Vol. 30, pp. 17-18 January 22, 1917 



PROCEEDINGS 



OF THE 



BIOLOGICAL SOCIETY OF WASHINGTON 



NEW NAMES IN AMYGDALUS. 

 BY P. L. RICKER. 



In accord with the tendency among botanists to place the 

 Peach and its allies in a genus distinct from the Plums and 

 Cherries several transfers from the genus Primus to the genus 

 Amygdalus become necessary. Those which we have had oc- 

 casion to use are as follows: 



Amygdalus dehiscens (Koehne) Ricker. 



Prunus dehiscens Koehne, Sarg. Plant. Wils. 1:271. 1912. 

 Amygdalus mira (Koehne) Ricker. 



Prunus mira Koehne, Sarg. Plant. Wils. 1 : 272. 1912. 

 Amygdalus mongolica (Maxim.) Ricker. 



Prunus mongolica Maxim. Bull. Soc. Nat. Mosc. 45:16. 1879. 

 Amygdalus nana campestris (Bess.) Ricker. 



Prunus nana campestris Bess. Ennm. Plant. Yolk. 46. 1822. 

 Amygdalus nana cochin- chinensis (Bailey) Ricker. 



Prunus nana cochin-chinensis Bailey, Cycl. Am. Hort. 3: 1456. 1901. 

 Amygdalus nana rubra Ricker. 



Prunus nana rubra Hort. Gard. Chron. III. 52:390. suppl. pi. 1912. 

 Amygdalus davidiana alba (Carr. ) Ricker. 



Persica davidiana alba Carr. Rev. Hort. 76. 1872. 



Prunus davidiana alba Bean, Garden 50:165. 1896. 

 Amygdalus persica densa (Makino) Ricker. 



Prunus persica densa Makino, Tokyo Bot. Mag. 16:178. 1902. 

 Amygdalus persica camelliaeflora Ricker. 



Prunus persica camelliaeflora Hort. in Bailey, Stand. Cycl. Hort. 

 5:2833. 1916. 

 Amygdalus persica platycarpa (Decne. ) Ricker. 



Persica platycarpa Decne. Jard. Fruit. Mus. 7:42. pi. 1872-75. 



Prunus persica platycarpa Bailey, Cycl. Am. Hort. 3:1457. 1901. 

 Amygdalus persica potanini (Batal.) Ricker. 



Prunus persica potanini Batal. Act. Hort. Petrop. 12:164. 1892. 



fi— Proc. Biol. Soc. Wash., Vol. 30, 1917. (17) 



