l^gg F. Pax. — Euphorbiaceae-Hippomaneae. 



truncus inferne simplex, erectus, e radice spongiosa, incrassata enatus, superne sub- 

 umbellatim ramosus; ramuli striato-angulosi, tenues. Folia alterna, saepius ad apicem 

 ramulorum congesta, suprema saepe lutescentia; petiolus 3 — 5 mm longus, gracilis; 

 limbus 2 — 10 cm longus, 6 — i mm latus, linearis vel anguste lanceolato-linearis, basi 

 in petiolum decurrens, apice acuminatus, argute serrulatus, basi eglandulosus, firme 

 membranaceus, opacus; costae secundariae cum venis indistinctae; stipulae setaceae, 

 11/2™"^ longae, deciduae. Spicae terminales, rectae, validiusculae, 3 — 5 cm longae, 

 saepe omnino (J^', bracteae late trianguläres, acutae, (^ ±: 7-florae; glandulae peltatae, 

 cupuliformes. Calyx (^ 2-lobus; stamina 2; ovarium 3-loculare. Capsula 7 mm lata, 

 depresso-globosa, laevis; coccophorum 3-cornutum, 5—6 mm latum. Semina lactea,. 

 ± 4 mm longa, tuberculato-rugosa. 



Atlantisches Nordamerika: Von Florida bis Süd-Carolina, Sümpfe der 

 Pine Barrens. — Florida, Apalachicola (Curtiss n, 2509!, Biltmore Herbainum n. 3525b!). 



13. S. bicarpellaris Watson in Proeeed. Amer. Acad. XXI. (1886) 455. — Frutex 

 metralis; rami striati, lignosi, albido-corticati, cicatricosi, irregulariter i'amosi, laxe foliosi. 

 Folia alterna; petiolus \ — 2 mm longus; limbus 3 — 7 cm longus, 5 — 6 mm latus, 

 linearis, saepe zb falcatus, basi et apice acutus, distanter glanduloso-denticulatus, basi 

 eglandulosus, subcoriaceus, opacus, pallidus; costae secundariae et A^enae indistinctae. 

 Spicae terminales, tenues, i Y2 ^^^ ^^^'^ longae ; bracteae utriusque sexus late trianguläres, 

 acutae, q^ 9 — H-florae; glandulae peltatae, planae, rotundatae, 1 Y2 — 2 mm diame- 

 tientes. Caljx (^ 2-lobus; sepala ^ 2, late ovata, acuta; stamina 2; ovarium 2-loculare; 

 styli basi connati, crassiusculi. Capsula late ovoidea, apice acuta, laevis, 9 mm longa 

 et lata; coccophorum 5 mm latum, bicornutum. Semina 6 mm diametientia, subglobosa, 

 laevia, grisea: caruncula parva. 



Tropisches Centralamerika: Mexiko, Coahuila, Jimulco-Berge (Pringle n. 128!). 



14. S. patagonica (Spegazz.) Pax et K. Hoffm, — Colliguaya patagonica Spegazz. 

 in Revist. Facult. Agron. y Veter. La Plata (1907) 572. — Frutex glaberrimus, metralis 

 et ultra, dense ramosus; rami rigiduli, subfasciculati, apice spinescentes, sigmoideo- 

 flexuosi vel plus minusve subcircinati. Folia petiolo vix 1 mm longo suffulta, glabra, 

 nulla vel pauca tanlum in ramis junioribus, alterna, remota, mox caduca, internodia 

 aequantia vel breviora, hnearia, 10 — 18 mm longa, 2 — 4 mm lata, apice obtusiuscula 

 vel acuta, basi breviter cuneato-attenuata, crassiuscule membranacea, rigidula, integerrima, 

 plana, deorsum ad initium attenuationis utrinque dente vel glandula majuscula, obtusa, 

 sessili ornata. Spicae axillares, saepius solitariae ad nodos intermedios ramulorum 

 novellorum, 0/2 — 5 cm longae, validae, densiflorae; bracteae ovatae vel suborbiculares, 

 sessiles, basi utrinque glandula oblonga, majuscula, peltata ornatae, (^ 2-florae. 

 Calyx (^ 2-lobus; stamina 2. Flores ^ ignoti. Capsulae ad bractearum axillam 

 saepius solitariae, sessiles, subovatae, didymae, biloculares, infei'ne rotundatae, non vel 

 vix cordato-sinuatae, superne rotundato-subacutatae, 10 mm longae et latae, 6 mm 

 crassae, medio valide sulcato-constrictae, glabrae, virescenti-cinereae; coccophorum bi- 

 cornutum. Semina subglobosa, 6 mm longa, 5 mm crassa, ventre non vel vix applanata, 

 utrinque obtusa, testa coriacea, rigida, cinerea, glabra, minute irregulariterque fusco- 

 maculata, apice caruncula subpyramidata, alba, pu§illa coronata. 



Patagonien: Gebüsche am Rio Santa Cruz und Rio Chico (Spegazz in i), Chubut, 

 Valle de las plumas (Spegazzinü), Cabo Raso (Spegazzini!), Paso de los indios 

 (Spegazzinü). 



Nota. Species ccrtissime ad genas Stillingiam ducenda est. 



15. S. salpingadenia (Müll. Arg.) Huber in Bull. Herb. Boiss. 2. ser. VI. (1906) 

 452. — Sapiuni salpingadenium Müll. Arg. in Linnaea XXXII. (1863) 121; Chodat 

 ot Hassl. in Bull. Herb. Boiss, 2. ser. V. (1905) 677. — Excoecaria salpingadenia 

 Müll. Arg. in DC. Prodr. XV. 2. (1866) 1209; in Fl. Bras. XI. 2. (1874) 624. — 

 Fruticulus 1/2 — 1 V2 ™ altus; ramuli striati, dense foliosi, brunneo-corticati. Folia 

 alterna; petiolus 2 — 5 mm longus; limbus 4 — 9 cm longus, 1 — 2 cm latus, ellipticus, 

 lanceolatus vel lineari-lanceolatus, basi et apice acutus vel subobtusus, crebre et acute 



