Griffiths, David,  1867-1935. <br/><br/>
Speeding up flowering in the daffodil and the bulbous iris. 
By David Griffiths. 
 - Washington,  U.S. Govt. print. off.  1936. 
 - 18 p.  5 pl. on 3 l.  23 cm. 
 - U. S.  Dept. of agriculture.  Circular no. 367 .
<br/><br/> Contribution from Bureau of plant industry. 
<br/><br/><label>LCCN: </label>agr36000118  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Daffodils.<br/>Forcing (Plants)<br/>Irises (Plants)
<br/><br/><label>LC Class. No.: </label>SB413.D12  / G72