Bupleurum. \ 55 



Nota. B. panniculatum Brot, cum B. rigido L. sub titulo subspeciei conjunxi, cum formae 

 inter species ambas ambiguae haud raro occurrunt; imprimis f. 2. nervosum transitum praebet 

 ad subspec. 1. f. 3. angusUfolium . 



Subsect. 6. Rigida (Drd.) Wolff emend. 



Sect. III. Rigida Drd. in Engl. u. Prantl, Pflzfam. III. 8. (1898) 181 p. pte. maj. 

 — Sect. 3. Nervosa Godr. in Gren. et Godr. Fl. France I. (1848) 719 p. pte. min. — 

 Bupleurum c. Spinosa et h. Frutescentia Calest. in »Webbia« I. (1905) 169. — Suffru- 

 tices humiles vel zb elati (usque 3 m alti). Folia, superioribus ad ramos novellos et 

 cum eis emorientibus exceptis, »sempervirentia«, zb coriacea, nervis parallelis vel zb 

 divergentibus, plerumque subinconspicue venosis percursa. Fructus vittis vallecularibus 

 singulis usque ternis conspicuis, rarissime zb obliteratis, intrajugalibus nullis vel rarius 

 singulis instructus. — Species ad 1 5 in area mediterranea occidentali tantum divulgatae. 



A. Folia angusta, */ 2 — 5 mm lata, linearia vel lineari-lanceolata, 

 acuminata, acuta vel zb obtusa. 



a. Ramuli steriles vel citius vel tardius cum radiis post 



fructum indurato-subspinescentes 80. B. spinosum. 



b. Ramuli radiique numquam subspinescenti-indurati. 

 a. Folia zb longe acuminata, acuta vel acutissima. 



I. Vittae intrajugales (minutae) obviae. 



1. Rami novelli plus minusve infracto-flexuosi, 

 anguloso-striati, ad angulos et inter strias zb 



manifeste scabridi S\. B. fruticescem. 



2. Rami hornotini semper subrecti, striati, laeves 

 vel sub lente tantum scabriusculi. 



* Folia usque 2 cm longa, usque 5 mm lata, 

 acutissima, prominenter nervosa; species in- 



sulae balearicae Mallorka propria 82. B. Barceloi. 



** Folia breviora, ca. usque 5 cm longa, usque 

 4 mm lata, apice cucullatim acuminata, nervis 

 supra subinconspicuis, subtus prominulis per- 

 cursa; species solum in insula Marettimo 

 obvia 83. B. dianthifoliinn. 



II. Vittae intrajugales nullae. 



1 . Flores fructusque subsessiles vel brevissime pedi- 

 cellati. 



* Truncus demum ± elongatus; folia ca. usque 



12 cm longa, 1—2 mm lata 84. B. Balatisae. 



** Truncus brevis; folia inferiora 2 — 3( — 6) cm 



longa, 2 — 2 l /2 mm lata 85. Ä Ghoulettii. 



2. Pedicelli flores aequantes, fructu haud plane 

 maturo breviores. 



* Truncus elongatus, ramosus; species algeri- 



ensis 91. B.montänum var. a. 



** Truncus subnullus, simplex (an semper?); 

 species adhuc tantum ex Hispania (et ex 



Mauritania?) nota . 86. B. acutifolium . 



ß. Folia apice obtusa vel obtusiuscula 87. B. oligactis. 



B. Folia lata, oblonga vel obovato-oblonga vel latissime linearia 

 vel lanceolato- linearia, usque 20 cm longa, usque 2V2 

 (raro 3) cm lata; cf. etiam C. 



a. Folia plerumque obovato-oblonga vel rarius anguste ob- 

 lanceolata vel subspathulata, obtusa, curvato-mucronata. 



