VETCH FAMILY. 579 
Amphicarpa monoica Ell. Journ, Acad, Phila. 1:378. 1817. 
EIL Sk. 2:23. Gray, Man. ed.6, 146, Chap. FL. 107. Britt. & Br, I. Fl. 2: 285, 
Alleghenian to Louisianian area. New Brunswick to Manitoba; New England 
west to Nebraska and Kansas, south to Florida, west to Arkansas, 
ALABAMA: Mountain region, damp thickets. Dekalb County, Mentone, Il lowers 
white, September. Not common. 
Type locality: ‘Hab. in Virginiae madidis umbrosis.” 
Herb. Geol. Surv. Herb. Mohr. 
Falcata pitcheri (Torr. & Gray) Kuntze, Rev, Gen. P1.1:182. 1891. 
PircHEr’s HoG PEANUT. 
Amphicarpaea pitcheri Torr. & Gray, FN. A.1:292. 1838. 
Gray, Man, ed. 6, 146, Britt. & Br. TI. FI. 2:235, 
Carolinian and Louisianian areas. Indiana, north Louisiana, and east Texas. 
ALABAMA: Metamorphic hills. Cleburne County (Dr. &. A. Smith), August; rare. 
Our specimens differ from the plant west of the Mississippi in their more slender 
and less densely hirsute stems, smaller and thinner leailets, and closer racemes 
approaching the last. 
Type locality: ‘Red River, Arkansas, Dr, Pitcher!” 
APIOS Moench, Meth. 165, 1794. 
Five species. Japan, China, Himalayan India, Rastern North America, 
Apios apios (L.) MacMillan, Bull. Torr. Club, 19:15, 1892. GROUNDNUT. 
Glycine apios L. Sp. V1.2:758, 1753. 
Apios tuberosa Moench, Meth, 165, 1794. 
EM. Sk. 2: 282. Gray, Man. ed.6, 144, Chap. FL. 105. 
Alleghenian to Louisianian area, New Brunswick, Quebec, Ontario; southern 
New England west to Dakota, Missouri, Kansas, and Nebraska, south from New 
York to Ohio Valley, Florida, and the eastern Gulf States ; Louisiana to Arkansas. 
ALABAMA: Mountain region to Coast plain. Low damp thickets, borders of 
woods. Clay County, Shinbone Valley, 1,000 feet. Cullman County, Winston 
County, Colliers Creek, 1,200 feet. Madison County, Montesano. Mobile County, 
river swamp. Flowers blue; July to September, Frequent. Perennial. 
Type locality: “Jlab, in Virginia.” 
Herb, Geol. Surv. Herb. Mohr 
ERYTHRINA IL. sp. 11.2: 706. 1753, 
About 30 species, tropical and subtropical regions both hemispheres, largely of 
tropical America. Atlantic North America, 1. 
Erythrina herbacea L. Sp. Pl. 2: 706. 1753. CorAL PLANT. 
El. 8k. 2:190. Chap, I'l. 107. 
Lounisianian area, South Carolina to Florida, west to Mississippt. 
ALABAMA: Lower Pine region to Coast plain. In dry close soil. Margin of woods, 
copses. Clarke County (/. aA. Smith), Escambia County, Flomaton. Washington 
County, Yellowpine. Mobile County. Flowers earmine, May; fruit ripe Septem- 
ber, seeds scarlet. Not infrequent throughout the Coast Pine belt. Perennial from 
a thick tuberous root. 
Type locality: ‘‘Hab, in Carolina, Mississippi.” 
Herb. Geol. Surv, Herb. Mohr. 
VIGNA Savi, in DC. Prodr. 2:401. 1824. 
About 30 species, warmer regions of both hemispheres, mostly tropical American. 
South Atlantic North America, 1. 
Vigna luteola (Jacq.) Benth. in Mart. Fl. Bras. 15, pt. 1: 194, #.40, f..2. 1859-62. 
Dolichos luteolus Jacq. Hort, Vind, 1: 39, t. 90. 1770, 
Vigna glabra Savi in DC, Prodr, 2:401, 1824. 
Ell. Sk. 2:231. Chap. Fl. 106. Griseb. Fl. 195, 
West Inpirs, MEXICO TO BRAZIL, PERU. 
Louisianian area. Coast South Carolina to Florida, west to Texas. 
ALABAMA! Coast plain. Low banks of rivers, borders of fresh and brackish 
marshes in the tide-water district. Mobile and Baldwin counties. Flowers yellow. 
May to September; frequent. Perennial. 
