缘毛

Cauline leaves subentire or entire, not ciliate; mature fruit distinctly 4-angled, attenuate to beaklike apex (2-)2.5-3 mm; fruiting pedicels 1.5-3(-4.5) mm, much shorter than fruit

茎生叶近全缘的或全缘，不具缘毛；成熟果清楚四棱形，对喙状渐狭先端2-2.5-3毫米；果梗1.5-3(-4.5)毫米，远短于果 3 G。 ikonnikovii 短梗四棱荠

Leaf margin denticulate or entire, ciliate; mature berry dark purple, smooth.

叶缘具小齿或全缘，具缘毛；成熟的浆果深紫色，平滑。

Leaves basal and cauline; leaf sheaths glabrous or pilose; leaf blades linear, flat, 18–75 × 0.3–2(–4) cm, glabrous, glaucous or pilose, midrib prominent, margins scabrid or smooth, base tapering or broad and rounded, apex acuminate; ligule 0.5–4 mm, ciliolate.

叶基生和茎生叶鞘无毛或具柔毛；叶片线形，平， 18-75 * 0.3-2(-4)厘米，无毛，有白霜或具柔毛，突出的中脉，边缘粗糙或平滑，宽和圆形的基部渐狭或，先端渐尖；叶舌0.5-4毫米，具短缘毛。

Cilia of ocrea 1-1.2 cm; stems glabrous, sometimes sparsely hispidulous; leaf blade sparsely appressed hispidulous on both surfaces; achenes 2.5-3 mm.

托叶鞘的缘毛1-1.2厘米；无毛的茎，有时疏生短硬毛的；叶片疏生贴伏具短硬毛在两面；瘦果2.5-3毫米 20 P 。 japonicum 蚕茧蓼

Spikelets plumply elliptic, 1.5–1.7(–2.2) mm, pale or purple tinged; flo-rets similar; glumes equal to spikelet, 5–7-veined, glabrous or sparsely setose, with broad incurving margins, subacute, lower glume elliptic, upper glume broader; lemmas smooth, glabrous or puberulous above the middle, minutely ciliolate along upper margins.

微染的小穗plumply椭圆形，1.5-1.7(-2.2)毫米，浅的或紫色； flo 渍于水中相似；等于的颖片小穗，5-7－脉，无毛的或稀疏刚毛，具宽incurving边缘，近尖，下部椭圆形，宽的上面颖片；外稃平滑，无毛或高于上面边缘的具短缘毛的那些中间，微小的。

Bracteoles 2, broadly ovate, ca. 1.3 cm, abaxially midvein strigose and sericeous, adaxially glabrous, margin ciliate.

小苞片2，宽卵形，大约1.3厘米，背面中脉具糙伏毛和被绢毛，正面无毛，边缘具缘毛。

Leaf sheaths glabrous; leaf blades linear-lanceolate, 3–6 × 0.3–0.7 cm, glabrous, apex acuminate; ligule rounded, tonguelike, ca. 1.5 mm. Racemes paired, 2–5 cm; rachis internodes thick, outer angle ciliate with long hairs, inner angles shortly ciliate or glabrous.

叶鞘无毛；叶片线形披针形 3-6 * 0.3-0.7 厘米，无毛，先端渐尖；叶舌绕行，舌状，大约配对的1.5毫米外消旋体，2-5厘米；不久的轴节间的厚，外部的角纤毛的具长毛，内部角具缘毛或无毛。

Spikelets weakly laterally compressed, florets 2 to several, disarticulating above glumes and between florets; rachilla internodes slender, usually 1/3–1/2 length of lemma; glumes shorter than lowest lemma, 1–3-veined; floret callus truncate, glabrous or bearded; lemmas papery, 3(–5)-veined, glabrous, apex acute; palea almost as long as lemma, keels ciliolate or glabrous.

小穗身体虚弱的侧面压扁，小花2到数枚，高于颖片脱节并且在小花之间；节间纤巧的小穗轴，通常是1/3-1/2段外稃；颖片短于最低的外稃，1-3脉；小花结茧削去，无毛或者被公然反对；纸质的外稃，3(-5)脉，无毛，先端锐尖；几乎的内稃倍于外稃，龙骨具短缘毛的或无毛。

Culm sheaths deciduous, brown hispid abaxially; auricles narrow, glabrous, apex truncate; oral setae sparse, very weak; ligules ca. 1.5 mm tall in middle, margin dentate and long ciliate; blades erect, deciduous, lanceolate, apex long attenuate, nearly glabrous abaxially, slightly scabrous adaxially.

竿箨脱落，棕色具糙硬毛背面；叶耳缩小，无毛，先端截形；口头的刚毛稀，非常弱；叶舌约1.5毫米高的在中部，边缘具牙齿和具长缘毛；叶片直立，落叶，，先端长渐狭，近无毛，正面粗糙的稍。

Culm sheaths tardily deciduous, straw-colored, white powdery and stiffly white hairy abaxially, distal margins with cilia 1–2 cm, base without a projection, apex truncate; auricles inconspicuous; oral setae many, 1–1.8 cm; ligule truncate, short, 1–1.5 mm, margin ciliate; blade reflexed, linear-lanceolate, more than 1/2 or 2/3 length of sheath, abaxially glabrous, apex acuminate.

分枝50(-100)缓慢落叶，稻草色，白色粉状和硬白色有毛的厘米竿箨，叶耳不明显；口头的刚毛很多，1-1.8厘米；叶舌削去，短，1-1.5毫米，边缘具缘毛；叶片反折，线状披针形，超过1/2的或2/3段鞘，背面无毛，先端渐尖。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。