Caryophyllaceae 429 



4B. Leaves 1-4 cm. long, nearly glabrous; sepals 1 -nerved. 



5A. Sepals acute, distinctly 1-ribbcd; petals usually longer than the sepals 3. 5. scssiliflora 



5B. Sepals obtuse, 1 -nerved; petals as long as to shorter than the sepals. 



6.^. Stamens 1-7; seeds 1-1.2 mm. wide, with scmiroundcd obtuse tubercles 4. 5. media 



6B. Stamens 5-10; seeds about 1.5 mm. wide, with conical subacute tubercles 5. .S. neglecia 



3B. Pedicels and stems glabrous; leaves often with a few long multicellular appressed hairs on the upper side 6. 5. diversiflora 



IB. Leaves sessile or nearly sessile, with branched hairs. 

 7A. Leaves broadly ovate, with branched hairs. 



8A. Petals longer than the sepals 7. 5. uchiyamana 



8B. Petals absent 8. 5. tomentella 



7B. Leaves linear to oblong, rarely ovate, with simple hairs. 



9A. Petals bifid or absent; leaves and stems glabrous or glabrescent. 



lOA. Leaves usually not more than 5 cm. long and 1.2 cm. wide; capsules dehiscent, many-seeded. 

 HA. Leaves linear or broadly so, 1-2.5 mm. wide. 



12A. Stems slightly scabrous; petals as long as to slightly longer than the sepals 9. 5. longijolia 



12B. Stems smooth; petals about twice as long as the sepals. 



13A. Leaves ascending, linear, scarcely broadened below; stems 20-50 cm. long; plant of wet places in lowlands. 



IG.S.fiUcauUs 

 13B. Leaves horizontally spreading, slightly broadened below; stems 10-20 cm. long; plant of gravelly slopes in alpine 

 zone. 



14A. Seeds tubercled on margin 11.5. nipponica 



14B. Seeds winged on margin 12. S. pterosperma 



IIB. Leaves lanceolate, oblong or sometimes ovate. 



1 5 A. Leaves ovate to lanceolate, acuminate to very acute, rather firm. 



16A. Plant glaucous; leaves 1-3 cm. long; flowers solitary in upper axils, ebracteate; petals 1J4 times as long as the sepals. 



13. ,S. riisci folia 

 16B. Plant yellow-green or pale green; leaves 2-4 cm. long; flowers cymose, the bracts small; petals shorter than the sepals 



or absent 14. 5. fenzlii 



15B. Leaves oblong to oblong-lanceolate, obtuse to subacute, 1-2.5 cm. long, herbaceous or membranous. 



17A. Bracts thinly membranous, white; plant usually glaucous 15. 5. alsine var. twdiilata 



17B. Bracts green; flowers axillary and solitary. 



1 8 A. Petals longer than the sepals 1 6. 5. luimijusa 



18B. Petals absent 17. 5. calycantha 



lOB. Leaves 4-12 cm. long, 1.5-3 cm. wide; capsules indehiscent, 1-seeded 18. 5. monospcrma var. japonica 



9B. Petals fimbriate; stems and leaves silky-pubescent 19. 5. radians 



1. Stellaria aquatica (L.) Scop. Ceraslium aqiiaticum Fr. & Sav.; S. japonica (Fr. & Sav.) Makino, non Miq.; S. 



L.; Malachium aqtiaticum (L.) Fries Ushi-hakobe. Bi- jranchedi Honda Miyama-hakobe. Perennial herb; stems 



ennial or perennial, decumbent at base, erect above, slightly 20-30 cm. long, usually ascending to decumbent at base, with 



glandular-pubescent on upper parts, 20-50 cm. high; leaves a longitudinal line of short soft hairs; leaves petioled, ovate or 



ovate or broadly so, glabrescent, 1-6 cm. long, 0.8-3 cm. wide, broadly so, or sometimes cordate-orbicular, 1-4 cm. long, 7-25 



rounded to shallowly cordate, the lower ones petiolate, those mm. wide, acuminate to acute, rounded to shallowly cordate 



above sessile; flowers in leafy cymes, the pedicels 5-15 mm. at base, often mucronate, green on both sides, glabrous above, 



long, deflexed in fruit; sepals narrowly ovate, obtuse, 4-5.5 the midrib beneath slightly pubescent; flowers axillary, the 



mm. long, short-glandular; petals nearly as long as the sepals, pedicels 0-4 cm. long, with a longitudinal line of short soft 



deeply 2-parted, white; styles 5, short; capsules 5-valved, the hairs; sepals lanceolate, 1-nerved, long-pubescent, acute, 4-6 



valves bifid; seeds ellipsoidal, about 0.8 mm. long, slightly mm. long; petals usually slightly longer tiian the sepals, deeply 



flattened, mammillate. Apr.-Oct. Banks and roadsides in bifid; capsules ovoid-globose, 6-valved; seeds dark brown, 



lowlands; Hokkaido, Honshu, Shikoku, Kyushu; common, obliquely reniform-orbicular, 1-1.2 mm. long, densely mammil- 

 Temperate regions of the N. Hemisphere and N. Africa. late with semirounded tubercles. May-July. Along streams 



2. Stellaria bungeana Fenzl. S. nemonim var. bunge- in woods in uplands; Hokkaido (sw. distr.), Honshu, Shikoku, 

 ana (Fenzl) Kegel Ezo-no-miyama-hakobe, O-hakobe. Kyushu. 



Stems 50-80 cm. long, branched below, ascending to suberect 4. Stellaria media (L.) Vill. Alsine media L.; S. media 



above, the internodes with a longitudinal line of soft pubes- var. minor Makino; S. minor (Makino) Honda Ko-ha- 



cence; leaves ovate-oblong or ovate, 4-8 cm. long, 2-3 cm. wide, kobe. Biennial or annual; stems 10-20 cm. long, dccum- 



abruptly acuminate, rounded at base, ciliate, the midrib often bent at base, much branched, often purplish, with a longitudi- 



slighdy pubescent on both sides, pale green above, the upper nal line of soft hairs; leaves ovate, 1-2 cm. long, 8-15 mm. 



ones sessile, the lower petioled; cymes relatively large, many- wide, acute, rounded to obtuse at base, glabrous, often slightly 



flowered, the bracts small, green, leaflike, the pedicels with a pubescent on margin near base, petiolate in the lower, sessile 



line of soft hairs; sepals ovate, subobtuse, 4-5 mm. long, in the upper ones; flowers in upper axils, the bracts green, 



pubescent; petals slighdy longer than the sepals, 2-fid; capsules leaflike, the pedicels 5-40 mm. long, with a line of short hairs; 



globose; seeds reniform-orbicular, about 1.2 mm. across, sepals narrowly oblong, obtuse, obsoletely 1-nerved, 3-4 mm. 



densely mammillate, dark brown, slighdy flattened. May- long, soft-pubescent; petals white, deeply bifid, slightly shorter 



Sept. Hokkaido. e. Siberia, Manchuria, n. Korea, and than the sepals; stamens 1-7, usually 3-5; seeds slightly flat- 

 Sakhalin, tened, with obtuse mammillae, 1-1.2 mm. across, reniform- 



3. Stellaria sessiliflora Yabe. S. nemorum var. japonica orbicular. Mar.-Sept. Sunny waste places, cultivated fields 



