re ee 
wi 
I. 
aeg zur Kenntnis der afrikanischen Flora. (XXVIL) 
(Neue Folge.) 
Herausgegeben von Hays Scuinz (Zürich). 
Mit Beiträgen v 
Albert Thellung (Zürich) und Hans Schinz (Zürich). 
(Als Manuskript eingegangen am 8. Juli 1916.) 
Euphorbiaceae. 
Albert Thellung (Zürich). 
Euphorbia ($ Anisophyllum) austro-oceidentalis Thell. spec. nov. (Syn.: 
E. Aegyptiaca N. E. Brown! in Thiselton-Dyer Fl. Trop. Afr. VI, 
1,3 [1911], 507 ex p. [quoad pl. Afr. austro-oce. germ.] — non 
Boiss.), 
Annua vel perennans, radice saepe crassa (ad 5 mm), fibrosa. 
Caules complures (ad 10) ex eadem radice, e basi decumbente ar- 
cuato-ascendentes, 10—20 cm longi, fere a hasi ramosi, cylindrici, 
+ 11mm crassi, ad nodos valde fragiles, albidi, eircumeirce aequaliter 
tomentosulo-pubescentes, pilis albis debilibus + '/ı mm longis curvato- 
adpressis, satis dense foliati. Folia omnia opposita, breviter (+ 1 mm) 
petiolata, ovato- vel elliptico-oblonga, majora 7—10 mm longa, 
3//e—5 mm lata, apice rotundata vel breviter acutiuseulo-apieulata 
et subtiliter serrulata, ceterum integerrima, basi valde inaequalia (uno 
latere cordata, altero rotundata vel attenuata), erassiuscula, pallide 
virentia (interdum rubro-marginata), basi distincte palmatim 5 nervia, 
supra subglabra, infra puberula. Stipulae inconspicuae, petiolo bre- 
viores, hyalino-membranaceae, e basi triangulari subulatae, saepius 
bifidae vel basi dente profundo auctae, pilis 2—3 cellularibus (cellulis 
uniseriatis) eiliato-puberulae, eeterum integerrimae. Cyathia in ramulis 
brevibus lateralibus satis dense approximata, breviter (/.—1 mm) 
et crasse pedunculata, bracteis minutis elliptico- vel spathulato-lan- 
ceolatis praeter eilia (ex cellulis uniserialibus constantia) integerrimis 
intermixta, 1—1'/ı mm longa, °/«—1 mm lata, anguste turbinata vel 
campanulata, extus tomentosula, intus infra glandulas ciliato-puberula, 
, lobis breviter triangulari-lanceolatis glandulas superantibus, extus et 
