50 G. Grüning. — Euphorbiaceae-Porantberoideae et Ricinocarpoideae. 



basi breviter connati, integri vel profunde 2 — 7-fidi, vulgo 3-fidi; ovula in loculis 

 solitaria. Capsula ovoidea vel oblonga, abortu saepius 1-locularis, 1-sperma. Semen 

 oblongum vel fere globosum, laeve, carunculatum ; embryo, ubi notus, linearis, rectus, 

 cotyledonibus radicula longioribus, vix latioribus praeditus. — Frutices vel raro arbores 

 saepe glutinosi, äz stellato-tomentosi vel glabri. Folia alterna vel rarius opposita, ex- 

 stipulata, linearia, margine revoluta vel oblonga, plana, margine ± recurva, supra glabra 

 vel parce stellato-pilosa, subtus stellato-tomentosa. Flores vulgo axillares, solitarii vel 

 pauci inaequaliter evoluti, pedunculati vel sessiles, raro terminales tumque racemosi, 

 (fere) semper involucrati; bracteae apice peduncelli 2 — 8, parvae, imbricatae vel raro 

 decussatae, persistentes vel deciduae. 

 Species 19 australienses. 



Clavis specierum. 



A. Folia lata (oblonga v. orbicularia), plana v. concava . Sect. I. Euryphylla Grüning. 



a. Flores pedunculati; folia brevipetiolata; bracteae haud 



oppositae Subsect. 1. Pedunculatae Grüning. 



a. Folia adulta supra glabra. 



I. Folia elliptica, plana (1,5 — 4 cm X 7 — 16 mm); 



pedunculi graciles \. B. pomaderroides. 



II. Folia elongata, fere linearia, plana (2 — 7 cm X 



4 — 8 mm); pedunculus Q validus 2. B. Findlayi. 



III. Folia obovata, margine paulum recurva (1 — 1,8 cm 



X 4 — 7 mm); pedunculi graciles 3. B. oblongifolia. 



ß. Folia supra stellato-pilosa (3 cm X 1 — 1,2 cm); pe- 

 dunculi graciles 4. B. Brownii. 



b. Flores Qp sessiles; folia conspicue petiolata; bracteae de- 

 cussatae Subsect. 2. Sessiliflorae Grüning. 



er. Folia orbicularia, bullata, 4 — 13 mm longa; bracteae 4 5. B. rotundifolia. 



ß. Folia elliptica, plana (3 — 5 cm X 1 — 4,25 cm), op- 

 posita; bracteae 6 . 6. B. oppositifolia. 



B. Folia angusta (linearia v. lanceolata) margine revoluta v. 



recurva Sect. II. Stenophylla Grüning. 



a. Folia sublinearia v. lanceolata, fere plana, margine laxe 



recurva Subsect. 1. Recurvae Grüning. 



or. Pedicellus Q supra involucrum fere nullus. 



I. Folia supra dense stellato-pilosa (2 — 6 cm X 3 — 



6 mm); bracteae 10—12; styli 3 — 4-fidi . ... 7. B. oleifolia. 



II. Folia supra parce puberula (2 — 4 cm X 4 mm); 



bracteae Q vulgo 3; styli 5 — 7-fidi 8. B. polystigma. 



III. Folia supra scabriuscula, nitida (1,5 — 2,3 cm X 



3 mm); bracteae 5—6; styli 3-fidi 9. B. glandulosa. 



ß. Pedicellus Q 3 — 5 mm longus. 



Folia (2 — 6 cm X 4 — 6 mm), sublanceolata . . . 10. B. pedicellata. 



b. Folia angusto-linearia, margine fere usque ad costam re- 

 voluta Subsect. 2. Acerosae Grüning. 



a. Folia adulta scabrida vel inconspicue puberula. 



I. Capsula glabra. 



1. Folia 1 — 3 cm longa, 2 — 3,5 mm lata, obtusa; 



ramuli villosi 11 . B. gwnmifera. 



2. Folia 3 — 5 cm longa, 1,5 mm lata, acuta; ra- 

 muli glabri 12. B. pini folia. 



II. Capsula pilosa. 



4. Folia adulta 1 — 2 cm longa, scabriuscula, dr 



compressa 1 3. B. rosmarini folia. 



