四裂爿的

Stamens adnate to abaxial side of corolla tube near base; capsule valves usually at least slightly twisted.

四棱形的果圆柱状或，裂爿盘绕的不在开裂期间。

Fruit dehiscent siliques or silicles, linear, oblong, ovoid, obovoid, ellipsoid, or lanceolate, terete or slightly 4-angled, sometimes angustiseptate; valves with a prominent midvein, smooth; replum rounded; septum complete or perforated; style absent or short and to 1.5 mm; stigma capitate, entire.

果开裂长角果或短角果，线形，长圆形，卵球形，，椭圆形，或披针形，四棱形，有时果实狭隔的圆柱状或稍；裂爿具突出中脉，滤波；假隔膜绕行；隔膜完全的或具孔；花柱无的或短和对1.5毫米；柱头头状，全缘。

Lower leaves entire or repand; fruit torulose, with stellate and subsetose simple trichomes; subapical horns 0.5-1.8(-2.2) mm, erect or divaricate-ascending, straight; valves not extended beyond horns into stylelike apex

下部叶全缘的或残波状；果近念珠状，具和subsetose单；近尖端的角0.5-1.8(-2.2)毫米，上升直立或极叉开，直；在进stylelike先端角状突起以外裂爿不延伸 1 T。 quadricornis 四齿芥

Fruit dehiscent, siliques or silicles, linear, oblong, ovoid, or lanceolate, terete or slightly 4-angled, sessile or shortly stipitate; valves with an obscure or prominent midvein, smooth or torulose; replum rounded; septum complete or perforated, translucent, veinless; style obsolete or distinct and to 3 mm; stigma capitate, entire.

果开裂，长角果或，线形，长圆形，卵球形，或披针形，四棱形的圆柱状或稍，无梗或具短柄；裂爿具突出中脉的不明显或，平滑或；假隔膜绕行；隔膜完全或者具孔，半透明，；花柱废退的或离生和对3毫米；柱头头状，全缘。

Fruit dehiscent siliques or silicles, linear, oblong, obovoid, or ellipsoid, terete or slightly 4-angled, sessile or shortly stipitate; valves with an obscure to prominent midvein, glabrous, smooth or subtorulose; replum rounded; septum complete or basally perforated, membranous; style obsolete or short and less than 1 mm; stigma capitate, entire.

果开裂长角果或短角果，线形，长圆形，倒卵球形，或椭圆形，四棱形的圆柱状的或稍，无梗或具短柄；裂爿具一不明显对突出中脉，无毛，平滑或者；假隔膜绕行；基部的隔膜完全的或具孔，膜；花柱废退的或短和不到1毫米；柱头头状，全缘。

Fruit dehiscent siliques, linear or oblong, terete or 4-angled, sessile; valves with a prominent midvein and distinct marginal veins, glabrous or scabrous, torulose; replum rounded; septum complete; style obsolete or distinct and to 6 mm; stigma capitate. Seeds uniseriate, wingless, oblong, plump; seed coat longitudinally striate, not mucilaginous when wetted; cotyledons incumbent.

果开裂的长角果，线形的或长圆形，圆柱状的或四棱形，无柄；裂爿具突出中脉和离生边缘脉，无毛或粗糙，；假隔膜绕行；隔膜完全；花柱废退的或离生和对6毫米；柱头头状种子单列，无翼，长方形，肥厚；纵向具条纹，不黏的种皮被弄湿；子叶现任。

Herbs aquatic; at least female flowers lacking petals or inconspicuous; fruit splitting at maturity into (2-)4 1-seeded mericarps; leaves whorled, at least the lower ones pinnately divided.

肾形，卵形的叶，或正三角形；四棱形的果圆柱状或，裂爿先端容易与分离在开裂的假隔膜；子叶现任。 2 Myriophyllum 狐尾藻属

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。