Dralni. CIUXIFKK.L. lUo 



siderably cxceediug tlie calyx and with a flat |ialul<)us eiilire or oniar^iuate Itladc. SUiiuimik 

 G, free and uiiapj)uiiilaf;ed. I'ods willi ucarly Hat iiiorf or Ictw I -nerved vjilvw«; re|)luni not 

 tliickened. Seeds (latlened, orbicular or ollijilie, more or le«s winjjed. The itectiou 6ntym- 

 brina with oblong wingless seeds and more or less oblique cotyledoIl^. 



Tribe IX. STANLEY/E. Stigma circular in outline or »doiiguted or i)ro<luc«il into 

 two lobes lying (except in two or three species of Theli/podiutn) transverse to tin? 

 partition of the ovary, i. e. over the valves of the ca|>sule. Fruit longitinlinally 

 li-celled, dehiscent, elongated, terete or prismatic or (in Shyptfiullius) <(.nipr.'s>«d 

 parallel to partition or more rarely obcompressed (Slan/orJid). C'otyledons incum- 

 bent or accumbent. rubescence simple or none (branched in two species of 

 Theli/podium). 



* Cotyledons accumbent ; ovary sessile upon the receptacle ; ca[)sule compressed. 



45. STREPTANTHUS. Sepals ovate or oblong, <olored, usaally jturpli.sii, (|uit«.' e<|nal at 

 base, or oue pair saccate, rarely b(itli. Calyx commonly closid, ovoid, less freijuenlly sul>- 

 cjdindric, or by the spreading of tiio, tips becoming soinewiiat Hask-shajHid. I'etals usually 

 narrow, linear or with a well developed blade and channellc I claw. Sumens 6 ; the longer 

 pairs ofteu connate below ; anthers more or less elongated, sagittate at the base. Capsule 

 oblong to narrowly linear. Seeds flat, margined or wingea. Receptacle enlarged. 



* * Cotyledons incumbent, 3-parted ; ovary sessile or nearly so; capsule obconii)res.<ed. 



46. STANFORDIA. Calyx ovoid ; sepals large, ov.ite, colored. Petals exserted, with 

 broad oblong or lance-oblong claw and narrower crispi il Idade. Stamens C, free and unappi-n- 

 daged ; anthers linear-oblong, sagittate, straight or moderately curved Style short ; stigma 

 at first elliptic, entire, later conspicuously 2-lobe-.. Capsule linear-oblong, subcharuueuus ; 

 valves keeled. Seeds many, biseriate in the cell-^, vvingless. 



* * * Cotyledons incnnibent : ovary sessile jr raiseil upon a short thick gyuophore : cap- 

 sule terete, tetragonal, or slightly flattened parallel to the ]>artition. 



47. CAULANTHUS. Calyx of Sireptai lltiis. Petals undulato-crisped with a broad claw 

 and small or obsolete blade. Stamens 6 ; anthers linear, sagittate. Stigma well dcveli.jKjd 

 and commonly distinctly 2-lol)ed, persistent. Capsule somewh.it flattened anrl narrowly 

 linear or subterete ; valves 1-nerved, ai d often reticulate-veined. 



48. THELYPODIUM. Sepals obl/ug to linear, rather short; wilyx at first cyliudric. but 

 often more or less si)reading in aiithesis. Petals flat, long and narrow or with a well 

 developed blade, white or pur])lish. rarely yellow. Stamens 6, exserted ; filaments long and 

 slender ; anthers narrowly linear, sagittate at base, curved or coiled. Stigma usually sina!', 

 often circular in outline, or vevy slightly 2-lobed. Pods slender, terete, or (luadrangJilar, 

 often torulo.se, usually spreading. 



♦ * * ♦ Cotyledons incvmbent : ovary raised ujwii a slender elongated gynophore. 



49. STANLEYA. Calyx long, cylindric or clavate in bud, sjirpading in anthesis ; s<>i)als 

 linear or si)atnlate. I'etals long and narrow, spatulate, slender-clawed. Stamens fi ; anthers 

 linear, curved or spirally coiled ; filaments elongated, spreading. Stigma se.«silo, small, 

 simple. Pods terete o; subterete ; valves 1 -nerved. Seeds oblong, uniseriate. Flowers in 

 more or less elongated racemes. 



50. WAREA. C'llyx short-clavate in hud, spreading in anthesis: sepals short-linear or 

 spatulate. Petals relatively large with broad sprea<ling lamina.« and slender claws. Stamen.-* 

 6, exserted, spreading; filaments slender; anthers very small, curveil. Stigma simple. 

 Pods terete, slender, widely spreading. Flowers in very short subcorymbo.se racemes. 



1. DRAB.il, Dill. (Apa^T;, a name of uncertain meaning, npplied by Hios- 

 forides to some cruciferous plant.) — Petals entire or emarijinatf e.\e.-pt in 

 § ErophUa. Seeds smooth or faintly tubercul.ite, r.irely hispidnlons. V\xU-s- 

 cenee u.sually stellate. A large an<l widely distrib\ited irenus, tin- larirer nundn^r 

 of the specicfs arctic or alpine. Rluny are very variable an<l the nninlK>r of spoens 

 has eon.sequently beeu greatly multiplied, especially ••- in '1" r.d[i.-.-d forms of 



