578 



Geraniaceae 



1. GERANIUM L. Furo-s6 Zoku 



Herbs with palmately or ternately divided or lobed leaves; peduncles axillary, 1- or 2-flowered; flowers actinomorphic, 5- 

 merous; sepals and petals 5, the glands 5, alternate with the petals; stamens 10, perfect; ovary 5-lobed, the ovules 2 in each 



locule; seeds solitary in each carpel, the endosperm scanty or absent. About 250 species, in the temperate regions and in high 



mountains of the Tropics. 



lA. Flowers 2-3 cm. across; free portion of the styles 3-6 mm. long. 

 2A. Column of the style distinctly longer than the free portion. 



3A. Stems, petioles, and pedicels with long spreading hairs; leaves rather shallowly lobed 1. G. eriostemon var. reinii 



3B. Stems, petioles, and pedicels with recurved hairs; leaves finely and deeply lobed 2. G. erianthum 



2B. Column of style short, nearly as long as to Y3 as long as the free portion. 



4A. Pedicels erect in fruit 3. G. soboliferam 



4B. Pedicels reflexed to spreading in fruit. 



5A. Stipules rather leaf like, small; petals usually pale rose with deeper colored striations. 



6A. Free portion of the styles 5-6 mm. long 4. G. krameri 



6B. Free portion of the styles about 3 mm. long 5. G. yoshinoi 



5B. Stipules rather broad, usually connate; petals rose-purple, rarely white, without deeper colored striations. 



7A. Petals white-pilose at base, on nerves above, and on margins; stipules connate or free; leaves deeply lobed, often with 



retrorse, appressed short hairs on stems and petioles 6. G. yesoense 



7B. Petals white-pilose only on margin near base; stipules usually connate, broad; leaves less finely lobed, often spreading-hirsute 



or pilose on stems and petioles 7. G. shikpkianum 



IB. Flowers about 1.5 cm. across or less; free portion of styles 1-3 mm. long. 

 8A. Perennials. 



9A. Thickened root solitary; flowers usually solitary, pedunculate 8. G. sibiricum var. glabritis 



9B. Thickened roots few; flowers usually 2 on each peduncle. 

 lOA. Leaves deeply lobed. 



11 A. Leaves deeply 5-lobed, the lobes obovate, obtuse 9. G. thunbergii 



IIB. Leaves deeply 3-Iobed except the lower ones, the lobes ovate, acute 10. G. wilfordii 



lOB. Leaves 3-sected 11. G. tripartkum 



8B. Annual or biennial; leaves 3- or 5-parted, finely lobed 12. G. robertianum 



1. Geranium eriostemon Fisch. var. reinii (Fr. & Sav.) Asama-furo. Stems 60-80 cm. long, retrorsely short- 

 Maxim. G. reinii Fr. & Sav.; G. japonicum Fr. & Sav. pilose; radical and lower cauline leaves long-petiolate, 7-10 



GuNNAi-FURO. Rhizomes short, thick, with thickened cm. wide, 5- to 7-parted nearly to the base, the lobes rhombic 



roots; stems erect, 30-50 cm. long, with spreading somewhat or rhombic-cuneate, deeply lobed on upper half, acute, ap- 



reflexed hairs; radical and lower cauline leaves long-petiolate, pressed-pilose above and on the nerves and nervules on under 



8-12 cm. across, deeply cordate at base, deeply 5- to 7-lobed, side; flowers rose-purple, about 3 cm. across, the pedicels re- 



the lobes rhombic-obovate, acute, irregularly incised and trorsely appressed-pilose; petals loosely white-pilose near base; 



loosely serrate; stipules free or connate, brown, membranous; free portion of styles about 6 mm. long. Aug.-Sept. Grassy 



flowers terminal, the pedicels erect, with long, spreading, slopes in mountains; Honshu (centr. distr.); rare. Korea 



gland-tipped hairs; sepals oblong, with spreading hairs; petals and Manchuria. 



rose-purple, 12-15 mm. long; filaments long-hairy on lower Var. kiusianum (Koidz.) Hara. G. \iusianum Koidz. 



half; free portion of styles 3-4 mm. long. June-Aug. Tsukushi-furo. Leaves short-pilose beneath. Wet places 



Mountains; Hokkaido, Honshu (centr. and northw.); rather in mountains; Kyushu. 



rare. Forma onoei (Fr. & Sav.) Hara. G. onoei Fr. & 4. Geranium krameri Fr. & Sav. G. sieboldii Maxim.; 



Sav.; G. eriostemon var. onoei (Fr. & Sav.) Nakai Takane- G. japonicum sensu auct. Japon., non Fr. & Sav. Tachi- 



GUNNAi-FtjRo. Stems lower; flowers deeper colored; leaves furo. Stems 60-80 cm. long, often decumbent at base, 



pilose chiefly on nerves beneath. Alpine. with retrorsely spreading hairs; leaves 7-10 cm. wide, rounded- 



The typical phase occurs in Korea, China, and e. Siberia. cordate, deeply 5-parted, the lobes rhombic, bifid or 3-fid, in- 



2. Geranium erianthum DC. G. subumbellijorme R. cised and coarsely serrate, subacute, pilose especially on the 

 Knuth— -Chishima-furo. Perennial with thick, short rhi- nerves beneath, the stipules free, rather leaflike, narrow; 

 zomes; stems erect, 30-40 cm. long, retrorsely short-pubescent; peduncles 2-flowered, retrorsely spreading-hairy; flowers 2.5-3 

 radical and lower cauline leaves depressed-orbicular, deeply cm. across, rose; petals with deeper colored striations, densely 



5-lobed nearly to the base, 6-10 cm. wide, deeply cordate, pilose at base; free portion of styles 5-6 mm. long. Aug.- 



pubescent on both sides, the lobes narrowly rhombic-obovate, Sept. Honshu, Kyushu. Korea, Manchuria, and Amur. 



acute to acuminate, irregularly incised and coarsely toothed; Forma adpressipilosum (Hara) Hara. G. japonicum 



flowers rather numerous, terminal, 2.5-3 cm. across, bluish var. adpressipilosum Hara FusHiGE-TACHi-FtJRo. Stems 



purple, on short pedicels; sepals densely pubescent with long and petioles with retrorsely appressed hairs. Honshu 



spreading, glandular hairs; filaments loosely long-pilose. (centr. distr.), Kyushu. 



July- Aug. Grassy slopes near seashores; Hokkaido, Honshu 5. Geranium yoshinoi Makino. Bitchu-furo. Stems 

 (n. distr. and alpine region of Mount Hayachine in Rikuchu). 40-70 cm. long, retrorsely appressed-pilose; radical leaves long- 

 e. Siberia, Sakhalin, Kuriles, Alaska, and N. America. petiolate, die lower cauUne 5-angled, rounded, depressed- 



3. Geranium soboliferum Komar. G. hahusanense Mat- cordate, 5-8 cm. wide, 5-parted to below the middle, the lobes 

 sum.; G. sobolijerum var. ha\usanense (Matsum.) Makino rhombic-cuneate, 3-fid, with 2 or 3 coarse teeth, acute to sub- 



