72 
NOVITATES AFRICANAE 
segmentis lanceolatis acuminatis, anterioribus ultra medium connatis; 
vexillum 8 mm. longum, lamina subrbomboidea, profunde emarginata, 
ungue 2'5 mm. longo; alae 7 mm. longae, lamina supra medium parum 
dilatata, 2 mm. lata, prope basin saccata, ungue 2-5 mm. longo; carina 
6 mm. longa obtusa, breviter calcarata, ungue 3 mm. longo; stamina 
carinae aequilonga, filamentis ultra medium connatis; ovarium adpresse 
sericeo-pilosum, 1-ovulatum, stylo superne glabro. 
Cape Province: South- Western Region; Stellenbosch Div., near 
Lourensford, top of kloof leading to “Triplets,” Hottentotsholland 
Mountains, near Somerset West, fl. Sept. 1926 T. P. Stokoe, 1376. 
Described from living and dried specimens. 
Mesembrianthemum aquosum, L. Bolus. Annuum decumbens, planta fere 
ad I met. diam. (fide Pillans), papillosum, papillis diversiformibus, nunc 
orbicularibus nunc oblongis, partibus herbaceis insigniter aquosis, laete 
viridibus vel interdum badiis, in siccis saepius pallidissime brunneis vel 
luteo-viridibus, ramis prostratis subteretibus ad 1 cm. diam., internodiis 
4 — 9 cm. longis, ramulis adscendentibus; folia saepius patentia, opposita 
vel superiora subopposita, teretia vel supra concava, obtusa, marginibus 
basin versus purpureis, 2 — 7 cm. longa, ad 1 cm. diam. ; flores irregulariter 
3-nati vel abortione 1 — 2-nati, per diem noctemque aperti, vespere 
odoratissimi, ad 5-5 cm. diam., pedunculis 1 — 4 cm. longis, medio vel 
prope medium bracteatis; receptaculum clavato-cyathiforme, apice ad 
2 cm. diam., in tubum ad 1 cm. longum productum; sepala 5, in fructu 
maturo persistentia, 2 foliis simillima, ad 1-6 cm. longa, 3 subrotundata, 
late atrateque membranaceo-marginata, 7 — 8 mm. longis ; petala numerosa 
pluriseriata angustissima, inf erne connata, tubo ad 1-4 cm. longo, parte 
libera ad 3-4 cm. longa, saepius acuminata, alba vel pallide straminea; 
stamina multi- seriata, tubo adnata, exteriora gradatim in staminodia 
patentia, ad 2-5 cm. longa, abeuntia, antheris pollineque pallidis; nec- 
tarium e foveolis 5 compositum; ovarium fere superius, alte conico- 
elevatum, stigmatibus e basi anguste subulata longe attenuatis, ad 1-7 cm. 
longis, stamina superantibus; capsula pyramidalis, ad 1-5 cm. alta, aqua 
expansa ca. 3-5 cm. diam., valvis 5, acuminatis, marginibus deflexis, alis 
membranaceis erectis, transverse oblongis, sat rigidis, ad Carinas apice 
tantum adnatis, carinis inter se parum distantibus, superne interdum 
contiguis, ad dimidium valvae attingentibus, alis loculi nullis, seminibus 
axillaribus fere rotundis, vel semi-circularibus, pallide brunneis, levibus. 
Cape Province: Western Region; Little Namaqualand, 7 miles from the 
mouth, and 3 miles south, of the Orange River, fl. Oct. 1926, N. S. Pillans, 
4928. 
1 have not been able to place this species in any of the genera recently 
created by Mr Brown. It appears to come very near Hydrodea, but the 
