Wolfia.] LEMNACE. 1117 
*Rootlets several :—[p. 1116] 
otlets many; fronds herbaceous, broadly obovate or oe 
7-nerved 
Rootlets few, 2- 5; fronds membranous, ovate or oblong, 3-5- ave io 
oligorrhiza. 
2322. Lemna paucicostata Hegelm.; F. B. I. vi. 556. 
In most of the provinces. 
A minute, annual, floating herb. 
2323. Lemna rrisunca Linn.; F. B. I. vi. 557. L. eruciata 
F’. I. iii. 566. 
In the central and eastern provinces. 
A minute, annual, floating herb. 
2324, iets POLYRRHIZA Linn. ; F. B. I. vi. 557. L. orbicwlata 
F, I. iii, 565. 
In the central and eastern provinces. 
A minute, annual, age herb. 
2325. Lemna onrcorruiza Kur 52d «Ae, Le Vic 004 
C. Bengal, and perhaps elsewhere. 
7 A minute, annual, floating herb. 
1014. Wolffia Hork. 
Very minute ——, flattish, globose, or Perec produced 
below, rootless. Florets inserted in a groove on the upper nee 
of the ae ees ‘e $ Floret a Stamen soli 
filament short or long; anther ies 1- Se pollen se 
? Floret solitary, close to the lobose or ovoid ; 
Ovule solitary, orthotro opous. ha a ad utricle. Seed 
globose, erect ; testa thick; albumen scanty. 
Fronds subglobose arrhiza 
Fronds flat above, conical beneath . 
2326. WoLFFLA ARRHIZA Wimm. ; F. B. I. vi.557. Lemna globosa 
ll, 
microscopica 
a most of the provinces. 
minute, floating, annual her 
2327. Satin microscopica Kurz; F. B. L. vi. 658. 
A miosis auido uk annual herb. 
