918 T. Nakai: Plantae novae Coreanae et Japonicae. Il. 
55. Sanguisorba unsanensis Nakai, nov. spec. 
S. officinale L. var. alba Nakai in Tokyo Bot. Mag., XXVI, p. 132 nom. nud. 
Differt a S. officinali floribus albis, segmentis foliorum angustis 
sessilibusque, et a S. tenuifolia quae foliorum forma similans inflores- 
centia abbreviata, staminibus brevibus differt. 
Caulis usque 75 cm altus. Folia 4—7-jugo-imparipinnata, segmentis 
sessilibus angustis infra glaucinis argute-serratis. Spica paniculata ab 
apice florens 1 em longa 1.5 mm lata. Sepala alba 4. Stamina 4 se- 
palis subaequilonga. 
Corea sept.: Unsan, 4. VIII. 1912 (H. Imai no. 136). 
56. Spiraea koreana Nakai, Fl. Kor., I, p. 173. 
S. Frischiana (non Schneid.) Nakai, |. c. 
Differt a S. Frischiana, cui valde affinis, foliis brevius petiolatis 
(2—4 mm) glabris, fructibus sparsissime pilosis. Nostra S. Frischiana sunt 
rami S. koreanae hornotini bene evoluti! 
Haee species est affinior ad S. japonica, essetque ejus subspecies, 
foliis saepe ovatis v. ellipticis v. late-ovatis non lanceolatis, caule foliis 
et inflorescentia semper glabris v. subglabris, fructibus subglabris. 
Frutex glaber. Pseudorhizoma repens. Caulis caespitosus v. laxe 
caespitosus, angulatus. Ramus angulatus et rubescens. Folia rami inno- 
vationis ovato-oblonga irregulariter duplicato-serrata, utrinque acuta, 
subtus glaucina, petiolis 2—3 mm longis rarissime 4 mm longis, laminis 
6-7 em longis 3—3,5 cm latis. Folia rami lateralis ovata, late-ovata, 
elliptica, lanceolata v. oblongo-lanceolata, basi cuneata v. acuta v. sub- 
rotundata, praeter basin integram irregulariter v. regulariter duplicato- 
serrata subtus glauca, petiolis 1—3 mm longis rubescentibus, Jaminis 
1—6 em longis. Inflorescentia corymboso-paniculata, rami innovationis 
10 cm diametro, rami lateralis 4 cm diametro, Calyx turbinatus 10- 
nervius, dentibus 5 inflato-triangularibus sub anthesin erectis sed demum 
reflexis. Petala alba rarius lilacina (in var. rosea) rotundata 1,3—1,7 mm 
longa late-ovata v. rotundata. Stamina numerosa petalis duplo-longiora. 
Glandulae 10—11 integrae v. bilobae. Pistilla 5. Carpella ventre pi- 
losa, stylis persistentibus 1,2 mm longis terminata 2—3 mm longa. 
«. typica Nakai. a 
Carpella 2—2,5 mm longa. Petala alba v. pallide lilacina. 
Corea: In monte Namsan, 25. VI. 1902 (T. Uchiyama), circa Chó- 
mok-dong, 10. VIII. 1912 (T. Uchiyama), Chyang-syong, 17. VIII. 1912 
(H. Imai), in monte Chirisan, 7. VII. 1913, 1. VII. 1913 (T. Nakai no. 396, 
166), Chirubulsusan, 9. VII. 1918 (T. Nakai no. 696). 
8. rosea Nakai. 
Petala rosea. 
In monte Chirisan: Rara, 1. VII. 1913 (T. Nakai no. 415). 
y. macrogyna Nakai in Tokyo Bot. Mag., XXVI (1913), p. 132 
nom. nud. 
Petala 2—2,3 mm longa. Carpella 2,8—3 mm longa. : 
Corea: In monte Paik-pyóksan, 10. VI. 1912, 24. V. 1912 (T. Ishi- 
doya) Koang-neung, 7. VII. 1912 (T. Mori), in monte Peukhansan. 
14. e (T. Uchiyama), in monte Kumgangsan, 22. VI. 1906 (Faurie 
no. y 
