SCIENTIFIC AND POPULAR. 307 



j. P. Mahaleb L. (C. MahalebMill. ). Southern Europe. Maha- 

 leb Cherry; Ger. Weichselkii-sche. Used as a stock for graft- 



k. P. maritima Wang. (P. spha3rocarpa Michx. ). Atlantic 

 coast, Virginia and northward. Beach Plum, Sand Plum. 

 Fruit esculent. 



1. P. nigra Ait. (P. mollis Tor., C. nigra Loisel, P. Amer- 

 icana r. & Gr., not Marsli.). Canada and northeastern U. S. ; 

 varieties cult. Canada Pkun, Horse Plum, Red Plum, Wild 

 Plum, Pomegranate*. Fruit esculent. 



m. P. Piidus L. (C. Padus Delarb. ). Europe. Bird Cherry, Hag 

 Cherry, Hag-berry, (Eg^-berry, Eck-berry, Hack-berry, Heck- 

 berry, Hic-berry), Fowl Cherry, Cluster Cherry, Cherry Bay; 

 Ger. Faulbaum. Fruit scarcely edible. 



n. P. Pennsylvailica L. f. (C. Pennsylvanica Lois., P. lanceolata 

 Willd., C. borealis Michx., P. persicifolia De-jf.). Canada aud 

 eastern U. S. Pin Cherry, Bird Cherry, Fire Cherry, Pigeon 

 Cherry, Red Chetry. Fruit small and sour. 



o. P. piiinila L. (C. pumila Michx,). New Jersey and north- 

 ward on Atlantic coast, also near the great lakes. Dwarf 

 Cherry, Sand Cherry, Beach Plum^'. Fruit acid. 



p. P. serotiua Erhr. (C. serotina Lois., P. Virginiana Mill., not 

 L. ) . Ontario to Florida, west to Texas and Dakota. Wild 

 Black Cherry, Cabinet Cherry, Choke Cherry*, Black. choke, 

 Rum Cherry, Whiskey Cherry, Wild Cherry; Ger. Araerikanis- 

 cher Ziersirauch; Fr. iJerisier de Virgiciie. Bark, Wild Cherry 

 bark; frunus Virginia la, U. S. P. (a misnomer that ought to 

 be corrected); Ger. Wild kirschenrinde; tonic, sedative. Fruit 

 small, edible but harsh. 



q. P. spinosa L. Europe, sparingly nat. in U. S. Sloe (Slea, 

 Sloo, Slon), Sloe-thorn, Black-thorn, Buck-thorn^, Black- 

 berry*, Hedge-picks, Slone-bl )om, Snag-bush, Wild Plum; 

 Ger. Schwarizdorn, Schlehe. A vr^riety, P. spinosa insititia 

 (L.) A. Gray, is the Bullace; Ger. Haferschlehe, Kriechen- 

 pflaume, perhaps the original of (h). 



r. P. Virginiana L. (C. Virginiana Lois.). Briti-^h America, 

 south to Georgia and Colorado. Choke Cherry, Wild Cherry. 

 Fruit very astringent, (s) P. ilicifolla (Nutt.) Walp. (C. 

 ilicil'olia Nutt.) of California is called Islay, Holly Laurel and 

 Evergreen Cherry; (t) P. subcordiita Benih., Oregon to 

 California, is the Wild Plum of the Pacific coast; (u) P, um- 

 bellata Ell., southeastern U. S., is the American Black Sloe. 



1(>69. PSACA.LIUM, Greene. P<acalium. Compositae. 



From Greek, a minute "drop", or "grain". Syn. Luina, in 

 part. Herb. One species, western U. S. 



1670. PSATHYR6tES, Gray (Psathyrotus). Compositae. 



From Greek, "brittle", of the bran -hes. Syn. Tetradymia, 

 Polydymia, Bulbostylis, in part. Low winter annuals. Four 

 species, Arizona to Nebraska. 



