310 ; LEGUMINOSZ. 
It is uncertain where this plant is indigenous and where only naturalized, as it is 
generally cultivated in the tropics. At the present time it is widely dispersed in a wild 
state in Tropical Asia, Africa, and America. 
2. Pachyrhizus palmatilobus, Benth. et Hook. Gen. Plant. i. p. 540. 
Dolichos palmatilobus, Moc. & Sessé in DC. Prodr. ii. p. 399. 
Robynsia lobata, Mart. et Gal. in Bull. Acad. Brux. x. pars 2, p. 193. 
Sours Mexico, Mirador, at the Rancho of San Carlos, 3000 feet (Galeotti, 3278), 
woods and savannas of Juchatengo, Cordillera of Oaxaca (Galeotti, 3167), near Tehuan- 
tepec (Andrieux, 435). Hb. Kew. 
[Cajanus indicus, Spreng., an Old-World plant, is commonly cultivated in tropical 
countries, and naturalized in many places. | 
| 60. RHYNCHOSIA. 
Rhynchosia, Lour. Fl. Cochinch. p. 460; Benth. et Hook. Gen. Plant. i. p. 542. 
‘Herbs or shrubs. Generally dispersed in warm countries, a few species in Temperate 
South Africa, North America, and North-eastern Asia. Altogether there are about 
seventy-five species. 
1. Rhynchosia calycosa, Hemsl. Diag. Pl. Nov. pars 3, p. 48. 
Herbacea, volubilis, ramis puberulis striatulis, foliis longiuscule petiolatis, foliolis ovato-rhomboideis 
obtusis lateralibus obliquis utrinque minute puberulis tenuiter reticulato-venosis, floribus race- 
mosis brevissime pedicellatis, calycis puberuli lobis tricostatis obtusis paulo longioribus quam 
petala, carina quam alz et vexillum longiore, vexillo glabro, ovario superne villoso, stylo fili- 
formi glabro, legumine glabrescente oblique oblongo, calyce aucto suffulto. 
Herba volubilis, ramis graciliusculis, puberulis, striatulis. Folia petiolata, pinnatim trifoliolata, 
rhachi 8-10 lineas longa, petiolo gracili, usque sesquipollicari; foliola breviter petiolulata, 
membranacea, ovato-rhomboidea vel lateralia, interdum ovata, 14-2 poll. longa et lata, lateralia 
minora, omnia obtusa, utrinque minute puberula, tenuiter reticulato-venosa ; stipule deciduz 
non vise; stipelle minutissime. Flores racemosi, brevissime pedicellati, circiter 5 lineas 
longi ; racemi pedunculati, pauciflori (15-80), 3-8-pollicares, bracteati, bracteis parvis, ovatis, 
subulatis, cito deciduis; calycis intus extusque puberuli tubus brevissimus, lobi tricostati, 
_oblongi, 2 posteriores supra medium connati, 2 laterales falcati, anterior complicatus, omnes 
obtusi vel vix acuti, petalis longiores; vexillum complicatum, orbiculari-ellipticum, apice 
retusum, basi cordatum, breviter unguiculatum, omnino glabrum; ale oblonge, graciliter 
unguiculate, semihastate; carina alis et vexillo longior, oblonga, graciliter unguiculata ; 
ovarium sessile, superne argenteo-villosum, stylo elongato, filiformi, glabro. Legumen (matu- 
rum non visum) oblique oblongum, 9-12 lineas longum, calyce aucto suffultum, sxpissime 
dispermum. 
Panama, Chagres (Fendler, 72), Hb. Kew. 
Allied to £&. longeracemosa, Mart. et Gal., and R. reticulata, DC., from which it is 
easily distinguished by its foliage, calyx, short glabrous standard, &c. 
2. Rhynchosia caribea, DC. Prodr. ii. p. 384. 
Glycine caribaea, Jacq. Ic. Pl. Rar. t. 146. 
