274 



EUPHORBIA rigida 



Tartarian Spurge. 



DODKCANniUA TIUaYXfJ. 



J^'at. ord. KupHORBiJE. Jussieu gen. 385. D'lv. Styli plures de- 

 fiiiiti, sECpius tres, 



EUPHORBIA. Stiprh vol %foL 190. 



-Dm- Florilms umhcUatis : caJi/cvns segmentis btcornibus s. lutiaiis. 

 E, rigida, umbella multifida bifida, foliis lanceolatis niucronato-pungentibus 



coriaceis miiltifariam inibricatis margine Ixvibus, involucellis reniforrai- 



cordatis, petalis diiatatis creaulatis, capsulis glabiis. Marsck. Bieb.Jl. 



tavr. cauc. 1- 375. 

 Euphorbia pungens. Herb, Banks* Exemjjlara P. Russell M. D, in monitbus 



SyriiB ledum. 



Plania perenniSi rigida^ glauca. Caules simpHces, aggregati, pedales ad 

 fiesquipedales^ teretes, calamum crassi, albido'virentes^ hinc inde aliquo rubore 

 suffusi. FoK eloiigatO'Oblon^ay lanceolata acumtne producto pmtgentCy eras- 

 siuscula^ coriaceuy aveniay glauca margine Icevij longiora biuncialia^ maximiim 

 semunciam v. circa lata^ patentia, sparse amhientiay iiumerosa, laxiuscutaf 

 decrcscentia. Uinbella sub-S^da^ subsesquiuncialis^ termina/is, fiavo-virensy 

 hinc inde fu%co^ulvescens, Involucrum poluphyllumy patentissimum, brevius 

 nmbelldy ibilola cuncalo-oblongat via: duplo latiara quam longa acumine brevi 

 innocuo. Umbellulse Iriftd^ey fiore medio masculo breve pedicellato, lateralibus 

 he^maphroditis subsessilibus. Involucella diph^lla, rhomheo-cordata y fenera 

 7nucrone mollis primaria j uncico alia, secundaria hifra semiunciam, Flores 

 magnitudinejerc Ribium, graveolentes. Cal- turbinatus pallens o-Jidus, seg' 

 vientis erecto-conniventibuSy brevibus, subrotundis, margtne crenulatO'lami- 

 ginosis, lequanlibus petala. Pet. 4, glandntoso-incrassaiay extra calycem 

 roiaiO'patentia^ transversa oblonga u. obsoletissime rcniformia, integerrimay 

 sub anlhesijacie interiore madentia saturateque Jlavicantiay hicornia comnbus ex 

 angulis marginis superioris subtus eductisy clavotO'teretibuSf tnterdum coHtfaio- 

 geminis triplicibi(sv€. Stam. in bermaph. 12; anth. didwi/^ loadis globosis: 

 poll, fiavum. Germ, oblongUuculumy glabrum^ rotundate S-gomtm, stipite 

 tpquanie calycem: styli % fasciculati, virides^ sublongiores^ gerpuney stigma- 

 tibus brevibus bifidis lobulis subrotundis phniusculis saturate viridibus. 



A Species observed by M. Mai-schall von Biebei-stein in 

 Southern Tartary, growing in dry spots on the chffs of tlie 

 Black Sea- A specimen, found by Dr. Ptitrick Russell on 

 the mountains of Syria, had however been long ago depo- 

 sited in the Banksian Herbarium, by the name we have 

 cited ; but the species was not published until it appeared 

 in the '* Flora Taurico-Caucasica/* and has not been even 

 yet inserted in any general enumeration of vegetables. 

 It resembles Ettphobbia Myrsinites in many respects, but 



VOL. IV, K 



