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Primulaceae 



2. Primula nipponica Yatabe. Hinazakura. Resem- 

 bles P. cuneifolia but smaller; radical leaves 5-10, rather 

 fleshy, cuneate or obovate-cuneate, 2-4 cm. long, 5-15 mm. 

 wide, very obtuse, with few coarse teeth toward the tip, flat, 

 without distinct nerves; scapes 7-15 cm. long, 1- to 8-flow- 

 ered, the bracts small, linear, the pedicels 1-2 cm. long, loosely 

 granular-dotted; flowers not fully expanding, 12-15 mm. 

 across; calyx narrowly cup-shaped, about 4 mm. long, 5- 

 toothed to the middle; corolla white, the tube about 5 mm. 

 long, yellow on the throat, the lobes obliquely spreading; 

 capsules broadly ovoid-ellipsoid, slightly longer than to as 



long as the calyx. Wet alpine slopes; Honshu (Uzen, Ri- 



kuchu, and north w.). 



3. Primula macrocatpa Maxim. P. farinosa var. mistas- 



sinica sensu auct. Japon., non Pax; P. hayaschinei Petitm. 



HiME-KozAKURA. Small, glabrous perennial with short rhi- 

 zomes; leaves few, not farinose, broadly ovate or oval, 1-3 (-5) 

 cm. long inclusive of the petiolelike base, irregularly toothed 

 on the upper margin, nerves very slightly impressed on upper 

 side; scapes 5-10 cm. long; flowers 1-4, terminal, the bracts 

 linear, the pedicels erect, 7-20 mm. long; calyx tubular, 4-6 

 mm. long, 5-toothed to about the middle; corolla white, about 

 10 mm. across, the tube as long as the calyx; capsules cylindric, 



6-8 mm. long. June. Alpine; Honshu (Mount Hayachine 



in Rikuchu) ; rare. 



4. Primula modesta Biss. & Moore. P. farinosa var. 

 luteofarinosa forma japonica Fr. & Sav.; P. farinosa var. mo- 

 desta (Biss. & Moore) Makino; P. modesta var. shi\o\umon- 



tana Miyabe & Tatew. Yukiwari-so. Rhizomes short, 



often covered with the persistent marcescent leaves of the 

 previous season; leaves broadly cuneate-oblanceolate, 3-6(-10) 

 cm. long, 1-1.5 cm. wide, obtuse or subobtuse, gradually long- 

 narrowed to a petiolelike base, glabrous and not farinose on 

 upper side, densely yellow-farinose beneath, short-toothed on 

 the slightly recurved margin; scapes 7-15 cm. long, 3- to 10- 

 flowered; flowers small, terminal, the pedicels about 1 cm. long 

 in flower, 1.5-3 (-4) cm. long in fruit, loosely farinose; calyx 

 about 5 mm. long, short-tubular, 5-toothed to the middle; 

 corolla about 15 mm. across, rose-colored, the tube about 6 

 mm. long; capsules short-cylindric, 5-8 mm. long. May- 

 June. Mountains; Hokkaido, Honshu (centr. and n. distr.), 

 Shikoku, Kyushu. 



Var. fauriei (Franch.) Takeda. P. fauriei Franch.; P. 

 farinosa var. fauriei (Franch.) Miyabe; P. fauriei var. samani- 

 montana Tatew.; P. modesta var. samanimontana (Tatew.) 



Nakai Yukiwari-kozakura. Smaller, the leaves broadly 



ovate, obsoletely toothed, prominently recurved on the margin, 

 abruptly narrowed and long-decurrent on the petiolelike base; 



pedicels 1-2 cm. long. June-July. Mountains and rocky 



cliffs near the sea; Hokkaido, Honshu (n. distr.). s. Ku- 



riles. 



Var. matsumurae (Petitm.) Takeda. P. matsumurae 



Petitm. Rebun-kozakura. Rather stout; leaves oblance- 



olate, obscurely toothed, gradually narrowed to the base; scapes 

 stouter, about 10-flowered; capsules slightly longer. Hok- 

 kaido (Rebun Isl. and Teshio Prov.) . 



5. Primula yuparensis Takeda. Yubari-kozakuba. 

 Resembles somewhat the preceding species; rhizomes short; 

 leaves few, broadly lanceolate to spathulate-cuneate, 1.5-3 cm. 

 long, 1-1.5 cm. wide, obtuse to very obtuse, minutely toothed, 

 decurrent on a petiolelike base, slightly recurved toward the 

 tip, slightly white-farinose beneath; scapes 4-6 cm. long, 2- to 



3-flowered at the top, the bracts narrow, small, slightly inflated 

 at base on back, the pedicels about 1 cm. or sometimes to 2 cm. 

 long; calyx about 7 mm. long, slightly white-farinose, short- 

 tubular, 5-toothed to the middle; corolla pale rose-purple, about 

 1.5 cm. across, the tube twice as long as the calyx; capsules 



slightly longer than the calyx. July-Aug. Alpine regions; 



Hokkaido (Mount Yubari) ; rare. 



Primula sorachiana Miyabe & Tatew. Sorachi-kozakura. 

 Flowers 3-10 (-17) on the scape, the pedicels slightly de- 

 clined; calyx 4-5 mm. long, the tube half as long as the lobes; 

 corolla 10-13 mm. across; capsules nearly as long as the calyx. 



Reported from Kanayama, at the foot of Mount Yubari in 



Hokkaido. This may be only a variant of P. yuparensis. 



6. Primula japonica A. Gray. Kurin-s6. Rhizomes 

 stout and branched, loosely tufted; leaves few, glabrous, obo- 

 vate-oblong to oblong-oblanceolate, 15-40 cm. long, 5-13 cm. 

 wide, very obtuse, gradually narrowed below to a petiolelike 

 often reddish base, with short deltoid teeth, the midrib thick, 

 white, usually reddish on under side; scapes terete, 40-80 cm. 

 long, glabrous, the flowers whorled at intervals, the bracts lin- 

 ear, the pedicels obliquely spreading, ascending in fruit, 2-3 

 cm. long; calyx narrowly cup-shaped, 6-8 mm. long, slighdy 

 accrescent after anthesis, 7-10 mm. long in fruit, 5-toothed; 

 corolla rose-purple, rarely white, 2-2.5 cm. across, the tube 

 narrow, 15-17 mm. long, the lobes spreading; capsules globose, 



as long as to slightly shorter than the calyx, 7-8 mm. long. 



June-July. Wet places along streams in mountains; Hok- 

 kaido, Honshu, Shikoku, Kyushu; frequently cultivated. 



Formosa. 



7. Primula sieboldii E. Morren. P. cortusoides sensu 

 auct. Japon., non L.; P. cortusoides var. patens Turcz.; P. 

 cortusoides var. sieboldii (E. Morren) Nichols.; P. gracilis 



Stein. Sakura-so. White-pubescent perennial; rhizomes 



short-cheeping; leaves ovate to ovate-elliptic, 4-10 cm. long, 

 3-6 cm. wide, obtuse, cordate at base, shallowly incised and 

 irregularly toothed, more or less wrinkled on the upper sur- 

 face especially while young, the petioles 1-4 times as long as 

 the blades; scapes 15-40 cm. long, umbellately 7- to 20-flow- 

 ered at the top, the bracts narrowly lanceolate, the pedicels 

 2-3 cm. long in fruit, minutely puberulent; calyx 8-10(-12) 

 mm. long, tubular in anthesis, infundibuliform in fruit, 5- 

 cleft; corolla rose-colored, sometimes white, rarely rose-purple 

 in cultivated races, 2-3 cm. across, the tube 10-13 mm. long; 



capsules depressed conical-globose, about 5 nam. across. 



Apr.-May. Wet grassy places in lowlands along rivers; Hok- 

 kaido (s. distr.), Honshu, Kyushu. Much cultivated. Ko- 

 rea, Manchuria, and e. Siberia. 



8. Primula hidakana Miyabe & Kudo. Hidaka-fwaza- 

 kura. Rhizomes creeping, covered with brown marcescent 

 scales and persistent leaf bases; leaves 1-3, orbicular to deeply 

 reniform-orbicular, 1.5-4.5 cm. long, 2.5-5.5 cm. wide, loosely 

 pilose on upper side, or glabrous, pilose on the nerves beneath, 

 shallowly 7-lobed, the lobes depressed-deltoid, irregularly 

 toothed, the petioles 3-17 cm. long; scapes 5-12 cm. long, 

 longer than the leaves, glabrous, 1- to 2-flowered, the bracts 

 lanceolate, ciliate, small, the pedicels 1-2 cm. long; calyx scat- 

 tered short-pilose, nearly tubular, 6-7 mm. long, 5-cleft, the 

 lobes subobtuse, ciliate; corolla rose-colored, about 2.5 cm. 

 across, the tube about 1 cm. long, the lobes minutely ciliolate, 

 the throat yellow; capsules oblong-cylindric, 11-13 mm. long, 



about twice as long as the calyx. May. Rocky cliifs and 



ravines, alpine; Hokkaido (Hidaka Prov.) ; rare. 



