A. W. SIÏTO.N". — CROISI'ME.NTS KNTIîK I.E POIS SAUVAGE ET LES POIS llE COMMERCE. Ô6h 



Criiiseiiicnt avec le type ù fleurs bicolores (Rose et blanche) 

 ijraines grises ou tachetées {Pisum arvense). 



1 cixiiscaii'iil fiiil, 1rs vaiiéli's \ 



cmpldxros rUiient : / 



l.e Pois de Palestine el, > l'.cllf-ti u'ii pas yenué. 



Capucin hollandais avec lleiii- \ 



<lo Lathyriis. ] 



t'roiseiiietils variété bicolore éi /leurs irise ri lilanclie ilii tijpc uiiiliellalum 

 ijraine rimle ijrise (l'isuai arrense). 



5 croiseiiii'iils liiils, les vai-i 



tés i'iii|il(i\ï'i's (■■liiiciit : 

 Le Pois .!.■ l'.il'.'Miih' l'I f -1 nuMl p; 



le pois appelé » Miiiiiiiiy J I iiKiiiiiit iinniéiliatenieiil a|ii-és la fieriiiiiialinii 



Pea » ou « Pois liirc » i 



« Pois couronné «. 



Croiseiiient ar:c lijiie éi /leuis tiicolores foncées, dit l'ois Maïujcloul. ou l'ois sans 

 l'iirrheiuiii, à coises rétreeies ou resserrées, ijraines rondes de couleur grise. 



1 ccoisenienl l'ail, les variétés 1 



employées étaient : j 



Le Pois de Palestine et > l'ieuril, mais ne produisit aucuiie ^l'aine. 



Le Pois sans l'arclieniin à hu'^e \ 



cosse. ) 



EXPERIMENTS IN CROSSING A WILD PEA FROM PALESTINE WITH COMMERCIAL PEAS 



WITH THE OBJECT OF TRACING ANY SPECIFIC IDENTITY BETWEEN 



THIS WILD PEA AND PEAS OF COMMERCE 



SU MM A H Y 



When Iravelling iii Ptilesliiie in l'JOi I iioticed growing wild a wcakstem- 

 med Pisum aboiit a mètre in heighl, and bearing very small pods. The planl 

 iiad passed Ihe flowering slag.\ but judging by Ihe facl tliat there appeared to 

 be no pui-ple colour in the axil^, I supposed it would be while ilowering, and it 

 al once occui-ed lo me thaï it tnight pi-ove lo be an extremely elemental type of 

 Ihe cuHnary Pca Pistim satirmn. In Ihis however I was disappointed, as when 

 on my felurn home I iiai'vesti-d the secd it proved to be olive gi-een, heavily, 

 motlled willi brown, vai-ying lo dark Ijrown colour. I gi-e\v the seeds under 

 gla,ss at home, and was able to note tiie following pecuHarilies which marked 

 it as an entirely dilTei-ent type of Pisum lo anyliiing I had previously mel with. 

 Il had serrale leaflels, self-coloured magenta flowers (not bi-color) and lacked 

 Ihe colour in the axils usually correlaled with coloured flowers. The small 

 obluse pods were also curious in thaï they conlained a ^^hile woolly substance 

 similar to thaï found in Ihe pods of Fèves. 



Il appeared lo somewhal resemble in gro\\ Ih a lype I had oblained from 

 the Botanic Gardens, Kew, uaderlhe namc of l'isuin quadratum, hni this latter 

 allhough il also bas no colour in Ihe axils, dilfers from the Palestine Pea in 

 Ihat Ihe flowers are l>i-color (nol self-coloured), Ihe leaflels are entire, and the 



