Piper, Charles V.  1867-1926. <br/><br/>
A study of Allocarya. 
By Charles V. Piper. 
 - Washington,  Govt. Print. Off.,  1920. 
 - v, 79-113, vii p.  25 cm. 
 - Smithsonian Institution. United States National Museum. Contributions from the United States National Herbarium.  v. 22, pt. 2 .
<br/><br/><label>LCCN: </label>agr20000802  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Popcorn flowers.
<br/><br/><label>LC Class. No.: </label>QK1  / .U5 Suppl.