530 



ROSACEAE 



2. Geum japonicum Thunb. G. iyoanum Koidz. 4. Geum macrophyllum Willd. var. sachalinense 



Daikon-s6. Perennial herb with short rhizomes; stems (Koidz.) Hara. G. fauriei Lev.; G. japonicum var. sachalin- 



simple or slightly branched, sometimes few together, some- ense Koidz.; G. aleppicum var. sachalinense (Koidz.) Ohwi; 



times solitary, short velvety-puberulent; leaves puberulent, G. sachalinense (Koidz.) Makino, non Lev. Karafuto- 



sometimes sparingly long-pilose, the lateral leaflets small, 1 or daikon-so. Closely resembles the preceding, but with coarse 



2 pairs, sometimes obsolete, often with a pair of accessory bristly setose hairs; lateral leaflets in the radical leaves much 



small leaflets between the larger ones, the terminal leaflet smaller and fewer, often obsolete, the terminal leaflets orbicu- 



orbicular to broadly ovate, 3-6 cm. long and as wide, rounded lar, the cauline leaves simple, 3-lobed, the stipules usually 



to obtuse at apex, subcordate to broadly cuneate at base, entire. Thickets and woods in mountains; Hokkaido, Hon- 



toothed, usually 3-lobed, the cauline leaves short-petioled, usu- shu (centr. and n. distr.). Sakhalin. The typical phase 



ally simple, deltoid-orbicular, often 3-lobed; flowers few, rarely occurs in Asia and N. America. 



1, loosely arranged, long-pedicelled, about 1.5 cm. across, yel- 5. Geum calthaefolium Smith var. nipponicum (Bolle) 



low; calyx-segments narrowly ovate-deltoid, acute, reflexed, Ohwi. G. calthaefolium sensu auct. Japon., non Smith; 



densely puberulent, sometimes with a few long spreading Parageum calthaefolium var. nipponicum (F. Bolle) Hara; 



hairs. June-Sept. Woods and thickets in hills and low Acomastylis nipponicum F. Bolle; A. calthaefolia var. nippo- 



mountains; Hokkaido, Honshu, Shikoku, Kyushu; common, nica (F. Bolle) Hara Miyama-daikon-s6. Coarse peren- 



China. nial herb with yellowish spreading strigose hairs; rhizomes 



3. Geum aleppicum Jacq. G. vidalii Fr. & Sav. stout, short, creeping and branching; radical leaves petioled, 



O-DAiKON-so. Coarse perennial herb 60-100 cm. high, with the terminal leaflet orbicular, 5-12 cm. long and as wide, shal- 



spreading hispid hairs; radical leaves petioled, pinnate, the lowly lobulate and irregularly toothed, cordate at base, lustrous 



lateral leaflets rather small, 2 to 5 pairs, alternate, with very above, the lateral ones minute, few; scapes 10-30 cm. long, 



small accessory segments, the terminal leaflet rhombic-ovate to erect, few-flowered; flowers 2-2.5 cm. across, yellow; calyx 



orbicular, 5-10 cm. long, 3-10 cm. wide, acute to rounded at and pedicels densely puberulent, the calyx-segments acute, ob- 



apex, cuneate to subcordate at base, irregularly toothed, the liquely spreading; achenes many, long hispid-hairy including 



cauline leaves short-petioled, 3- to 5-foliolate, the stipules obo- the lower portion of the slightly elongate style, 10-13 mm. 



vate, incised; flowers 3-10, long-pedicelled, 15-20 mm. across, long in fruit. July-Aug. Alpine slopes; Hokkaido, Hon- 



yellow. June-Sept. Thickets and grassy places in lowlands shu (n. and centr. distr.), Shikoku (Mount Ishizuchi). 



and low mountains; Hokkaido, Honshu; common. e. Kuriles. The typical phase occurs from the Aleutians and 



Europe, Asia Minor, Siberia, China, Korea, and N. America Kamchatka to northern N. America. 



(var.). 



14. RUBUS L. Ki-icHiGo Zoku 



Usually armed shrubs, rarely herbs; leaves alternate, petioled, simple, palmately lobed or palmately to pinnately compound, 

 the stipules rarely lobed, adnate to the base of the petiole; inflorescence 1- to rather many-flowered, usually terminal on short 

 branches, in corymbs or sometimes panicles, the flowers usually bisexual, rarely unisexual; calyx without a caliculus, the tube 

 short, broad, the segments 5, persistent; petals 5, white or rose; stamens many; carpels many, sometimes few, inserted on a 

 raised receptacle, the ovary 1-locular, 2-ovuled; styles subterminal; fruidets juicy or fleshy, aggregated in a globose to ovoid head, 

 the stones small. A difficult genus with many species and numerous natural hybrids, chiefly occurring in N. Hemisphere. 



lA. Leaves simple and toothed or palmately lobed to cleft. 

 2 A. Stipules and bracts laciniate; leaves usually evergreen; stems usually procumbent to ascending-arching. 



3A. Stipules persistent; flowers 1 or 2 on short lateral branchlets borne on stolons; calyx with dense spreading straight prickles. 



1. R. pectinelhis 

 3B. Stipules deciduous; flowers few, axillary, often in a terminal panicle; calyx not prickly. 

 4A. Stems glabrous or puberulent only when young; leaves acuminate; calyx puberulent. 



5A. Leaves ovate; prickles rather stout, distinctly flattened and slightly recurved; flowers many, in a large terminal panicle. 



2. R. lambertianus 

 5B. Leaves suborbicular or ovate-orbicular; prickles slender, very slightly flattened, not recurved; flowers few, axillary or rarely 



in short terminal panicles i. R. hakpnensis 



4B. Stems prominently pubescent; leaves obtuse or acute; calyx long-pubescent. 

 6A. Branches and inflorescence without gland-tipped hairs. 



7A. Stems thick, 3-6 mm. across, with slender straight or slightly recurved prickles; leaves broadly ovate to ovate-orbicular; 



flowers 2.5-3 cm. across; calyx-segments about 15 mm. long; bracts large 4. i?. sieboldii 



7B. Stems slender, less than 2.5 mm. across, scarcely prickly; leaves suborbicular; flowers about 1 cm. across; calyx-segments 



8-10 mm. long 5. R. huergeri 



6B. Branches and inflorescence densely glandular 6. R. hatsushimae 



2B. Stipules and bracts entire or with few teeth. 



8A. Low usually simple erect herbs; flowering stems rising from slender rhizomes; flowers unisexual (plants dioecious); stipules 



elliptic to ovate 7. R. chamaemorus 



8B. Shrubs; flowering stems from the lateral bud on last year's aerial shoots; flowers bisexual. 



9A. Leaf blades peltate; stipules narrowly ovate to broadly lanceolate; fruit oblong-cj'lindric, consisting of many very densely ar- 

 ranged fruitlets 8. i?. peltatus 



9B. Leaf blades basifixed; stipules narrower; fruit globose. 



lOA. Leaves glaucous beneath; fruit enclosed in a semiglobose calyx; calyx rather thick, nearly glabrous outside, purplish, the 

 segments densely puberulent inside; pedicels slender; bud-scales persistent 9. R. microphylltis 



