416 



Chenopodiaceae 



to subacuminate, nearly smooth, 6-10 mm. long, 5-9 mm. 

 wide, with shallow grooves at base; seeds dark brown, sub- 

 orbicular, flat, 3-4 mm. across. Aug.-Oct. Sandy sea- 

 shores; Hokkaido, Honshu. Kuriles and Sakhalin. 



Atriplex hastata L. of Europe with opposite lower leaves 

 is sometimes naturalized in our area. 



2. Atriplex gmelinii C. A. Mey. A. littoralis var. ja- 

 ponica Koidz.; A. subcordata var. japonica (Koidz.) Honda; 



A. littoralis var. angustissima sensu auct. Japon., non Moq. 



HosoBA-NO-HAMA-AKAZA. Annual; stems erect, branched, 



glabrous, 30-50 cm. long, with suberect branches; leaves alter- 

 nate, lanceolate to narrowly so, sometimes linear, 5-10 cm. 

 long, 3-15 mm. wide, acute to subacute, narrowed at base, 

 entire or few-toothed, glabrous, white-scurfy while young, the 

 petioles 5-15 mm. long; flowers fasciculate in upper axils, 

 forming a terminal spike; pistillate bracts sessile in fruit, 

 broadly ovate-deltoid, acute, 3-nerved, not tubercled, entire or 

 subentire, 3-4 mm. long and as wide; seeds black, orbicular, 

 flat, lustrous, about 1.5 mm. across. Sandy seashores; Hok- 

 kaido, Honshu. Kuriles, Kamchatka, Sakhalin, and Korea. 



4. SALICORNIA L. Akkeshi-so Zoku 



Fleshy glabrous herbs or small shrubs with opposite, terete, jointed branches; leaves opposite, scalelike, usually connate at 

 base; inflorescence spicate, the flowers 3-7, fascicled and impressed in upper leaf-axils, bisexual or staminate in the lateral ones, 

 sessile, the perianth obconical or rhomboidal, fleshy, shallowly 3- to 4-toothed or truncate on margin, spongy in fruit; stamens 



2 or 1; ovary ovoid; styles or stigmas 2; utricles enclosed in the perianth; seeds erect, flat, the embryo conduplicate. About 30 



species, cosmopolitan in saline soil. 



1. Salicomia europaea L. S. europaea var. herbacea L.; 

 S. herbacea L. Akkeshi-so. Fleshy, usually reddish an- 

 nual, 10-30 cm. high, the branches opposite, erect; leaves scale- 

 like, small, connate at the base in a short tube; spikes 1-5 cm. 

 long, 3-4 mm. across, terete, joints about 3 mm. long, the peri- 



anth rhomboid-ovoid, small.- Aug.-Oct. Saline marshes; 



Hokkaido, Honshu (n. distr.), Shikoku; rare southward. 



Wet saline places especially along seashores in the temperate 

 regions of the N. Hemisphere. 



5. SUAEDA Forsk. 



Matsu-na Zoku 



Usually glabrous herbs or shrubs; leaves alternate, fleshy, narrow or flat, entire; flowers small, axillary, sessile or nearly so, 

 solitary or fascicled, bisexual or unisexual, with 1 bract and 2 bracteoles; perianth 5-fid to -divided, the segments rather fleshy, 

 rarely appendaged on back; stamens 5; ovary sessile; stigmas 2-5, short; utricles globose, ovate or flat, enveloped by and some- 

 times adnate below to the perianth; seeds horizontal, oblique or vertical, globose, often flat, the embryo spiral. ^About 100 



species, in saline soils along seashores, cosmopolitan. 



lA. leaves linear to linear-oblong or oblanceolate, slightly flattened, very obtuse to subacute; perianth 2-4 mm. across in fruit; testa pale, 

 membranous. 



2A. Plant and flowers purplish in fruit; leaves rounded to very obtuse; utricles 2.5-4 mm. across 1. S. japonica 



2B. Plant green, the flowers changing to red in fruit; leaves acute to subobtuse; utricles 2-2.5 mm. across 2. S. malacosperma 



IB. Leaves narrowly linear, obtuse to subacute. 



3A. Utricles 2.5-3 mm. across; flowers 1 or 2, axillary, the upper ones short-pedicelled 3. S. asparagoidei 



3B. Utricles 1.2-1.5 mm. across; flowers 3-5, axillary, sessile 4. 5. maritima 



1. Suaeda japonica Makino. Shichimen-so. Glabrous & Sav.; Suaeda glauca sensu auct. Japon., non Bunge 



annual; stems erect, much branched, later becoming slightly Matsu-na. Glabrous annual; stems erect, 50-80 cm. long, 



woody, 20-40 cm. long; leaves many, fleshy, sessile, terete, much branched, later becoming woody, the branches ascend- 



linear to oblanceolate, very obtuse, 5-35 mm. long, 2-4 mm. ing; leaves green, narrowly linear, 1-3 cm. long, subobtuse to 



wide; flowers few in leaf-axils, sessile, the perianth rather subacute; inflorescence loosely arranged on an elongated 



fleshy, to 4 mm. across in fruit, the segments ovate-orbicular, branching axis, aphyllous toward upper part; flowers small, 



subobmse; utricles depressed-globose, the pericarp tighdy ap- green, in 1- to 2-flowered fascicles, very short pedicelled or 



pressed around the seeds; stigmas 2; seeds lenticular, horizon- sessile, the bracts and bracteoles deltoid, membranous, 0.5-0.8 



tal, 1.5-2 mm. across, the testa membranous. Sept.-Oct. mm. long; perianth-segments 5, connate at base, narrowly 



Seashores; Kyushu (n. distr.). Korea. ovate; utricles globose or slightly depressed, 2.5-3 mm. across. 



2. Suaeda malacosperma Hara. Hiro-ha-matsu-na. Aug.-Sept. Seashores; Honshu (Kanto Distr. and 



Glabrous annual; stems 10-30 cm. long, usually branched; westw.), Shikoku, Kyushu. 



leaves broadly linear, to 35 mm. long, 4 mm. wide, fleshy, 4. Suaeda maritima (L.) Dumort. Chenopodium mari- 

 slighdy flattened, acute to subobtuse and minutely cuspidate, timum'L. Hama-matsu-na. Glabrous annual; stems much- 

 sessile, bluish green; flowers 1-4, axillary, sessile, usually pistil- branched, erect, 30-50 cm. long; leaves narrowly linear, acute 

 late, the bracteoles minute, hyaline, the perianth depressed- or subacute, 1-3 cm. long; inflorescence in 3- to 5-flowered 

 globose, the segments rather fleshy in fruit, thickened deltoid axillary fascicles, the flowers small, sessile; perianth-segments 

 on the back; utricles depressed-globose; seeds white, the testa 5, elliptic, not accrescent in fruit; utricles 1.2-1.5 mm. across, 



membranous. Oct.-Nov. Seashores; Honshu (Bingo depressed-globose; seeds black, shining, discoid or lenticular, 



Prov.), Kyushu. about 1 mm. across. Sept.-Oct. Sandy seashores; Honshu 



3. Suaeda asparagoides (Miq.) Makino. Sdsola (?) (Kanto Distr. and westw.), Shikoku, Kyushu. Along sea- 



asparagoides Miq.; Schoeberia maritima var. asparagoides Fr. shores in the N. Hemisphere. 



