430 DIADELPHIA DECANDRIA 



7Vie P. nanus, Bush, or Bunoh Bean,— with short erect stem, more acuminate leaf 

 lets, and larger bracts,— is supposed to be only one of the many varieties, produced 

 by long culture. 



3. P. lunatus, L. Stemvolubile, smoothish; leaflets deltoid-ovate 

 acute i racemes subpedunculate ; calyx-bracts shorter than the calyx, 

 legumes broad, compressed, scymitar-form, somewhat lunate $ seedt 

 compressed. Willd. Sp. 3. p. 1031. 



Lunate Piiaskolus. Vulgo — Lima Bean. 



Root annual. Stem 6 to Sfect long, smoothish, branching, volubilc and climbing 

 Leaflets 2 to 3 or •! inches long, and 1 to 2 or 3 inches wide, acute, or sub-acumin* 

 ate, nearly smooth, slightly rugose-veined beneath, the terminal ones deltoid-ovate 

 the lateral ones much and obliquely dilated on the outer side at base ; common peii 

 oles 2 to 5 cr 6 inches long, rather slender ; stipules small, huue-ovatc. Racemes 

 looseflotcered, on peduncles about 2 thirds of an inch long (often a pedicel at th 

 base of the common peduncle); pedicels 1 third to half an inch long, with small 

 ovate bracts at base. Calyx sotnewhat pilose, with 2 oval oblong bracts at bate 

 shorter than Ihe calyx. Corolla greenish white, small; vexillum roundish, cttuir. 

 ginate, recurved, greenish. Legume 2 to 3 inches long, and about an inch tcide 

 compressed, somewhat lunate, smooth, 3 or 4 seeded. Seeds large, much compressed 

 Hab. Gardens, and Lots: frequent* Fl. July— August. Yr. September— Octo. 



Obs. Cultivated for the tables the large seeds, only, being eaten. 



4. P. vexillatus, L ? Stem volubilc, mostly trailing, pilose ; leaflets 

 deltoid-oblong, and ovate-oblong ; racemes few-flowered, subcapitate 

 on very long peduncles ; vexillum very large ; legumes linear, pilose. 

 Beck, Bot. p. 92. 



P. peduncularis. Bart. Phil 2. p. 81. 



P. hclvolus. Mx. Am. 2. p. 60. Muhl. Catal. p. 64. EooJc ? Am. 1. 



/>. 162, Also? Willd. Sp. 3. p. 1032. Pers. Syn. 2. p. 295. Jtil 



Kew. \.p. 289. Pursh, Am.2. pA70. DC. Prodr.%. p. 395, Lindi 



Ency. p. 614. Beck, L c. 



P. Sub-genus Strophostylcs. Eat. Man. p. 258 — 9. 



Also, Glycine umbellata. Willd. Sp. 3. p. 1058. Pers. Syn. 2. p. 300. 



Muhl. I. c. 



Also, G. pcduncularis. Muhl. I. c. 



Dolichos vexillatus. Nutt. Gen. 2. p. 112. Also? D. hclvolus. Nutt. 



Strophostylcs pcduncularis. Ell. Sh. 2. p. 230. 



5. hclvolus. Torr. Comp. p. 270, Also? Ell. I. c. 



Vexillate, or Bannered Phaseolus, 



Root perennial, Muhl. Torr. Deck, ice. (annual, Willd. kc). Stem 2 to 4 feet 

 long, slender, angular-striate, retrorsely pilose, branching, volubilc and climbing* 

 or more usually trailing. Leaflets 1 to 2 inches long, and 1 fourth of an inch to 

 an inch wide, varying from sublinear to deltoid and ovate-oblong, rounded and often 

 ovately dilated at base, tapering to the apex which is mostly rather obtuse, some* 

 times obscurely sinuate on the margin towards the base, reticulately veined, more 

 or less pilose with appressed hairs ; comnum petioles half an inch to an inch and 

 half long ; stipules lance-oblong, nerved. Racemes subcapitate, 3 to 5 or 7-flow. 

 ered, at the summit of solitary axillary peduncles,— which are 3 to 6 or 8 inches 

 long, angular and slightly pilose, more densely and retrorsely pilose at the base 

 of the raceme ; pedicels short, with small lance-ovate bracts at base. Calyx pilose 



