44 MONOCOTYLEDONEJ. ECHINODORUS. 
verticillis paucifloris, floribus parvis, carpellis 9 dispermis. — Kunth 
' Enum. 3, p. 155; Mueller Fragm. 8, p. 215; Benth. Fl. Austral. 7, 
p. 186. Actinocarpus minor Brown Prodr. p. 343. Alisma minus 
Spreng. Syst. 2, p. 163. Actinocarpus australis Spreng. in Ersch. et 
Gruber Encycl. 1818, 1, p. 348. Dam. minus Buch. Ind. p. 20. 
© Planta gracilis, 10-30 cent. alta. Radices fibrosæ. Folia mem- 
branacea, ovata vel lanceolato-ovata, basi leviter cordata, apice 
angustata, mutica, 3-5 nervia, 20-50 mill. longa, 6-25 mill. lata; 
petioli complanati, limbum valde superantes. Scapus erectus, simplex 
vel ramosus, a medio floriferus, verticillis valde remotis 3-8 floris. 
Bracteæ exteriores scariosæ, ovatæ, acute, 4 mill. longæ. Flo- 
res parvi post anthesin erecto-patentes, pedicellis sub anthesi 5 
mill. postea 20 mill. longis. Sepala ovata, obtusa, circa 1 mill. 
longa, post anthesin patentia. Petala integra, sepala paullo supe- 
rantia. Stamina 6. Ovaria 9 stylo brevi, crasso, apice recurvo coro- 
nata. Carpella 9 disperma, 5 mill. longa, lateraliter costata. Semina 
cristata. 
In humidis Nov: Hollandiæ (Calley); N. S. Wales, Port Jackson 
(Gaudichaud in herb. Mus. Par., Brown in herb. Brit. Mus.); Victo- 
ria, Melbourne (Mueller in herb. Kew, etc.); in Australia occid. 
(Drummond, n. 99 in herb. Kew); Queensland (Bowman, Parrott, etc., 
fid. Benth. 1. c.). 
V. ECHINODORUS L.-C. Richard Mém. Mus. 1, p. 365; Engelm. 
in Gray, Man. of Bot. ed. 1, 1848, p. 460; Aschers. Fl. Brand. 1, 
p. 651; Buch. Ind. crit. p. 20. Alismatis species Kunth Enum. 3, 
p. 191 et auct. 
Flores $. Sepala 3 a basi libera, persistentia, post anthesin erecta 
vel reflexa. Petala majora, decidua. Aestivatio imbricata. Receptacu- 
lum convexum. Stamina 6-30 vel plura, uniseriata, sepalo quoque duo 
opposita, vel in verticillos plures disposita, ad basim receptaculi, 
rariius ad basim sepalorum inserta; antheræ biloculares, extrors®, 
supra basim affixæ, loculis contiguis; filamenta complanata. Ovaria 
numerosa, supra receptaculum capitata, omnino libera. Ovula basila- 
riz, solitaria, erecta, micropyle extrorsa. Styli oblique apicales, con- 
tinui, persistentes, ovarium circiter æquantes, stigmate simplici. 
parvo coronati. Carpella numerosa, coriacea, in fructum plus minusve 
echinatum congesta, capitata, stylo aristata, vix compressa, costata, 
glandulis lateralibus instructa vel rarius iisdem destituta. Semina 
