222 CXLIX. SANTALACE^. 



[ Th'esici^. 



species numerosse per orbem veterem Africa cnpensi inclusa latibsime disperse. 2. Mtheothesium 

 cymulis termmalibus v. in solis summis axillis confertis, cymani terminalem compactam v. capituliim 

 termmale formantibus ; species omnes austro-Africanse e.g. T. {Ei'Mmium, DC) stricium,pamculatum 

 affinesque, T. {Mheothesmm, -QG.) eu^Jwrhmdes, T. {Discothesium, DC.) triMum, alia^que nonnull*' 

 Sectio Psilothesium, A. DC. Prod. xir. 670, et in :Mart. Fl. Bras. v. i. t. 37, species 2 Brasilienses 

 contmet, ab Eiitkesm gerontogeis paullo distinctas caule annuo tenui virgatim raraoso foliis -id 

 squamellas minutas dentesve reductis. floribus parvis gracile spicatis, perianthio s^pius 5-mero, 'ex 

 DC. a fructu mature deciduo, in speciminibus tamen nostris utriusque speciei perJantliium in fmctu 

 porfecto persistens vidimus, et interdum etsi rarius in Euthesiis gerontogeis fruetus hinc inde 

 perianthio delapso denudatns est. 



Rhinostegia, Turcz. in Bull. iSoc, Imp. Nat. 1843, 56, ab A.DC. rite ad Thesium redueitur 7? 

 hrevifolm, Turcz., est T. Dregeanum, A. DC. ; R. longifolia, Turcz., nobis ignota est. 



4. Thesldinm, Sond, in Flora, 1857, 364.-Flores dioici. Perianthii tubus in floro ^ 

 tenuis solidus, in flore ? ovoideus, ovario adnatus, supra ovarium brevis^ime campanu- 

 latus v._ vix uUus ; lobi 4, valvati, in flore ^ s^pius fascicule pilorum pone stamina 

 mstructi. Stamma 4, ad basin loborum affixa, fi]amentis brevibus ; anthers parwe loculis 

 parallohs longitudmaliter dehiscentibus ; in flore ? staminodia sjepius Discus ob 

 scurus, mar-ine nullo prominulo. Ovarium inf erum ; stylus brevis, stigmate obscure 2-3- 

 lobo ; ovula 2-3, ab apice placentae centralis filiformis rect^ v. contortuplicatie pendula 

 Fruetus nuceus Th^sii, parvus, globosus v. ovoideus, perianthio marcescente coronatus' 

 «ndocarpio crustaceo. Semen conforme ; embryo in centro album inis carnosi teres Sc-epe 

 obliqnus.-Fruticulihumnes,ramosissimi, rarius herb^. Folia altema, srepius mhiima 

 V. srxuamif ormia, ngidula. Flores minimi, nunc intra bracteas solitarii subsesniles in 

 spicani terminalem tenuem interruptam dispositi, nunc secus ramos intricatos ad axillas 

 sessiles, solitani v. term, numerosissimi. Bractete bracteol^que minima. 



Species enumerat^e 6, Africse australis incol^. A. ^DC, Prod. xiv. 673. Genns a Thc^lo imprimis 

 flonbus dioicis diffcrt. Habitus etiam satis diversns, interdum fere salsoloideus. 



5? Osyridlcarpos, A. DC. Prod. xiv. 635.-Flores hermaphroditi. Perianthii tubus 

 basi ovario adnatus, supra ovarium cylindraceus, fere ad apicem camosulus, summo apice 

 tenuis ; lobi 5, tenues, valvati, mtus basi fasciculo pilorum instructi. Stamina 5, summo 

 tubo sub lobis affixa, filamentis brevibus tenuibus ; anthers ovat.^, loculis parallelis 

 longitudmahter dehiscentibus. Discus iudistinotus, nisi pro disco haberes partem 

 carnosam perianthu apice inter stamina sinuato-5-lobam, margine tamen liaud promin- 

 ulam. Ovarium mferuiu ; stylus elongatus, tenuis, stigmate capitellato v. obscure 2-3-lobo • 

 ovula 2-3, ab apice placenta filiformis flexuosre pendula. Drupa (a nobis non visa) fere 

 Osyndis ex veatigio perianthii cupula 5-angulari minima coronata {A. DO.).-Suilrutices 

 glabri ramis laxis mterdum elongati.s subscandentibus. Folia alterna, breviter petiolata 

 knceolata v. ovata, plaiia. Floras ad axillas solitarii v. 3-5-ni, breviter pcdicellati,' 

 bracteohs miniiuis v. 0. Perianthii tubus sa^pius (nee constanter) extus ad basin partis 

 hberae verrucis v. appendiculis carnosulis 4-5 subreflexis instructus. 



Species 2, inter se valde affines, altera austro-Africanff', altera Aby^sinica 



Genus Thmcas cum O.yrirUas arete conneetit. Speeimlna nostra omnia florida primo a.pcctu 

 nmu.a referunt et sub Tk,s^o a variis collectoribus mi.sa. Fulia tamen, efc ex DC. Lctns .x>tius 

 0.yn^..,et SI partem carnosam perianthii pro disco haberes (in vivo perianthium quasi cXcem 

 corollas adnatum simulat ex EurcheUio) genus forte O.yridcis transferendum foret. " 



TrIBUS II. OSYRIDK.E. 



6. Cervantesia, llmz et Pav. Prod. 30, t. 7 ; Fl. Per. 



