84 TAKEDA—JAPANESE PRIMULAS. 
Lately I undertook a critical study of the Japanese Primulas 
in the Herbarium at Kew. During that time Professor Bayley 
Balfour was so kind as to give me the privilege of examining 
all the specimens of the Japanese Primulas preserved in the 
Herbarium of the Royal Botanic Garden, Edinburgh, and to 
give me valuable criticisms and encouragement, for which I 
express my sincere thanks. 
As the result of my study I recognise 11 species, 3 varieties, and 
2 forms as natives of Japan. Of each of them I give a short 
account in the following pages. As to the arrangement I gener- 
ally follow Pax,! although I do not always agree with him. 
P. SIEBOLDII, E. Morren. Plate XIV. 
P. Sieboldii, E. Morren, in Belg. Hortic., xxiii (1873), forma a. 
hortensis, Takeda. 
Syn. :— 
P. Sieboldit, E. Morr., Belg. Hortic., xxiii (1873), p. 97, tab. 6. 
P. Sieboldii, Pax, in Engl. Pflanzenreich, iv (1905), p. 22, 
pro parte. 
P. cortusoides, var. amoena, Lindl., in Gard. Chron. (1862), 
p. 1218; Hook., in Curtis Bot. Mag. (1865), tab. 5528. 
P. Sieboidii, E. Morr., forma 8. spontanea, Takeda. 
Syn. :— 
P. Sieboldiz, Pax, in Engl. Pflanzenreich, iv (1905), p. 22, pro 
parte. 
P. cortusoides (non Linn.), Thunb. Fl. Japon., p. 82; Maxim., 
Prim. Fl. Amur., p. 192; Migq., Prol. Fl. Japon., p. 283; Fr. et 
Sav., Enum. Pl. Japon., i, p. 299; Petitm., in Bull. Herb. Boiss., 
Vil (1907), p. 532. 
P. patens, Turcz.,in Bull. Soc. Nat. Mosc. (1838), p. 99, nom. nud. 
P. cortusoides, var. patens, Turcz., Fl. Baic.-Dah., ii (1856), 
p. 224. 
This species was first recorded from Japan by Thunberg, who 
took it for P. cortusoides, Linn. Many later botanists have also 
called it P. cortusoides, as the list of synonyms shows. The name 
P. cortusoides was also applied to another species, P. saxatilis, 
Kom., only recently described, although it has been cultivated in 
Europe over one hundred years. These three plants—P. Sieboldit, 
P. cortusoides, and P. saxatilis—stand in close relation, and 
particularly the two last mentioned are intimately allied. 
The only marked distinction between P. cortusoides, Linn., and 
P. saxatilis, Kom., is in the length of pedicels. They are as 
long as or a little longer than the calyx in P. cortusoides. They 
Bap mars in so eae ie x (1888-9) ; Pax et Knuth, Primulaceae in , 
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