Philyra, Ditaxis. 51 



Ph. brasiliensis Klotzsch in Wiegm. Arch. VII. (1841) 199; Baill. Etud. gen. 

 (1858) 298 t. 12, f. 16—22. — Ditaxis brasiliensis Baill. Adansonia IV. (1863) 2C9. 



— Argyrothamnia brasiliensis Müll. Arg. in Linnaea XXXIV. (1865) 144; in DG. Prodi*. 

 XV. 2. (1866) 733; in Fl. Bras. XI. 2. (1874) 308. — Argithamnia brasiliensis Pax 

 in Engler u. Prantl, Pflzfam. III. 5. (1890) 45; Chodat et Hassler in Bull. Herb. Boiss. 

 2. ser. V. (1905) 502. — Frutex vel arbor, 2 — 10 m alta, praeter inflorescentias 

 omnino glabra, pallide viridis, odore seminum Foenu graeci; rami cum ramulis ochraceo- 

 albidi; ramuli densiuscule foliosi; aculei infrastipulares gemini, */ 2 — 3Y2 cm l° n gi> 

 recti, inferne dilatati, subulato-acuminati, teretes, rarius nulli vel subnulli. Petiolus 

 3 — 8 mm longus, crassiusculus; limbus 8 — 13 cm longus, 2V2 — BV2 cm latus, obovato- 

 lanceolatus, acuminatus, basin versus angustatus, ima basi anguste subcordatus, integer, 

 subcoriaceus, utraque pagina reticulato-venosus ; stipulae stramineae, 5 mm longae, 

 ovatae, longe acuminatae. Racemi q? 7 — 12 mm longi, densiflori, 8 — 9-flori, Q 

 I y 2 — 5 cm attingentes, laxiflori, pauciflori; rhachis utriusque sexus pilosa; bracteae rj 1 

 et Q 2Y2 — 3 mm longae, stramineae, lanceolatae, acuminatae, carinatae, ciliatae; pe- 

 dicelli q? bracteam aequantes, Q circ. 8 mm longi, sub fructu 4 — 5 cm attingentes, 

 utriusque sexus bibracteolatae et articulatae. Flores odore Zingiberis, flavo-virides vel 

 albicantes. Sepala q 1 4 — 5 mm longa, lanceolata, acuminata, paucipilosa; petala 3 — 4 mm 

 longa, oblanceolata; disci glandulae parvae; stamina 10 — 12, staminodia 3 — 5, filiformia; 

 stamina verticilli medii saepe zb distracti. Sepala Q 4 mm longa, lanceolata, abrupte 

 acuminata; petala 9 mm longa, obovato-lanceolata, obtusa, cum sepalis glabra; gyno- 

 phorum crassum, siccum plicato-rugosum; ovarium glabrum. Capsula 7 — 10 mm lata, 

 5 — 7 mm longa, glabra, depresso-globosa. Semina globosa, 4 mm diametientia, brunnea. 



— Fig. 10. 



Südbrasilianische Provinz: Brasilien, Rio de Janeiro (Glaziou n. 16692!, 

 Riedel n. 1147!, Sellow n. 494!, 591 !). S. Paulo, Pederneira (Riedel n. 372). 

 Paraguay, Bernal Cue (Hassler n. 3375!), San Bernardino (Endlich n. 205!, 

 Hassler n. 2109!), Gordiliera de Altos (Fiebrig n. 132!, Hassler n. 743!), Mbatobi 

 (Balansa n. 4665!). — In Wäldern. 



7. DitaxiS Vahl. 



Ditaxis*) Vahl apud Juss. Euph. Tent. (18 2 4) 27 t. 7; Endl. Gen. II. (1836—1840) 

 1118; Pax in Engler u. Pranll, Pflzfam. III. 5. (1890) 4 4. — Argyrothamnia Sect. 

 Ditaxis et Sect. Aphora Müll. Arg. in Linnaea XXXIV. (1865) 145, 147; in DC. Prodr. 

 XV. 2. (1866) 734, 738; in Fl. Bras. XI. 2. (1874) 309, 312. — Tournesolia Baill. 

 Hist. pl. V. (1874) 181. — Argithamnia Sect. Ditaxis et Sect. Aphora Benth. in 

 Benth. et Hook. f. Gen. III. (1880) 303. — Argythamnia Sect. Ditaxis et Sect. Aphora 

 Post et O. Ktze. Lexicon (1904) 43. 



Flores monoici vel rarius dioici. Calyx (jf* in alabastro ovoideus, clausus, per 

 anthesin valvatim 5-partitus. Petala 5, calycem aequantia vel superantia, integra, inter 

 se libera, androphoro (columnae) basi unguibus dz adnata vel sublibera. Disci glan- 

 dulae 5, episepalae, androphoro elongato zb adnatae vel subliberae. Stamina fertilia 

 biverticillata, saepe 10, saepe verticillus superior oligandrus, staminibus 3 vel 4 constans; 

 staminodia verticilli tertii filiformia vel nulla, vertici androphori cylindrici inserta; fila- 

 menta satis brevia; antherae ovatae, longitudinaliter introrsum dehiscentes. Ovarii 

 rudimentum nulluni. Sepala Q 5, vel rarissime 6. Petala 5, rarissime 6, calycem 

 aequantia vel saepius eo breviora, integra. Disci glandulae episepalae quadratae vel 

 cylindricae vel filamentiformes. Ovarium intra calycem fere sessile, triloculare; styli 

 basi connati vel liberi, bifidi; rami cylindrici vel antice dilatati vel bilobi. Ovula in 

 loculis solitaria. Capsula tridyma, in coccos 2-valves a columella persistente dehiscens, 



*) Nomen derivatum a vocibus graecis xet'£ig = ordo et dig = bis, propter stamina fer- 

 tilia in verticillos 2 disposita. 



