=Boughton Early Black Duke.= _P. avium × P. cerasus._ =1.= _Lond. Hort. Soc. Cat._ 47. 1831. Mentioned in the reference given. =Boulebonner Kirsche.= _P. avium._ =1.= _Ill. Handb._ 47 fig., 48. 1867. _Bigarreau Hâtif Boulbon._ =2.= Mas _Pom. Gen._ =11=:103, 104, fig. 52. 1882. This cherry was introduced into Belgium from France some years previous to 1867. Tree not vigorous, but productive; fruit large, broadly cordate, variable in size and form, sides compressed; suture distinct, deepest near the cavity; apex slightly depressed; stem slender, usually long, set in a wide, shallow cavity; skin a glossy, rose-red color with a yellowish tinge, dotted and streaked with clear blood-red and washed with dark purplish-red; flesh yellowish-white, reddish-white under the skin, firm, juicy, rich, pleasing; stone large, oval, somewhat flattened, with a short point; partially clinging; ripens the last of June and, according to Oberdieck, hangs during wet seasons without cracking. =Bount Dantzic.= Species? =1.= _Lond. Hort. Soc. Cat._ 47. 1831. Mentioned in the reference given. =Bouquet-Herzkirsche.= _P. avium._ =1.= Dochnahl _Führ. Obstkunde_ =3=:23. 1858. =2.= _Ill. Handb._ 7 fig., 8. 1867. The tree of this variety has the growth of a Sweet Cherry with small, black, Heart fruits borne like the cluster cherries, one, two, three and four on the stem. The single fruits are roundish-cordate, with flattened ends while the double and triple fruits are more narrow and elongated; the fruit matures unevenly, having green, red and black fruits at the same time; pit roundish-oval, slightly pointed at the base, somewhat larger in the double fruits. =Bouquetweichsel.= _P. cerasus._ =1.= Christ _Wörterb._ 291. 1802. =2.= Truchsess-Heim _Kirschensort_. 519, 520, 521. 1819. This cherry was received by Truchsess in 1796 from Mayer under the name Bouquet-kirsche. Many of the flowers have six, seven, eight, and occasionally as high as twelve petals, with two or three pistils. Fruit usually very small, attached to a long, stiff, woody stem shallowly inserted; round, flattened beneath; suture shallow; flesh and juice reddish-black, with a bitterish-sour flavor, which it loses if allowed to remain on the tree; pit of medium size. =Boussieuer Knorpelkirsche.= _P. avium._ =1.= _Proskauer Obstsort._ 55. 1907. A variegated Sweet Cherry. =Bowers' Seedlings.= _P. cerasus._ =1.= _Ia. Sta. Bul._ =73=:64. 1903. Three seedlings originated with John Bowers, Sigourney, Iowa. No. 1.--Fruit medium, dark red; juice colorless; quality fair. No. 2.--Tree hardy; bears regularly; fruit large, oblate, roundish; stem long, slender; skin dark red; juice colorless; fair in quality; late. No. 3.--Fruit large, red to dark red; juice slightly colored, mild subacid; of very good quality. =Bowyer Early Heart.= _P. avium._ =1.= _Lond. Hort. Soc. Cat._ 47. 1831. =2.= Kenrick _Am. Orch._ 234. 1841. =3.= Mas _Pom. Gen._ =11=:15, 16, fig. 8. 1882.