mss. in Curtis's Cat, pl. Wilmingt. 123. — Crescit in Carolina boreali, Florida, 
Alabama et in Louisiana. 
38. D. (HEDYSARUM Muhlbg. Cat. — Bigel. Fl. Boston. II. ed. 274.) HUMIFUSUM 
Beck, Bot. 86. — Torr. et Gr. 1. c. 364. f — Caule procumbente striato, plerumque 
glabro; foliolis ovalib. minute pubescentib.; stipulis ovato-lanceolat. persistentib.j 
'■ racemis axillaribus terminalibq.; bracteis stipulaeformib.; calycis labio superiori 
profunde bidentato, dentib. labii inferioris acutissimis, medio elongato; legumi— 
nibus minule hispidis, sutura superiori subsinuatis subrepandis, breviler stipitat., 
articulis 2-4 obtuse triangularibus. — Crescit in Massachusetts prope Boston 
et in Carolina boreali. 
B. Australi - Americana. 
a. Mexicana, 
* Unifoliolata. 
39. D. PACHYRHIZA Vogel, Linnaea XII. 97. — Caule ereclo herbaceo hirlo-lomen- 
toso; foll. brevissime petiolatis, inferiorib. oblongis, summis lanceolato-linearib. 
hirlellis, subtus incanis; racemis terminalib. elongatis; florib. subgeminis; legu- 
mine pubescente, articulis 3-5 ovali-oblongis. — Crescit in Mexico. 
40. D. PSILOPHYLLUM Schlchtd. Linnaea XII. 310. f — Altius, herbaceum erectum 
virgato-ramosum, glabrum: foll. breviter petiolatis unifoliolatis , foliolis ex ovata 
basi sensim curvilineo-angustatis, acutiusculis cuspidatis, subtus glaucis, utrinq. 
cum petiolo glaberrimis; stipulis stipellisq. subulalis glabris; rhachi, pedicellis, 
bracteis minutis, calycib. leguminibq. pube e pilis minutissimis curvalis leviter 
obductis; florib. in racemis basi ramosis terminalib. longe pedicellatis ; leguminib. 
patenlib., articulis oblique ovalibus. — Habitat in Mexico. 
41. D. HETEROPHYLLUM Hook. et Arn. Bot. Beech. voy. 417. — Erectum hirsutum : 
foll. simplicib. late ovatis obtusis, supremis trifoliatis, foliolis ovatis, intermedio 
duplo triplove majore; stipulis bracteisq. acuminatis rigidis striatis. — Mexico. 
** Trifoliolata. 
42. D. PLICATUM Schlchtd. et Cham. Linnaea V. 585. f — Caule fruticoso erecto 
tereti, sursum subreverse tomentoso, inferne canescenti-dense pubescente; foll. 
breviter petiolatis, foliol. oblongo-ellipticis, apice subretusis mucronatis, supra 
pubescentibus , subtus tomenlosis; stipulis et slipellis longe acuminatis patulis; 
spicis paniculalis; florib. fasciculalim dispositis; bracteis angustissimis acutissi- 
simis, calycem superantibus; leguminibus tomentosis, articulis paucis (3-4) varie 
invicem complicatis. — Crescit in Mexico. 
43. D. RETINENS Schlchtd. Linnaea XII. 311. f — Parvum suffruticosum erectum, 
a basi ramosum: caulibus hirtellis (pilis minutis patentibus uncinatis albis) ; foli. 
breviter petiolatis ternatis; foliolis ovatis, ovato-ellipticis oblongisve obtusiusculis 
mucronulatis, reliculato-venosis, utrinq. puberulis; stipuiis bracteisque ex ovata 
basi subulato-acuminatis striatis; floribus in racemo terminali longiuscule pedi- 
cellatis ; leguminibus deflexis, arliculis ovalibus reticulato-venosis, puberulis. — 
Crescit in Mexico. 
44. D. ORBICULARE Schlchtd. I. c. f — Parvum, fruticosum, erectum, ramosissi- 
mum, leviter puberulum: foll. breviler petiolatis, ternatis, foliolis obovato- ve! 
ovali-orbicularib., leviter emarginatis mucronulatisve, subtus glaucis, prominulo— 
venosis; stipulis triangulari-acuminatis striatis recurvis ; bracteis similib. deciduis; 
florib. in racemis terminalib. et axillaribus, longiuscule pedicellatis; leguminibus 
deflexis, articulis oblique ovalib. reticulato-venosis, margine inprimis puberulis. 
— Crescit in Mexico. 
45. D. AFFINE Schlchtd. I. c. 312. f — Parvum: caulib. herbaceis ascendentibus, 
basi radicantib. patenlim pilosis; foll. petiolatis ternatis, foliolis supra scabrido- 
puberulis, subtus glaucis subreticulato-venosis mollius pubescentib., imparl late 
rhombeo obtuso, lateralib. oblique ovalib.; stipulis erectis ovatis acute acuminat. 
slriatis, stipellis lineari-acuminatis ; racemo terminali elongato; florib. subsolitariis 
longiuscule pedicellatis; bracleis lanceolato-acuminatis, citius deciduis; legumi- 
nibus — Crfscit in Mexico. 
