214 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



K i ^ PO in i BP1 CIB8. 



Stipules do1 ] »« -I t ii t « ■ . Btipulee and bracteolee ovate ..r oblong; 

 wings a little longer than tin- standard; upper tooth of the calyx 

 Bhort, broad, truncate, eraarginate. Section Ei in tsi oi i s. 

 Calyx teeth all shorter than 1 1 1 « - tube. 



1 i jpime flat, broad, falcate, 2 or 3-eeeded. \. P. hm 



me linear, many-seeded, Btraighl or slightly arcuate. 

 Bra< teoles broad, equal to the cal) x; peduncle shorter 



than tin- petiole. 2. /'. i ulg 



Bracteolee narrow. Bhorter than the calyx, peduncle 

 usually longer than the petiole. 

 Keel spirally twisted :; or I times . :;. /'. earaeaUa. 



Reel slightly twisted. I. P. antiUanut. 



Tin' lowesl calyx teeth narrow, aubequal to or longer than the 

 tube. .">. /'. odenanthuM. 



Stipules often more «>r less peltate below the insertion; upper tooth 

 of the calyx short, broad, truncate or eina ruinate: wings Bubequal 

 to the standard. Section Strophostyles. 6. P. ovatus. 



Stipules not peltate; calyx subtubular, with 5 acute teeth; wings 

 long-clawed, longer than the standard; legume narrow, reflexed. 

 Section Macroptilii \i. 7. /'. latkyroide$. 



1. Phaseolus lunatus 1.. 



i Urban, 308. 



Stems biennial, usually twining; leaflets 3, the central one ovate-deltoid, 7 to 10 cm. 

 Ioiil'. 5 to 7 cm. broad, the lateral ones very unequal-sided; flowers in copious long or 

 Bhorl -talked axillary racemes 2.5 to 10 cm. lorn:: calyx 2.2 to A mm. deep: corolla 

 umler 1 .") cm. deep; standard dull ,L r reen. win*:- and keel pale blue or in the cultivated 

 plant white: pod 5 to 7."> cm. long, L.25 to 1.17 cm. wide, glabrous, the upper >ut ure 

 Blightly and the lower much recurved, dark violet, margins green; seeds purple or 

 white. 



Spontaneous and cultivated, near Coamo, in thickets at Parajones and in woods at 

 Pedro Garcia; near Cabo Rojo, <>n hedges at Buena Vista; near Rincon, in thicket- at 

 Punt a- near Aguadilla in gardens at L- pin el. Cuba, Jamaica (< irisebach i, Haiti, St. 

 Thomas Bggers). St. Croix (do.), St. John (do.), Antigua (Grisebach . Guadeloupe, 

 Dominica. Martinique, St. Vincent, Barbados, Trinidad (Kuntze), Margarita. Trop- 

 ical America. Widely dispersed through the tropics of both hemispheres. 



/'. lunatus is easily distinguished from /'. vulgaris by its racemose inflorescence and 

 it- -mailer flowers, pod-, and bracts. 



This plant is cultivated in Africa for the same purpose as /'. vulgaris with us. 



Local name, habas. Lima Lean. 



2. Phaseolus vulgaris L. 

 (Urban, 308 



Stem annual, wide-climbing; leaflets 3, the central one broad-ovate, l<> to 12..") cm. 

 long, acute, peduncles in pair-. 2.5 to 5 cm. long, 2 or 3-flowered; pedicel.- l.."> to 8.5 

 mm. long; calyx 0.6 mm. deep; corolla white or lilac. 2.5 cm. long; pod 10 to 12.5 cm. 

 long, 1 .2 cm. wide. 



Cultivated near Adjunta- at Junco and near Mayaguez. /'. i ulgaris is a commonly 

 cultivated Bpecies, not clearly known anywhere in a native -tate. 



The home of the common Lean. /'. vulgaris, as Wittmack ha- Bhown, is South Amer- 

 ica, w here nearly related species are ; d-o cultivated. Of this Bpecies there are innu- 

 merable varieties. The green pods are used as a vegetable in the form of "strii 



