a a Nl A tl 
Fea ep a pe FT Pe 
Aponogeton. | NAIADACE% (Bennett). 43 
ot be, or distichous flowers; the young flower enclosed in a deciduous 
Distris. Asia, Africa, - Australia. 
ich ry a distinct lam 
abe than ‘ha’ rire 
Bate 
es 1-3 in. long, Le? lin. broad... oad SER) rn, 
Sens 4-8 in. long, $-24 in. broad ve ... (2) distachyo: 
Leaves 5-9 lin. long, 1—2+ lin, a plan(S) peste 
Bracts re lage or bina than the flow 
Leaves oblong, subcordate or retary the base. 
eaves 41-8 in in. long ; spikes 3-4 in. long... (4) H 
Leaves 2}-5 in. long; spikes #-2 in. long... (5) xan: 
Leaves ficGenichehil tapering at the haus, 23-51 in 
ong ‘ (6) natalense. 
Leaves oblong or _ oblong: lanceolate, usually 
rounded at the base, 1}-1} in. long... ... (7) Rehmanni. 
Leaves not or only slightly ila into a lamina : 
Leaves linear or subulat: : aes ... (8) spathaceum. 
Leaves filiform or ea(aliaéy ibe .. (9) erinifolium. 
1. A. angustifolium (Ait. Hort. Kew. i < 498) leaves linear- 
lanceolate, submerged, SpaD variable in “Jength and breathes 
nervules indistinct ; spike few-flowered ; flowers pale 
bracts white ; sepals ieee ; stamens 6; follicles amaaih 
attenuated into a beak 1 the length of the ovary. Bot. Mag. t. 1268; 
ri Jahrb, viii, 272; Durand and Schinz, Conspect. Fl. Afr. v. 
oe AFRICA: without locality, pig ae ie rg! 
ast Region: Cape Div.; Riet Valley on Cape Flats, Krauss! Pas 
Point near Cape Town, Bhiresy ! Paarl Div. ; ; Berg River, near Paarl, Dré 
A. distachyon (Linn. f. Supp. 215) ; stem base tuberous ; leaves 
laneeolate-ovate, longly-petiolatz ; floating leaves obovate, ovate or 
variable (much like Potamogeton natans) ; spike bifid, dense-flowered, 
each 1-2 in. long; peduncle stout, thickening upwards ; flowers 
white ; ; sepals lanceolate-ovate ; stamens Thunb. Nov. Gen.7 4; 
Andr, Bot t. Rep. v. t. 290; ‘Bot. Mag. t. 1298 ; a Jahrb. viii. 
272 ; Durand and Schinz, Conspect t. Fl. Afr. v 
Sour Arrica: without locality, Thunberg ! see Be klon ! 
Coast Cape Div.; ponds near Cape Town, iDeschell, 670! 
yuberg, Drége! Cape Flats, Krauss, 1605! Raaien, 1872! Paarl Div. ; 
streams near Paarl, Thunberg, Berg River, Drége! George Div.; near George, 
Rogers! Hum ansdorp Div, ; Kromme River, Burchell, 4883! Vit tenhage Div., 
Beckton and Zeyher, 107! 
3. A. gracilis (Schinz in Durand and Schinz, Conspeet. Fl. Afr. v. 
492, hae only) ; leaves floating, linear-oval or elliptical, acute or 
obtuse at the base, 5-10 lin. long, 1-2} lin. wide; petiole in. 
long, filiform ; ake 2-4 lin. long ; 5 flowers small; carpels 3; seeds 
oblong, ecostate 
KALAHARI icons Transvaal; Houtbosch, Rehmana, 5761! 
- This Species mbles 4. Rehmanni, Oliv., but is much more —_ and 
has 3 instead of t 8-9 ¢ ‘rade, la m indebted to Dr.. Hans Schinz for the 
diagnosis of this species 
55 
° 
mM é 
= 
