= 40 — 
üibus Indiæ orientalis per Asiam occidentali-australem, fere totam Europam tempera- 
tam, Africam septentrionalem et ad Caput Bonæ Spei, unica lalissime dispersa, etiam 
in California, plus minusve gregatim vigentes. 
Radix in speciminibus annuis tenuis basin caulis vix diametro aequans , aequalis, 
nunquam luberosa v. bulbosa, simpliciuscula, rami et ramuli primum subcompressi, 
radicellis subdistichis, unicellularibus, perminulis, lubulosis, densiuscule et rectangu- 
latim insidentibus obsili; v. in perennibus superne in caudices abbreviatos subtorulosos 
abiens, sed exstolonosa: in suffruticulis et fruticibus lignosa. 
Caulis saepissime herbaceus v. basi indurato-sublignosus, raro lignosus, nun- 
quam arboreus, semper erectus v. e basi breviter adscendente erectus, nunquam 
prostrato-radicans, nec scandens, simplex v. parce et sparse ramosus v. subfasti- 
giato-ramosissimus, semper leretiusculus et decursu foliorum plus minusve angulosus, 
glaber v. papilloso-asperulus. 
Folia herbacea, sparsa, angulo vario cauli insidentia, interdum subfasciculato- 
approximala, basi non articulata, vernatione-plana v. margine undulala, semper sim- 
plicia, infima semper integra, caelera integra v. ternalo- v. bilernalo-incisa v. pin- 
natisecta et insuper prope basin utrinque minute unidenticulata v. rarissime 2—3 den- 
ticulata. 
Inflorescentia terminalis, semper simpliciter racemosa v. spicato-racemosa. 
Flores e peripheria ad centrum evoluti, irregulares sed symmetrici, hermaphro- 
diti, raro dioici v. subpolygami, compleli v. in Ochradeno apetali, in axillis brac- 
tearum solitari, albi, ochroleuci v. lutei; albi saepius plus minusve odorati, caeteri 
subinodori. 
Calyx inferus, herbaceus, subirregularis, persisiens v. deciduus, 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 unum inferum ; 
v. quatuor Lum omnia symmetrice sublateralia (inferum quintum et superum sextum tune 
desunt); v. saepius quinque, tum 1 superum, et caetera 4 symmetrice sublateralia; 
v. saepissime sex, Lum 1 superum, 2 superiori-lateralia, 2 inferiori-lateralia et 1 
inferum; v. raro etiam 7—S8 et tum minus regulariler sita, superum impar saepe cae- 
teris minus. 
Petala sepalis alterna, aestivatione ab origine aperta, decidua, libera v. raris- 
sime basi casu coalita, inaequalia v. rarissime aequalia, membranacea, subflabellato- 
12 
