Page:Journal of botany, British and foreign, Volume 34 (1896).djvu/117

 97 NEW AFRICAN ASCLEPIADS. By R. Schleohter and A. B. Rendle. Baseonema, gen. nov., subord. Periplocece. Calyx late cam- panulatus, segmentis 5 brevibus triangulari-ovatis, glandulis 5 minutis subulatis interpositis. Corolla alte 5-fida, lobis oblongo- ligulatis arete reflexis, tubo glandulis 5 brevibus crassis subter stamina et cum illis alternantibus coronato. Filamenta e basi lata subito filiformia, antheras glabras sagittatae, cum apiculo triangulari. Pollen granulosum, translatoribus spathulatis corpuscula subro- tunda instructis. Stigma convexum umbonatum. B. Gregorii, sp. nov. (PL 356 b). Frutex ramis longis teretibus sparse puberulis ; foliis breviter petiolatis orbicularibus obtusis breviter pubescentibus ; cymis effusis trichotome tum dichotome ramosis ; floribus longe pedicellatis, alabastris obtuse triangularibus hirtellis ; calycis segmentis quam petala multoties brevioribus ; petalis obtusis margine et dorso velut calyce hirtellis, glandulis crassis truncato-pyramidalibus. Hab. Kinani, East Ongalea Mts., J. W. Gregory, 1898. The long woody branches tapering very gradually from a base about 2 lines in diameter. The leaves If -2 in. long and broad; petioles 4-6 lines long ; branches of inflorescence 4-5 in. long ; pedicels 1 in. Flower-buds ^ in. long. The calyx-segments are ^ line long ; the corolla-lobes 4 by 1^ lines, sharply reflexed. The stamens (2^ lines long) rise separately from the corolla with an ovate triangular base (^ line long), passing into the very slender upper half of the filament {^ line long) ; the pollen -carriers are shaped like a shoe-horn, and 1 line in length ; the short appendages of the anthers converge over the top of the short stigma. The short thick glandular appendages of the corolla are less than ^ line long ; they rise from the top of the very short tube just below the insertion of the stamens, with which they alternate. Near Pentanura BL, from which, however, it is at once dis- tinguished by the almost exappendiculate anthers with broad bases, and also by the presence of the whorl of corolline appendages below the stamens. Raphionacme Welwitschii, sp. nov. **Herba tubere maximo, depresso-hemisphserico, 3-5 poll, diametro, copiose lactescente per- ennans ; caulibus flagelliformibus, nunc erectis, nunc volubilibus et scandentibus " (Jlde Welwitsch MS.) ; foliis oblongis vel spathu- latis, breviter petiolatis utrinque dense cano-pubescentibus ; floribus in foliorum axillis numerosis aggregatis, *'ex albido purpurascenti- bus"; calyce velut pedicellis brevibus hirtello, segmentis ovatis cum glandulis singulis minutis linearibus interpositis; corollas non- dum apertae lobis ligulato- oblongis tubum plus duplo excedentibus, coronas squamis subulatis, cum dente parva utrinque instructis ; antheris oblongo-lanceolatis breviter apiculatis, translatoribus li- goniformibus. Journal of Botany, — Vol. 34. [March, 1896.] u