria subulata Michx. F1. Bor. Am. 2:190. 1803. 
S. subulata var. lorata Chap. Fl. 449. 1860. 
