266 WILSON EXPEDITION TO CHINA 
Prunus japonica, a japonica Maximowicz in Bull. Soc. Nat. Mosc. LIV. 
12 (1879), sed exemplaria ab auctore ipso determinata pro parte ad P. glandu- 
losam pertinent. 
Prunus japonica typica Matsumura in Tokyo Bot. Mag. XIV. 135 (1900), an 
huc pertinet? 
CONSPECTUS FORMARUM 
Flores simplices. Ovarium 1. 
Folia brevius latiusque acuminata, dentes primariae breviores obtusiores, haud 
exacte triangulares. Rami minus graciles, erecti, virgati. var. eujaponica. 
Folk adus subs BBDEN 4s ce oT E ELA f. Fauriei. 
Folia adulta subtus in costa ac plerumque etiam in nervis hirtella. f. Oldhamii. 
Folia longius angustiusque caudata, dentes primariae longiores, acutiores, exacte 
triangulares. Rami expansi, ramuli gracillimi, subdeflexi. var. gracillima. 
Flores pallide rosei v. carneo-afflati v. albi. 
Folia adulta subtus glabra. Flores pallide rosei . . . . . f. Thunbergii. 
Folia adulta subtus in costa nervisque breviter hirtella. 
Petala majora, eürneo-adisin . . ... —. 4. 5 40. x rut f. Engleri. 
Potala unoms alba Se ee . f. minor. 
Flores intense rosei. (Foliorum indumentum mihi ignotum) . . f. sphaerica. 
Flores semipleni, petalis staminibusque numerosis. Ovaria semper fere 2. 
var. Kerit. 
Prunus japonica, var. eujaponica Koehne, n. var. 
Rami ramulique erecti virgati, sat graciles. Folia e basi rotundata v. vix sub- 
cordata ovata, acuminata acumine sat brevi latoque, obtuso, dentes primariae 
breviusculae, obtusae, haud exacte triangulares. Flores simplices. Ovarium 1. 
Forma Fauriei Koehne, n. f. 
Folia adulta subtus glabra. Pedicelli fructiferi 1-3ni, 4-10 mm. longi. Putamen 
6.6:4.8:4.3 mm., carina 3 mm. lata. p 
Japan: Buerger (in the Rijks-Herbarium, Leyden, as P. japonica); U. Faurie 
(No. 3158). 
Forma Oldhamii Koehne, n. f. i 
Folia adulta subtus in costa ac plerumque etiam in nervis breviter hirtella. Pedi- 
celli floriferi ac fructiferi 7-10 mm. longi. Stylus basi villosus. Putamen 7.5:- 
5.5:5 mm. v. 8:5.5:5.5 mm., carina 2-3 mm. lata. 
Hupeh: A. Henry (No. 3598 A). Japan: J. J. Rein; Nagasaki, 1862, R. 
Oldham (No. 200). 
Prunus japonica, var. gracillima Koehne, n. var. 
Rami expansi, ramuli gracillimi, subdeflexi. Folia e basi cordata v. rarius rotun- | 
data ovata, longe angusteque caudata cauda acuta v. obtusiuscula, dentes primariae 
longiores, acutiores, fere exacte triangulares. Flores simplices. Ovarium 1. 
It is probable that this variety will prove to be a distinct species. 
Forma Thunbergii Koehne, n. comb. 
Prunus japonica, var. Thunbergii Koehne in Fedde, Rep. Nov. Sp. VIII. 23 
(1910). 
Folia adulta subtus glabra. Pedicelli 4 mm. longi; petala 5 mm. longa, rosea; 
Stamina ad 3.5 mm. longa; stylus basi parce pilosus. 
Cultivated in the Spüth Arboretum near Berlin, received from St. Petersburg. 
Forma Engleri Koehne, n. comb. 
Prunus japonica, var. Engleri Koehne, l. c. 2 
Folia adulta subtus in costa nervisque breviter hirtella. Pedicelli plerumque 
