LEGUMINOS.E ROSACEA 



:;i!i 



7. PHASfiOLUS. Bean. 



Tender herbs, often twining, the flowers never yellow, and the pinnate 



leaves of 3 leaflets: flowers usually in clusters on the joints of the raceme 

 or at the end of the peduncle, the keel (in- 

 closing the essential organs) coiling into 

 a spiral: fruit a true legume. 



P. vulgaris, Linn. Common hum. 

 Figs. 282-3, 285-6, 471. Annual: twining 

 (the twining habit bred out in the "bush 

 heans"i : leaflets ovate, the lateral ones 172. Phaseolus 

 unequal-sided: flowers white or purplish, lunatus. 

 the racemes shorter than the leaves: pods narrow and 

 nearly straight. Probably from tropical America. 



,-, , . , P. lunatus, Linn. Lima bean, Fig. 17_\ Annual: 



471. Ftaaseolus vulgaris. 



tall-twining (also dwarf forms): leaflets large: flowers 

 whitish, in racemes shorter than the leaves: pods flat and curved, with a 

 few large H.it seeds. South America. 



P. multiflbrus, Willd. Scarlet runner bean. Peren- 

 nial in warm countries from a tuberous root, tall twin- 

 ing : leaflets ovate: flowers bright scut-let (white in 

 the "Dutch Case knife bean") and showy, the racemes 

 exceeding the leaves: pod long and broad but not flat. 

 Tropical America; cultivated for ornament and fori 1. 



- VlGNA. Cow-pba. 



473. 

 Sinensis 



Differs from Phaseolus chiefly in technical charac- 

 t. i - . one of which i- the curved rather than coiled I' I 

 of the flower. 



V. Sinensis, Endl. Cow-pea. Black /" 8tock 

 I**". Fig. 17.:. Long-trailing or twining, tender annual: leaflets narrow 

 ovate: flowers white or pale. 2 or ': on the apex oi a verj long peduncle, the 

 standard rounded: pod Blender and long, cylindrical : Beed (reallj a bean 



rather than pea) -mall. Bhoii oblong. China. Japan; much grown South 



for forage. 



XVII. ROSACEvE. Ro I mii.y. 



Herbs, shrubs and tree-, much like the Saxifi leaves 



alternate, mostly with Btipules (which are often deciduous): flowers 

 mostly perfect and polypetalous, the stamens usually perigynous: 

 Btamens mostly numerous (more than 20): pistils l to many: fruil 



an akene, follicle, berry, drupe, or a 'ssory. A very mixed or 



polymorphous family, largely of temperate regions, of about 7."> genera 



and 1 ,'_'<H I species. I '. v -oiue writ ei's divided into til TOO Of lour fatn i lies. 



