Geraniaceae 



579 



obtuse, appressed short-pilose above and on nerves beneath; 

 stipules usually connate, small, rather leaflike; peduncles and 

 pedicels retrorsely appressed short-pilose; flowers about 2 cm. 

 across, rose; petals with deeper colored striations, loosely long- 

 hairy near base on upper side; free portion of st^'le 3-3.5 mm. 

 long. Honshu (Chugoku Distr.). 



6. Geranium yesoense Fr. & Sav. G. dahtiricum sensu 



auct. Japon., non DC. Ezo-furo. Rhizomes short, with 



thickened roots; stems 30-80 cm. long, from a decumbent base, 

 retrorsely pilose; lower cauline leaves petiolate, 5-angled, orbic- 

 ular, somewhat depressed, cordate at base, 5-10 cm. wide, 

 deeply 5-parted nearly to the base, the lobes rhombic-obovate, 

 3-fid again and with a few deep incisions, obtuse to subacute, 

 spreading-pilose; stipules free or connate, brown, membra- 

 nous; flowers rose-purple, 2.5-3 cm. across; sepals with long 

 spreading hairs; petals densely white hairy near base inside; 

 free portion of style about 5 mm. long. July-Aug. Hok- 

 kaido, Honshu (Mount Ibuki in Oomi, and eastw.); rather 

 variable. 



Var. nipponicum Nakai. Hakusan-furo, Aicanumi\-furo. 

 Less pubescent with shorter, appressed hairs on stems and 



petioles; sepals usually without long hairs. Radier common 



in high mountains of Honshu (centr. and n. distr.). 



Var. pseudopalustre Nakai. G. miyabei Nakai Hama- 



FURO. Similar to the preceding variety but the leaves shal- 

 lowly incised, the lobes broader; sepals often sparsely long 



spreading-hairy. Near seashores of Hokkaido and n. distr. 



of Honshu. Kuriles. 



7. Geranium shikokianum Matsum. Iyo-furo, Shi- 

 KOKU-FURO. Stems 30-70 cm. long, coarsely pilose with re- 

 cur\'ed spreading hairs; lower cauline leaves petiolate, 5-angled, 

 rounded, slightly depressed, 5-10 cm. wide, deeply 5-lobed 

 to below the middle, the lobes rhombic-obovate, irregularly 

 incised, subacute to acute, appressed short-pilose on upper side, 

 with spreading hairs beneath especially on nerves; stipules 

 broad, connate, scarious, brown; flowers rose-purple, 2.5-3 

 cm. across, the pedicels with short retrorsely curved hairs on 

 upper part; sepals loosely long-pilose; free portion of styles 



5-6 mm. long. July-Sept. Honshu (Suruga Prov. and 



Chugoku Distr.) , Shikoku, Kyushu ; rather variable. 



Var. kaimontanum (Honda) Honda & Hara. G. \aimon- 



tanum Honda Kai-furo. Less pubescent; lobes of leaves 



acute; sepals without long hairs. Honshu (Kai Prov.). 



Var. yamatense Hara. Yamato-furo. Leaves deeply 



lobed and incised. Mountains; Honshu (Yamato Prov.). 



Var. yoshiianum (Koidz.) Hara. G. yoshiianum Koidz. 

 Yakushima-furo. Dwarf phase, 15-30 cm. high; leaves 



more densely pilose, 1-3 cm. across; pedicels nearly glabrous; 



flowers 2-2.5 cm. across. High mountains of Yakushima in 



Kyushu. 



8. Geranium sibiricum L. var. glabrius (Hara) Ohwi. 



G. sibiricum forma glabrius Hara Ichige-furo. Stems 



prostrate or long-decumbent, ascending, 30-80 cm. long, with 

 scattered, retrorse, appressed hairs; cauline leaves rather thin, 

 petiolate, 5-angled, orbicular, 4-7 cm. wide, cordate at base, 

 5-lobed to below the middle, the lobes narrowly rhombic, 

 acute, 3-fid, irregularly incised and few-toothed, appressed- 

 pilose on upper side, ascending-pilose beneath especially on 

 nerves; stipules free, narrow; flowers solitary, rarely paired, 

 pale rose to white, about 8 mm. across; sepals short-pilose; 

 free portion of styles about 1 mm. long. July-Sept. Grassy 



places in lowlands; Hokkaido, Honshu (n. distr.). A vari- 

 able plant occurring widely in Korea, China, Sakhalin, Kuriles, 

 and Siberia. 



9. Geranium thunbergii Sieb. & Zucc. G. ncpalcnse var. 



thunbcrgii (Sieb. & Zucc.) Kudo Gen-no-shoko, Furo-so. 



Decumbent or prostrate at base, then ascending to erect, 30-50 

 cm. high, softly pubescent; leaves petiolate, depressed-orbicu- 

 lar, 3- to 5-Iobed to below the middle, the lobes obovate, obtuse, 

 shallowly 3-fid, irregularly few-toothed, appressed-pilose above, 

 with curved ascending hairs on nerves beneath, the stipules 

 free, narrow; flowers in pairs, 1-1.2 cm. across, pale rose or 

 rose-purple, short-pubescent, with long spreading glandular 

 hairs on sepals and pedicels; free portion of styles about 2 

 min. long. July-Oct. Grassy places in lowlands; Hok- 

 kaido, Honshu, Shikoku, Kyushu. Kuriles, Ryukyus, For- 

 mosa, Korea, and China. 



10. Geranium wilfordii Maxim. G. iinumae Nakai; G. 

 \rameri var. iinumae (Nakai) Nakai; G. iinumae var. asiati- 



cum Koidz. Mitsuba-furo, Fushidaka-furo. Stems 40- 



80 cm. long, decumbent, with short, retrorsely appressed hairs; 

 cauline leaves petiolate, 3- to 5-lobed to below the middle, 

 shallowly cordate, 5-8 cm. wide, the lobes nearly rhombic, 

 acute to acuminate, irregularly incised, appressed-pilose on the 

 upper side and on die nerves beneath; stipules free, narrow; 

 flowers in pairs, 1-1.5 cm. across; sepals short-pilose; petals 

 pale rose with deeper colored nerves; free portion of styles 

 about 3 mm. long. July-Oct. Lowlands and hills; Hok- 

 kaido, Honshu, Shikoku, Kyushu. Korea. 



Var. hastatum (Nakai) Hara. G. hastatum Nakai, non 



Andr. Hokagata-furo. Lobes of upper leaves narrower, 



ovate-lanceolate to narrowly ovate, gradually narrowed at tip, 

 widi nearly equal teeth, the lateral lobes spreading; sepals 



loosely long-pilose. Near Nikko in Honshu. Korea, 



Manchuria, Amur, and China. 



Var. yezoense Hiyama. Ezo-mitsuba-furo. Leaves with 

 appressed short pilose hairs beneath. Hokkaido. 



11. Geranium tripartitum R. Knuth. G. robertianum 



var. glabrum Fr. & Sav.; G. wilfordii Maxim., pro parte 



Ko-furo. Stems 30-50 cm. long, decumbent, loosely and 

 retrorsely pilose; leaves petiolate, 3-sected, loosely pilose on 

 upper side and on nerves beneath, the segments 2-4 cm. long, 

 rhombic-ovate, obtuse to subacute, the lateral segments 

 obliquely ovate, often 2-fid, coarsely few-toodied, the petioles 

 with retrorsely appressed and recurved short hairs, the 

 stipules free and narrow; flowers in pairs, pale rose, 1.2-1.5 cm. 

 across, the pedicels retrorsely short-pilose; sepals loosely long- 

 pilose; free portion of styles about 1.5 mm. long. Aug.-Sept. 



Honshu, Shikoku, Kyushu. Korea (Quelpaert Isl.). 



12. Geranium robertianum L. Hime-furo, Shio-yaki- 

 furo. Rather soft, erect annual with spreading long soft 

 hairs, becoming glandular in the upper ones; stem-leaves petio- 

 late, 5-angled, 3(-5)-sected, soft, 3-6 cm. wide, the median 

 segments broadly ovate, obtuse to acute, rather pinnately dis- 

 sected, narrowed to a petiolelike base, the lobes finely dissected 

 and incised; stipules free, small, membranous; peduncles 2- 

 flowered, with long spreading glandular hairs; flowers pale 

 rose, 8-12 mm. across; petals 8-10 mm. long, narrowed to 



the base; free portion of style about 0.8 mm. long. May- 



Aug. Mountains; Honshu (Mount Ibuki in Oomi), Shi- 

 koku. Formosa, China, Himalayas, Europe, N. Africa, 



and N. America. 



