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libus Indiae Orientalis per Asiam occidentaii-australein, fere lotain Europam tempera- 

 tain, Africam septentrionalem et ad Caput Bonae Spei, luiica latissime dispersa, etiam 

 in California , plus niinusve gregalim vigentes. 



Radix in speciminibiis annuis lenuis basin caulis vix diametro aoquans , aequalis, 

 nunquani tuberosa v. bulbosa, simpliciiiscula, ranii et ramiili primuni subconipressi, 

 radiceilis subdislichis, unicelliilaribus, perminulis, tubulosis, densiuscule et rectangu- 

 latini insidentibus obsiti; v. in pcrennibus superne in caudices abbreviatos subtorulosos 

 abiens, sed exstoionosa; in suHVuliculis et rruUcibus iignosa. 



Caulis saepissinie berbaceus v. basi indurato-subiignosus, raro lignosus, uun- 

 quam arboreus, semper erectus v. c basi breviter adscendente erectus, nunquam 

 prostrato-radicans, nee scandens, simpiex v. parce et sparse rainosus v. subl'asti- 

 giato-ramosissimus, semper teretiusculus et decursu foliorum plus ininusve angulosus, 

 glaber v. papilloso-asperulus. 



Folia berbacea, sparsa, angulo vario cauli insidentia, interduni sublasciculato-- 

 approxiinata, basi non arliculata, vernalione-plana v. margine undulala, semper sim- 

 plicia, inPuna semper integra, caetera inlegra v. ternato- v. biternalo-incisa v. pin- 

 natisecta et insuper prope basin ulrinque mlnute unidenticulala v. rarissime 2 — 3 den- 

 ticulata. 



Inflorescentia terininalis, semper simpliciter racemosa v. spicato-racemosa. 



Flores e peripberia ad centrum evoluti, irreguläres sed symmetrici, hermaphro- 

 diti, raro dioici v. subpolygami, compleli v. in Ochradeno apetaii, in axillis brac- 

 tearum solitarii, albi, ocbroleuci v. lutei; albi saepius plus minusve odorali, caeteri 

 subinodori. 



Calyx inferus, berbaceus, subirreguJaris, persistens v. deciduns, quoad nu- 

 merum partium variabilis. Sepala vix nisi apice aestivatione subimbricata; raro tantum 

 duo, tum sunt superiori-lateralia: v. tria tum duo superiori-lateralia et nnum inferum; 

 V. quatuor tum omnia syninietrice sublateralia (inferum quintum et superum sextum tunc 

 desunt); v. saepius quinque, tum 1 superum, et caetera 4 symmetrice sublateralia; 

 V. saepissime sex, tum 1 superum, 2 superiori-lateralia, 2 inferiori-lateralia et 1 

 inferum; v. raro etiam 7 — 8 et tum minus regulariter sila, superum impar saepe cae- 

 teris minus. 



Fetala sepalis alterna, aestivatione ab origine aperta, decidua, libera v. raris- 

 sime basi casu coalita, inaequalia v. rarissime aequalia, membranacea, subflabellato- 



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