ROSACE AE . — PRUNUS 267 



7-13 mm., fructiferi ad 18 mm. longi; petala 8-10 mm. longa, carneo-afflata; 

 stamina 6-8 mm. longa; stylus glaber v. basi densiuscule tenere villoaus. Drupa 

 11:9 mm., apiculata, rarissime 17:16 mm., obtusissima; putamen 8.5-10:5.3-7: 

 6.8-7 mm., carina 3.6-4.5 mm. lata. 



Mandshuria: on the upper Ussuri, 1860, C. J. Maxiinowicz (Iter II., as P 

 japonica ^ glandulosa, in the Herb. Bot. Mus. Berlin mixed with P. glandulosa) ; at 

 the frontiers of China towards Ninguta, Goldenslaedt (as P. japonica, /3 glandulosa 

 Maximowicz) ; purchased at R. R. station near Harbin, August 1903, C. S. Sargent 

 (mixed with P. humilis Bunge). 

 Cultivated in Europe. 



Forma minor Koehne, n. f. 



Folia subtus in costa nervisque breviter hirtella. Pedicelli 4 mm. longi, glabri; 

 cupula nonnisi 2 mm. longa, sepala 2.2 mm., petala ad 7.5 mm. longa, alba; stamina 

 ad 4.5 mm. longa. Stylus glaber. 



Cultivated in the Spath Arboretum near Berlin. 



Forma sphaerica (Carrit^re) Koehne, n. comb. 

 Prunus japonica, var. sphaerica Carriere in Rev. Hort. 1890, 468, fig. 163, tab. 

 Flores intense rosei. Drupa globosa, circa 12 mm. diam., colore vini rubri. 

 I have not seen this form. 



Prunus japonica, var. Kerii (Steudel) Koehne, n. var. 

 Prunus japonica Ker-Gawler in Bot. Reg. I. t. 27 (1815). — Decaisne in Rev. 



Hort. 1852, 301, t. 

 Amygdalus pumila Sims in Bot. Mag.'XLVII. t. 2176 (1820). 

 Prunus Kerii Steudel, Nomencl. Bot. ed. 2, 403 (1841), qui citat "Cerasu^" 



japonica Ker-Gawler. 

 Prunus japonica typica flore pleno, Zabel in Beissner, Schelle & Zabel, Handb, 

 Laubholz-Ben. 238 (1903), an hue pertinet? 

 Folia subtus glabra. Pedicelli 3 mm. longi (an semper?); petala numerosa, ex 

 iconibus intus alba, extus paUide purpurea. Ovaria semper fere 2, stylus basi 

 parce pilosus. Drupa secundum Ker-Gawler parva, putamine rugoso. 



Chekiang: Ningpo Mountains, 1891, Faber (mixed with P. Persica, and dis- 

 tributed as P. hirtipes). 

 Cultivated in England. 



?Prunus praecox Carriere in Rev. Hort. 1892, 488, fig. 142, 143. 

 Originated from repeated sowings of P. japonica, var. sphaerica and supposed 

 to be P. japonica X domestica. 1 have not seen it. 



107. PrxmUs Nakaii L6veill6 in Fedde, Rep. Nov. Sp. VII. 198 (1909). 

 Korea: mountains of Ouensan, July 1906, U. Faurie (No. 334); tiills of Chin- 



nampo, June 1907, U. Faurie (No. 77). 



Prunus Nakaii differs from P. japonica gracillima Engleri in the much longer and 

 more numerous hairs which cover the leaves beneath on the midrib and on the 

 veins and less densely on the whole surface. As the flowers are not yet known, 

 it seems better to retain P. Nakaii as a distinct species. The fruits had been 

 described as hairy but the hairs turned out to be particles of cotton sticking to the 

 fruits. 



108. Prunus carcharias Koehne, n. sp. 



Innovationes tenues, rectae, densissime ochraceo-liirsutae. Stipulae ad 12 

 mm. longae, ternatim digitatae, laciniis angustissime Unearibus ac pectinate- 



