20 ROOT-KNOT AND ITS CONTEOL. 



Table I. — List of plants susceptible to rooi-^noi— Continued. 



Name of plant. 



*Solanum sp.^ 



Sonchus arvensis L. Sow thistle 



Sonchus oleraceiis L 



*Spergula arvensis L. Spurry 



Spermadictyon suaveolens Roxb. {HamiUonia 

 spectabilis) . 

 *Spinacia oleracea L. Spinach 



* Spiraea cantoniensis Lour. Spiraea 



*Spondias lutea L. Hog plum 



XStephanotis sp 



*Stizolobium pachylobium. Piper and Tracy. . . 



■fStizolobium pruriens (L.) Medic 



\Stizolobium deeringianum Bort ( Mucuna utilis). 



Velvet bean. 

 Strelitzia nicolai Reg. and Koern. Bird-of- 



paradise flower. 

 *Syncarpia glomulifera (Sm.) Niedenz 



* Tamarindus indica L. Tamarind 



* Tanacetum vulgare L. Tansy 



Taraxacum officinale Weber. Dandelion , 



* Tetrapanax papyrifer (Hook. ) Koch . Japanese 



paper plant. 



Thea sinensis L. Tea 



J Theobroma cacao L. Chocolate or cacao , 



Theophrasta crassipes Lindl 



* Thunbergia fragrans Roxb 



* Tragopogon porrifolius L. Salsify 



* Trichosanth.es cucumeroides (Ser.) Maxim , 



*Trifolium alexandrinum L. Egyptian clover, 



Berseem. 



* Trifolium incarnatum L. Crimson clover 



* Trifolium pratense L. Red clover 



* Trifolium re pens L. White clover 



* Trigonella foenum-graecum L. Fenugreek 



Triticum aestivum L. (T. sativum). Wheat. . 

 Triumfetta rhomboidea Jacq 



*Tropaeolum majus L. Nasturtium 



* Tropaeolum minus L. Dwarf nasturtium 



* Ulmus campestris L. European elm 



* Verbascum thapsus L. Mullein 



Verbesina occidentalis (L.) Walt. Crownbeard. 



*Verbesina virginica L. {V. sinuata). Crown- 

 beard. 



* Veronica peregrina L. Speedwell 



* Veronica tournefortii Gmelin 



X Viburnum lantana L. Wayfaring tree 



t Viburnum tinus L. Laurestine 



* Vicia atropurpurea Desf 



* Vicia faba L. Horse bean 



* Vicia fulgens Battand. Scarlet vetch 



* Vicia hirsuta (L.) S. F. Gray 



* Vicia monanthos (L.) Desf 



* Vida narbonensis L. Narbonne vetch 



* Vicia pseudocracca Bertol 



* Vicia sativa L. Vetch 



* Vicia villosa Roth. Hairy vetch 



* Vigna repens Baker 



Name of observer. 



Tarnani. 

 Frank... 



Comu. 



Voigt. 



Piper and Cobb ^. 

 Rolfs 



Ross. 



Licopoli. 



Barber 



Ritzema Bos 

 Comu 



Atkinson. 



Date of 

 observa- 

 tion. 



1898 

 1885 



1879-1 



1890 



1910 

 1898 



1883 



1877 



1901 



1900 



1879-1 



1889 



Frank. . . 



....do.. 

 Sheldon. 



Soraucr 



G. A. Gammie ^. 



Neal. 



.do. 



Frank . . 

 Kieffer. 



1885 

 1885 

 1905 



1906 

 1908 



1889 

 1889 



1896 

 1901 



> Species distinct from the preceding. 



sin letter. 



Charac- 

 ter of 

 injury. 



217 



