460 MESEMBRYACE& (Sond.) [ Tetragonia. 
M. coriarium (Burch. Trav. 1,243). Used in tanning leather by the 
Hottentotts. Allied to M. uncinatum. 
M. magnipunctum (Burch. Trav. 1.272). Only the name. 
M. humile (Haw. Misc. 80). Founded on the very bad figure of 
Petiv. Gaz. t. 88, f. 8. 
M. graniforme (Haw. Misc. 82). Founded on the figure. Bradl. 
suce, t. 20, can be united with many others of Haworth’s species. 
M. guiganense (Klotzsch in Schenb. Reise.) The description is 
too imperfect to determine the section. 
Excluded from the genus Mesembryanthemum. 
M. filiforme, Thunb. ! herb. is not a Mesembryanthemum, but Aizoon 
or Galenia. 
M. crispum, Haw. (i. crispatum, Haw.) Founded on Pet. Gaz. t. 
88, f. 5, is doubtless a Composita, 
M.? villosum (Linn. Spec. 692), is probably a species of Aizoon. 
5-28 Il. TETRAGONIA, L. 
(By Pror. E, Fenzt.) 
Calyx 4-cleft, rarely 3-5-cleft, its tube adhering to the 4~5-horned 
ovary, lobes coloured within. Petals wanting. Stamens variable in 
number, solitary, or in fascicles, anthers oblong or linear. Ovary 3-9- 
celled, by abortion 1~-2-celled ; cells 1-ovulate. Styles as many as 
ovary-cells, very short. Drupe or long nut, winged or horned, indehis- 
cent, 1-9-locular, Seeds solitary in each cell. DC. Prod. 3, 451. 
Endl. gen.-n, 5164. Fenzl. Wien. Annal. 1839. 
Herbs or subshrubs with alternate, flat, fleshy, undivided, usually quite entire 
leaves _ axillary, sessile or stalked flowers. Name, from retpa, four; and ywvia, 
an ang! 
Ce 
ANALYSIS OF THE SOUTH AFRICAN SPECIES, 
IL Tetragonoides, DC. Stamens about as many as the calyx lobes. 
it topshaped, with 3-4 unequal wi ive sees » (1) Microptera. 
Fruit ovoid, 3-4 angled, saat — —. --- « (2) echinata, 
Il, Tetragonocarpus, Comm. Stamens more than the calyx lobes. 
1. Pr —Fruit with 3-4 wi 
Pedunculares. Decumbent herbs. Flowers on 
long peduncles, 
Prostrate : 
Papulose-hirsute ; lvs. rhomb-ovate or : 
elliptical ; calyx lobes 3—4 lines long (3) herbacea. ~ 
Papulose-pruinose ; lvs. spathulate-ob- 
long ; calyx-lobes 1-2 lines long ; 
Decumbent or ascendi , papulose-hirsute, 
Lys. obovate Se ohint | oandeds palys: 
lobes 1-2 lines long; styles shorter ... (5) nigrescens. 
lanceolate ... as 6) halimoides. 
(4) portulacoides. ys 
Lys. oblong or 
mast | ine. Annuals, with axillary, sessile, clustered flowers 
Calyx-lobes triangular-ovate ; Stam. 15-20; - 
ede ree ves ois oes ane (9) Ghemopodionden, ald coh 
