Croionem .] CLI. EUPHORBI ACE^. 303 



sinuato-dcntata v. integerrima. Spicse axillares v. aupra-axillares. Bractese concava3, 

 s£epe striataj. Flores ^ parvi, sub qua(iue bractea 3-oC^ rarius solitariij subsessiles V. 

 brevissime pedicellati, % solitarii, longins pediccUati. 



Species 6 V. 7, Indite Orientalis et Africa tropicse incolse. Genera duo sequentia a Muell. Arg. in 

 DC. Prod. XV. ii. 725 et 726 recepta, nostro sensu rite n BailL Adans. xi, 93, in nnum jimguntur, 

 sed nomen DulzelliiWiglitiauo antiquius illi anteponendum est : 1. Agrostistachys, 7>«?^., i?tf(i(?. Ic, 

 PL hid. Or. t. 241, distinguitur bracteis dense imbricatis, spieis pluribus parvis ad axillas v. supra 

 axillas confertis spiculas glumaccarum simulantibus, floribus J sub bracteis 1-3- Hue referendse 

 A. zW/ca, Dalz., e Peninsula et Zeylania, spieis distichis, et A. Gaudichaudi, Muell. Arg., e Malacca, 

 spiels subteretibus, cui etiam referenda videtur A. indica var. louyifolia, Muell. Arg.; et 2. Sarco- 

 CLiNior, Wight, Ic, v. 24, t. 1887, 1888, spicarum rhaohi elongatanunc lougissima bracteis di stantibus, 

 floribus $ sub bractea quaque ssepc oo. Specicbus 2 in Prodrome definitis adduntur 1-2 ex Archi- 

 pelago Malayano spieis longissiniis, floribus in glomerulis S numerosis. 8. Hookeri, Muell. Arg., e 

 Zeylania, insignis estfoliis stipulisqxie maxiiuis, capsulis sul>earnosis. A. africana, Muell. Arg., inter 

 genera duo submodia est, spieis brevibus, bractefe tanien dissitfe nee imbricatje. In specie typica 

 SarcocUnii, spicse interdum breves obscrvautur. 



104. Argitnamnia, Swartz, Frod. 39; et Ft. Ind, Occid. 335, f."8.— Flores monoici v. 

 rarius dioici, petaliferi. Disci glandnla? petalis alternje. Fl. ^ : Calycis segiiienta 4-5, 

 tenuia v. fere petaloidca, valvata. Petala 4-5, nunc iiitegra calycem superantia, nunc 

 brevia apice dilatata v. diviaa. Stamina petalis numero icqiialia dupla v. rarius triplo 

 pluviXy filamentis basi brevissime v. altius in columnam connatis ; antherse ovoidese v. 

 oblongfe, dorso medio v. prope basin affixfc (in Phihjra erectse), loculia parallelis contiguis 

 longitudiualiter dehiscentibus. Ovarii rudimentum ad apicem columnfe brevissimum v. 

 apex inter stamina vix convexus. Fl. ? : Sepala imbricata, Petala quam in raare 

 sfepius minora, interdum parva, linearia. Ovarium 3-loculare ; styli breves, patcntes, 

 varie laciniati, lobis angustis ; ovula in loculis solitaria. Capsula tridyma, in coccos 

 2-valves dissiliens, endocarpio crustaceo. Semina subglobosa, nitidula ; albumen camosum ; 

 embryo rectus, cotyledonibus latis planis.—F rut ices suffrutices v. berbre perennes, plus 

 minus sericeo-pubescentes t. pilosi, pilis simplicibus v. rarissime piibe stellata intermixta. 

 Folia alterna, membranacca v. moUia, integerrima v. paucidentata, rarius serrata. Flores 

 ad axillas brevitor v. rarius tcnuiter racemosi, sub bracteis solitarii, superiores, rarius 

 omnes <? parvi brevissimo pedicellati, infcriores v. saepius unus tamen in spica $ vix 

 longius pedicellati. Calyx baud raro sub fructii auctus, lierbaccus, segmentis patentlbus. 



Species edits 37, Aniericic tropica; et subLomperatce incola?, a Chile et Eonaria usque ad Mexicum 

 et civitates australiored Americae burealis extensjse. MueU. Arg. in DC. Prod. xv. ii. 733, et in Mart 

 Fl. Bras, xi. ii. 308 {Argyrotkamnia). 



Genus in Prodromo in sectiones 5 sequentes dividitur, cum sexta {SperanskUi) quam ad genus 



proprium rcstituimus : — 



1. Philyra. Petala fl. J a columna stauiinca libera. Stamina circa columnam 4-5, sub apice 

 columnse verticiUata, antheris basiflxis. Prutex brayiliensis, glaber, aculeis infrafoliaceis rectis 

 solitariis v. gemiuis baud raro armatus, racemis brevissiniis densis, bracteis rigidis. Philyra, 

 Klotzsch hi Wivym, Arcluv. vii. 199. Jkdll. Efud. Euph. t. 12. Vix nou pro genere proprio 



retinendum. 



2. Vita^is. Petala in fl. S basi brevissimo columnte staminese adnata. Stamina circa columnam 

 2- rarius 3-verticiIlata. Prutices suifruticesve plerique tropici. Muell. Arg. in Mart. FL Bras, xi, 

 ii. t 46. DiTAXis, A. Juss. Euph. Tent. 27, t. 7- BailL Etud. EupJ/. t. 15. H. B. et K.Nov, Gen, 



et Sp. vii. t. 639. 

 • 3. Aphora. Omnia Di/a.vcos nisi glandulpe disci magisprominulfe. Suifrutiees v. herbre perennes, 



plerique ex America boreali v. centrali. Apiiora, Nuft. in Tram, Anwr. Phil. Soc. ser, 2, v. 174. 



Skkophyton, Bcnth. Bot. Sulph. 52. Stkxokia, Bldrichs. in VkJcnslc, Meddcl. Nat, For. Kj'dhenh. 



1857, \^^. 



4. Enargithamnium, Petala libera, Integra. Stimina petalis isomera, filamentis vix in columnam 



elevatis, Species plerieque ex India occidentali. 



5. Chiropitaliim. Petala libera, brevia, dilatata, 2-ao-fida. Stamina petalis isomera, sub apice 

 columnse elevatse verticiUata. Species austro- America nse, plerseque extratropicai, Cav, Ic, t, 657, 



