Paraa. A: 10 



other kiiovm species of Heterodeia . 



H. gtfttingiana . Type host, garden peas (Pisum sativum L.)- Also other 

 Leguminosae, but according to Oostenbrink (195l)j this species does not 

 attack beans ( Phaseolu s vulgaris L.)j clover ( Trifolium spp.)j alfalfa 

 ( I'ledicago sativa L.), or soybeans ( :"')oya max Piper) . 



R. trifolii. Type nost, red clover (Trifolium pratense L.)- Also other 

 Leguminosae, including beans ( Phaseolus vulgaris L.), but not peas ( Pisum 

 sativum L.), alfalfa, or soybenas. (Oostenbrink, 19^1) • 



H. glycines. Type host, soybean ( Glycine max L.). Also snap bean ( Phas - 

 eolus vulgaris L.)j Adzuki Bean (P. annularis ), vetch ( Vicia sp.), Annual 

 lespedeza ( Lespedeza stipulacea Maxim. ), Henbit ( Lamium sp. ) . 



H. major. Type host, oats ( Avena sativa L.). Also other Gramineae 

 ^Oostenbrink, 1950) . 



H. cruciferae . Type host, cabbage ( Brassica oleracea L.). Also other 

 Gruciferae. 



H. carotae . Type host, carrot ( Daucus carotae L.). Wild carrot (Daucus 

 carotae ) is the only other kno\im host (Jones, 1950b). 



H. humuli. Type host, hops ( Humulus lupulus L.). Also other Urticaceae. 



H. galeopsidis . Type host, hemp nettle ( Galeopsis tetrahit L.). Also 

 other Labiatae and some species of Chenopodiaceae and Carophyllaceae 

 (Jones, 1950b). 



H. fici. Type host, mbber plant ( Ficus sp.) 



H. weissi. Type host, knotweed ( Polygonum pensylvanicum L.). No other 

 hosts kno^-m. 



H. cacti . Type host, Phyllocactus ( Epiphyllum ackermanni ). Also other 

 Cactaceae. 



H. rostochiensis . Type host, potato (Solanum tuberostim L.). Also tomato 

 ^ycopersicon esculentum Mill.) and a few other species of Solanaceae 

 (Oostenbrink, 1950), but not tobacco (Nicotiana tabacum L.) (Taylor, 1952) 



H. tabacum. Type host, tobacco (Nicotiana tabacum L.) and tomato. 



H. punctata . Type host, wheat ( Triticum vulgare Vill.). Also other 

 Gramineae. 



Species of other plant families than those mentioned above have been 

 reported as infected by nematodes of the genus Heterodera. Some of these 

 may be attacked by known species, but it is highly probable that others 

 are attacked by species as yet undescribcd. Among these should be men- 

 tioned the species found attacking sea marram grass ( Ananophila arenari a 



