Hermann Wolff: Umbelliferae novae. III. 565 
CXXI. Hermann Wolff, Umbelliferae novae. II.) 
(Originaldiagnose.) 
10. Bupleurum Muschleri Wolff, nov. spec. (Sect. Eubupleura Brig. 
Subsect. Juncea Briq.) 
Planta annua, stricte erecta, submetralis. Caulis subvirgatus, leviter 
flexuosus, obsolete angulosus, inferne 2—2!/, mm crassus, a basi ramo- 
sissimus, ramis valde elongatis, suberectis vel patulis, virgatis, iterum 
iterumque ramulosis, ramulis erecto-patentibus, tenuissimis, eximie qua- 
drangulis. Folia basalia s. a. jam emortua, suffulcientia rameaque an- 
gustissime linearia, amplexicaulia, acutissima, paucinervia, ramis ramulisve 
multo breviora. Umbellae numerosissimae, terminales pedunculo. 1—2 cm 
longo, quadrangulo fultae, 2(—3)radiatae, radiis valde inaequalibus, 
quadrangulis, ad angulos anguste alatis, majoribus usque 1!j em longis; 
laterales secus ramulos (usque ad 10 numero) singulae vel usque 3 ad 
ramulum perbrevem collectae racemiformiter dispositae, subsessiles vel 
brevissime pedunculatae, folio suffulciente haud raro superatae, 1—2 (—3)- 
radiatae, radiis plerumque valde abbreviatis et inaequalibus, ceterum ut 
in umb. term. Involucri phylla 2—3, radiis breviora, anguste lineari- 
lanceolata, longe acuminata, acutissima, 3-nervia; involucellorum phylla 
saepissime 4, raro 3 vel 5, anguste lanceolata, breviter acuminata, acuta 
3-nervia, nervo medio subtus carinata, umbellulas florentes subsuperantia. 
Flores in umbell. singulis 3—4, brevissime pedicellati; petala flavida, in- 
tegerrima, glabra, a dorso visa subsemiorbicularia, valde convexa, apice 
umbonata, lobulo inflexo quadrato vel late rectangulari vix breviore, 
apice emarginato instructa, ca. 1 mm lata; styli brevissimi (etiam in 
fructu juvenili); stylopodium plane depressum, ovarium s. a. vix, postea 
haud lateraliter superans. Fructus junior prismaticus, ad 2 mm longus; 
vittae amplae, valleculares singulae, commissurales 2. 
Aegyptus superior: Edfu, ad comporum margines, fl. II. 1904 
detexit cl. Dr. R. Muschler. (Herb. Delessert.) 
Species. nova proxima B. Heldreichit Boiss., quod differt habitu, um- 
bellarum lateralium dispositione, petalis flavido-purpurascentibus margine 
lacero-denticulatis et dorso papillulosis. Adhuc ex Africa (mediterranea) 
tantum unica sub sectione „Juncea“ species nota erat, nempe JB. tricho- 
podum Boiss. et Sprun. quod in Cyrenaica olim detexit cl. Taubert. 
1) Cf. Rep. IX, p. 417, das die Nummer II mit den Arten 4—9 erhalten 
muss, Fedde. 
