Ditaxis. 6 { 



Nota. Cl. Grisebach speciem pro D. catamarcensi dcclaravit, sed flores toto coclo 

 diversissimi sunt. — Nomen dcdimus in honorem Eugenii Jablonszky Hungari, de Flora 

 Garpathorum et de herbario Vratislaviensi optime merili. 



13. D. Fendleri (Müll. Arg.) Pax et K. Hoffm. — Argyrothamnia Fendleri Müll. 

 Arg. in Linnaea XXXIV. (1865) 145; in DG. Prodr. XV. 2. (1866) 737. -— Aphora 

 Blodgettii Torr, in Ghapm. Fl. South. U. Stat. 2. ed. (188 4) 408. — Ditaxis Blod- 

 gettii Pax in Engler u. Prantl, Pflzfam. III. 5.. (1890) 45; Small, Fl. Southeast U. St. 

 (1903) 699. — Argythamnia savanillensis 0. Ktze. Rev. gen. II. (1891) 593. — 

 Argyrothamnia Blodgettii Ghapm. Fl. South. U. Stat. 3. ed. (1897) 431. — Argi- 

 thamnia cochensis Johnston in Proceed. Amer. Acad. XL. (1905) 6 88. — Croton 

 argyrothamnoides Bertero in Sched. — C. argithamnoides Steud. Nomencl. ed. 2. I. 

 (1840) 445. — Fruticulus y 3 — 1 1 / s m altus ; rami distincte angulosi, ramuli graciles, 

 juveniles cum foliis junioribus pilis malpighiaceis adpressis vestiti, mox glabrali, apice 

 purpurascentes. Petiolus 1 — 5 mm longus; limbus 2 — 6 cm longus, 12 — 25 mm latus, 

 lanceolatus vel oblongo-lanceolatus, basi acutus, apice acutus vel acuminatus, mem- 

 branaceus, crenulato-serratus vel integer, demum glabratus, 3 — 5-nervius; costae 

 praesertim subtus satis prominentes; stipulae 1 mm longae, subulato-lanceolatae. Racemi 

 abbreviati, monoici, basi florem Q unicum, deinde q? 3 — 6 gerentes; rhachis cum 

 pedunculo 5 — 7 mm longa, adpresse pubescens; bracteae Qf* et Q triangulari-ovatae, 

 concavae, 1 — 2 mm longae; pedicelli valde abbreviati. Sepala tf 5, anguste lanceo- 

 lata, acuta, extus pilosa, intus subglabra, 4 mm longa; petala spathulato-lanceolata, 

 cum sepalis db hyalina, columnae breviter adnata, inferne nervo medio incrassata, 

 extus pilosa intus glabra, calycem aequantia; disci glandulae trianguläres, columnae 

 adnatae, glabrae; stamina 10, manifeste biseriata; staminodia nulla vel minutissima. 

 Sepala Q 5, 5 — 6 mm longa, anguste lanceolata, acuminata, extus et intus parce pilosa, 

 margine plana, post anthesin vix accrescentia; petala calyce multo breviora, spathulato- 

 vel rhombeo-lanceolata, acuta, ciliata, facie parce puberula vel glabrala, ungue incras- 

 sata; disci glandulae liberae, glabrae; ovarium dense sericeo-vestitum; styli ad medium 

 vel ultra medium in columnam pilosam connati, apice breviter bifidi; lobuli non vel vix 

 dilatati. Capsula adpresse pubescens, 4V2 mm ^ a ^ a > depresso-tridyma. Semina globosa, 

 foveolato-reticulata, apice acuta, 2 mm diametientia. 



Westindische Provinz: Florida (Cabanis!); Key West (Gurtiss n. 2527!, 

 Lansing n. 2082!). 



Gisäquatoriale Savannenprovinz: Venezuela (Fendler n. 241 3), La Guayra 

 (Gollmer!, Warming n. 565.'), Caracas (Gollmer!), Maracahibo (Moritz n. 1325!), 

 Gumana (Humboldt!). — Insel Goche (Johnston n. 12!). — Curacao (Suringar!). 

 — Trinidad, Patos-Insel (Broadway n. 2655 !). 



Subäquatoriale andine Provinz: Columbien, S. Marta (Bertero n. 2527!, 

 H. H. Smith n. 1218!, 1474!), Cartagena (Billberg!). — Sandige Standorte. 



Nota 1. Specimina mexicana non vidimus. 



Nota 2. Affinis D. gicatemalensi, a qua indumento mox evanido, colore partium, stami- 

 nodiis dr reduetis, petalis Q latioribus et stylis aliter divisis diagnoscilur. 



1 4. D. purpurascens (Sp. Moore) Pax et K. Hoffm. — Argithamnia purpuras- 

 cens Sp. Moore in Transact. Linn. soc. 2. ser. IV. (1895) 466. — Fruticulus fere 

 semimetralis; ramuli graciles, angulosi, purpurascentes, tantum juveniles adpresso- 

 pilosi, mox glabrati. Petiolus 3 mm longus; limbus 5 — 7^ cm longus, 1 1 / 2 — 2 l /2 cm 

 latus, lanceolatus, acutus vel acuminatus, basi acutus, membranaceus, minute serrulatus, 

 trinervius, juvenilis purpurascens, pilis malpighiaceis adpressis vestitus, mox glabrescens; 

 stipulae setaceae, 2 V2 — 3 mm longae. Racemi abbreviati, breviter peduneulati, basi 

 florem Q unicum vel 2, deinde tf 4 — 6 gerentes; rhachis 7 mm longa, hirtella; pedi- 

 celli breves, calyce breviores, fruetigeri 2 mm attingentes; bracteae ovatae, acutae, 2 mm 

 fere longae. Sepala q 1 5, lanceolata, acuminata, hyalina, extus vestita, intus glabra, 

 4 mm longa; petala calyce paulo breviora, ovato-lanceolata, breviter acuminata, dorso 

 obsolete puberula, columnae breviter adnata; disci glandulae parvae, ovatae, obtusae, 



