502 
Leaflets oblong-linear, more or less silvery canescent. 
13. G. Wrightit. 
Leaflets 7-9, elliptical-oblong ; flowers white, tinged with red. 
14. G. Elliottit. 
1. Galactia heterophylla (Gillies). 
Procumbent from a ligneous somewhat fusiform creeping 
rhizome; stems sub-simple, flexuous, 1-3 dm. long, minutely re- 
trorse-hirsute, becoming glabrous, obscurely angled above ; stipules 
2-3 mm. long, subulate or setaceous; petioles 4-6 mm. long; 
leaves few, the basal ones 2-4 cm. long, oblong, the others 3-9 cm. 
or more long, oblong-lanceolate or linear, acutish at each end, 
coriaceous, glabrous above, the reticulated veins confluent with the 
conspicuous marginal nerve and minutely strigose beneath ; flow- 
ers 1-16 cm. long, rose-purple, on 1-3 mm. long pedicels or I-—3, 
minutely pedunculate in the axils of the upper leaves; bracteoles 
minute, setaceous; calyx 6-7 mm. long, campanulate, strigose- 
hirsute, the acuminate teeth somewhat scarious-margined, the 
broadly ovate-lanceolate upper one minutely 2-toothed, the others 
more slender, the middle one the narrowest and longest ; vexillum 
with a conspicious indentation at the apex, minutely biappen- 
diculate at the base, abruptly tapering to the filiform claw; anthers 
oblong-ovoid; legume 2.5-3.5 cm. long, 4-5 mm. wide, coria- 
ceous, acuminate, retrorsely hirsute and puberulous, with a some- 
what raised suture. Mature seeds not seen. 
Original locality, El Rio Quarto, west side of Las Pampas, 
Argentine Republic. 
Type, Gillies in Herb. Arnott, fide Torrey & Gray. 
Eastern Texas, Central America. Uruguay and Argentine 
Republic. 
Synonymy: Cologania heterophylla Gillies ; Hook. & Arn. in Hook. 
Bot. Misc. 3: 181. 1833. ; 
Galactia marginalis Benth. Ann. Wien. Mus. 2: 126. 1838. 
2. Galactia erecta (Walt). 
Erect from a slender ligneous somewhat fusiform rhizome, 
‘stems often several from the same root, 2-3 dm. or more high 
somewhat flexuous, glabrous or nearly so, angled above ;_ stipules 
2-3 mm. long, subulate; leaves few, usually remote; petioles 2- 
5 cm. long, slender; leaflets 2.5—4 cm. long, often reflexed on the 
rhachis, oblong, oblong-linear or linear, obtuse, rarely acutish, 
coriaceous, glabrous, glaucous and the veins reticulated beneath, 
_ the terminal one subsessile; flowers 8-10 mm. long, purplish, 2- 
5 in obscurely peduncled, axillary racemes or fascicles; pedicels 
