Tab. 5534. 



EUPHORBIA Monteiri. 



Mr. Monteirds Euphorbia. 



Nat. Old. ElJPHORBIACEJE. — MoNCECIA MONANDRIA. 



Gen. Char. Involucrum subregulare, campanulatum, turbinatum vel hemisphae- 

 ncum ; lobis 5 (rarius 4-8) primariis membranaceis, 5 aliis (rarius 8) secundariis 

 alternantibus glanduliferis, glandulis abortu interdum 1-4. Flores masculi pedi- 

 cellati, ecalyculati, bracteolis ciliato-laceris interdum obsoletis basi stipati, in 

 series quinas (rarius 4-8) lobis primariis involucri oppositas dispositi. Ffos 

 fcemineus centralis, pedicellatus, calyce 3-6-lobo suffultus, ssepius ecalyculatus. 

 Styli tres, distincti, vel plus minus coaliti, bifidi, lobis apice vel latere interiore 

 stigmatosis. Semina pendula, cum vel absque caruncula. — Plantae in toto orbi 

 terror urn crescentes, in temperatis et calidioribus frequhdiores. Boissier in DC. 

 Prod. xv. 



Sect. XX. Euphoebium. — Folia sparsa vel obsoleta, floralia opposita vel 

 ternata. Stipulce nullse. Cymee axillares vel supra-axillares, interdum terminales. 

 Glandule exappendiculatae. — Prutices, rarius herbse, gerontogei, carnosi, tubercu- 

 lati vel costati ; pedunculis interdum spinescentibus. Boiss. I. c. 



§ 2. Glandulae involucri bilabiatae, labio interiori brevissimo vel obsoleto, 

 exteriori margine palmatifido. 



Euphorbia Monteiri ; trunco lignoso forsan arborescente cortice cinereo, ramis 

 adscendentibus carnosis cylindricis vel clavatis podariis numerosis obtuse 

 conicis £— 1 unciam altis junioribus viridibus, adultis cinerascentibus in 

 trunco evanidis; foliis carnosis glaberritnis ad apicem ramorum supra 

 podaria insertis, anguste spathulatis obtusis et minute mucronulatis vel in- 

 terdum retusrs cum petiolo 4-8 uncias longis %-l\ latis ; ramulis floriferis 

 fere bipedalibus, ex axillis foliorum superiorum gracilibus carnosulis fo- 

 liosis paucifloris, foliis sensim minoribus, sine podariis, superioribus sessi- 

 libus, umbellse radiis 3 foliis 3 sessilibus deltoideis vel ovato-lanceolatis 

 suifultis, foliis floralibus late deltoideis basi subcordatis involucri hemi- 

 sphserici lobis ovalibus dense ciliatis, glandulis carnosis, labio superiore 

 minuto calloso, inferiore crasse carnoso rubro-fuseo ad medium in pro- 

 cessus 4-5 apice glandulosos diviso, stylis ultra medium coalitis. 



This very remarkable species of Euphorbia was sent to Kew, 

 in 1864, by Joachim Monteiro, Esq., the eminent and indefati- 

 gable zoologist, to whom the Royal Gardens are indebted for 

 many valuable contributions from South West Africa. The 



SEPTEMBER 1st, 1865. 



