New YorK AGRICULTURAL EXPERIMENT STATION, 239 
WHITE FLOWERS OF ALFALFA. 
Westgate’*? describes alfalfa flowers as “ purple, rarely white.” 
The writers have seen many alfalfa flowers which were nearly 
white, but only one plant which produced pure white flowers. Per- 
cival’s statement!** that the flowers of Medicago sativa are some- 
times yellow is probably an error. 
DO* ALFALFA ROOTS CLOG: TILE DRAINS. 
It is said that tile drains are sometimes clogged by alfalfa roots. 
The writers have heard of a few such cases in New York, but have 
never seen one. On this subject, J. E. Wing of Mechanicsburg, Ohio, 
says :'*" “ We find that where the tile runs to a spring with run- 
ning water the year around the tile will become choked with alfalfa 
roots every four or five years, but where there is only the ordinary 
surface water to take care of there will be no trouble from roots 
choking the tile.” 
BIBLIOGRAPHY: 
1. Atkinson, Geo. F. Nematode root-galls. Ala. Sta. Bul. 9. (Science 
Contributions. -Vol. I., No. 1). 1880. 
2. — — Contribution to the biology of the organism causing legu- 
minous tubercles. Bot. Gaz. 18:157-166; 226-237; and 257-266. 1893. 
3. Bain, S. M. and Essary, S. H. A new anthracnose of alfalfa and red 
clover. Jour. Mycol. 12:192. 19006. 
4. —— Selection for disease-resistant clover; a preliminary report. 
Tenn. Sta. Bul. 75. 1900. 
5. Bessey, C. E:- The passing of the Russian thistle. Proc. Soc. Prom. 
Agr. Sci. 20:83-85. [1899]. 
6. Brand, C. J. Peruvian alfalfa: A new long-season variety for the 
Southwest. U. S. Dept. Agr. Bur. Plant Indus. Bul. 118. 1907. 
7. Bresadola, J. Fungi aliquot saxonici novi lecti a W. Krieger. Hed- 
WIZl 39°325-328. 1900. 
8. Briosi, G. and Cavara, F. I funghi parassiti delle piante coltivate od 
utile. “Pavia. 
@ Brown; Edgar. Alfalfa seed. U. SS Dept.y.Agr. Farmers’ Bul. 194. 
1904. 
10. Bruner, L. and Hunter, W. D. Preliminary report on insect enemies 
of clover and alfalfa. Nebr. State Bd. Agr. Rpt. 1898:239-285. 
fr) bufun, B. C. Alfalfa as a hay crop. Wyo. Sta. Bul. 43. 1900. 
12. Caspary, R. Ueber Samen, Keimung, Specien und Nahrpflanzen der 
Orobancheen. Flora 37:577-588; 593-603. 1854. 
13. Chester, F. D. Diseases of alfalfa. Del. Sta. Rpt. 2:94-97. 1890. 


78 Westgate (107). 
™ Percival (78). 
™ Wing (113). 
