Tetragona. | MESEMBRYACE (Sond.) 461 
Calyx-lobes linear ; stam. 5-8; styler ... (8) galenioides. 
*** Macranthe. Calyx-lobes in bloom 4-6 lines 
long ; a hairy undershrub, with petioled, 
oblong or lanceolate leaves ... ... ... 
***® Fruticulose. Calyx-lobes in bloom under 4 
lines long ; shrubby or half shrubby, gla- 
brous or papulose, but not hairy : 
Leaves petiolate, 
Stem erect ; calyx-lobes ovate, obtuse, 
Flowers solitary, remote, sessile, (12) verrucosa. 
Flowers 2-3 together, pedicellate, 
(inaleafy raceme) ... ... (18) arbuscula. 
Stem decumbent, 
Flowers in a leafy raceme ; calyx- : 
lobes ovate, subacute ... ... (13) spicata. 
FL in a "Ba rages raceme ; 9 
calyx-lobes linear *... ... (16) calycina. 
Leaves sessile or subsessile, ike 
Decumbent, rough with papille, 
Lys. broadly ovate, subsessile, fi 
flat ges ees yee ee is 4( 9) -Gepamens, 5 
Lys. oblong or lanceolate, obtuse, 
with revolute margins «.  (t1) Zeyheri. 
Erect or suberect, i 
Papulose ; pruinose or canous, 
Lvs. sessile, oval-oblong or 
linear. Anthers oval ... (19) robusta. 
Lys. tapering Bont base, sub- e 
iolate. ers linear (20) sarcophylla. — 
ae ee lanceolate ; cal.- Ge) P 
lobes ovate, acute. Fruit 2-3 
(9) hirsuta. 
edie A an Tn ee 
Subglabrous ; leaves lanceolate 
or ? 
Calyx-lobes linear, blunt. 
it orbicular. Style 1 (15) psiloptera. 
Cal.-lobes ovate, obtuse. Fr. 
obovate, 3-4-celled ... (14) fruticosa. 
Cal.-lobes ovate, bluntish. 
Fr. orbicular. Style 1... (17) distorta, 
—Fruit wingless, evidently ribbed. . 
2. HaPLoGontia. wingl ly (on) its : ° 
Fruit 3-4-locular. Styles 3-4 .-. +. +. + N 
Fruit concalial: Styles HaB wis ove ove -ss- (23) oaligna, 
Section I. TETRAGONOIDES, DC. (Sp. 1-2.) 
1. T, microptera 
leaves deltoid-ovate io ovate-oblong, obtuse, attenuated in a short 
iole : flowers axillary, glomerate-sessile, very minute, 1—5-androus ; 
Pit 1-2 lin. long, poner iar erystalline-papulose, 3~4-quetrous at the 
base, substipitate, wnegually 3-4-winged, wings alternating with 3-4 
tubercles or very small wings; larger wings obverse-triangular, 1-2- 
dentate or entire. : 
trisperma ; flowers 4— 
fruit j-vloculer, wings unequal, one or two of them often bilobed, bidentate or 
Van. y. monosperma; flowers 1-3-androus, 1-2-gynous, a few 4-§-androus ; 
fruit 12-locular, wings mostly very entire. 
s-androus, 3-gynous, a few 1-2-androus, I-gynous ; 
enzl.), annual, herbaceous, glabrous, diffuse ; _ 
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