Lemna.) CLXVII. LEMNACEZ. (J. D. Hooker.) 557 
obovoid tumid beneath, ovules 2-7. Reichb. Ic. Fl. Germ. vii. t. 14; Boiss. 
, Orient. v. 30; Hegelm. Lemnex, 145, t. 11-18. Telmatophace gibba, 
Schleid. in Linnea, xii. 391; Kunth Enum. iii. 6; Kurz in Journ. Linn. 
^ 1x. 266.—Lemna, Griff. Notul. iii. 221 (2nd species), Ic. Pl. Asiat. t. 
Still at throughout INDIA, ascending to 7000 ft. in the Himalaya,—Distris. 
n, 
,Frond 3-4 in. diam., opaque, young sessile, cells beneath very large, epidermis 
ih flernous walls. Root-sheath elongate, cylindric, root-cap acute. Stamens 2. 
lecircumciss, Seeds erect, anatropous, albumen scanty or 0. 
XA trisulca, Linn. Sp. Pl. 970; root solitary, frond oblanceolate 
lip serrate young hastate persistent, ovule solitary. Kunth Enum. iii. 5; 
ho, Je, FI. Germ. vii. t. 15; Hegelm. Lemms, 134, t. 5, 6; Boiss. F l. 
Orient. vi.29; Dalz. & Gibs. Bomb. Fl. 281. L. craciata, Rozb. Fl. Ind. iii 
%—Lemna, Griff Notul. 218 ; Ic. Plant. Asiat. t. 262. 
T PANJAB, Stewart, BENGAL, The Concan, MUNNEPORE, and BURMA.—DiISTRIB. 
emp, and trop. regions, 
. ronds A3 in, long, young on one or both sides placed cross-wise to the old ; 
pidermis 0, Root-cap acute. Style very short. Seed hemianatropous, horizontal ; 
Tough, grooved. 
ts polyrrhiza, Linn. Sp. Pl. 970; roots many, frond herbaceous 
Rein Y obovate or orbicular flat or nearly so 7-nerved, ovules 1-2 erect. 
» Ic 
pma, xiii, 392; E iii 151, t. 13-15; 
1 » ^I. ; Kunth. Enum. iii. 7 ; Hegelm. Lemne, 151, t. ; 
Boiss, p]. Orient, v, 30. 
Common throughout INDIA and CgYrox.—DisTRIB. Temp. and trop. regions. 
ronds 42 in, diam., dark green above, usually purplish beneath ; epiderma] 
* with flexuons walls. Spathe 2-lipped. Stamens 2. Ovules 1-2, semianatro- 
ie. urz describes a var, concolor with much larger fronds, green on both sur- 
» A8 occurring under trees in Bengal. 
wi wë 9ligorrhiza, Kurz in Journ. Linn. Soc. ix. 267, t. 5; roots 
vii. 16 vads membranous ovate or oblong 3-5-nerved. Benth. FI. Austral. 
Thiza 3. pirodela oligorrhiza, Hegelm. Lemnæ, 147, t. 16. s. melanor - 
and pleioirrhiza, P^ Muell. ex Kurz in Seem. Journ. Bot. (1867) 115. 
wë At, Kurz, and elsewhere in India.—DisTRIB. Trop. Asia, Australia, Poly- 
Fronds 3-3 in, Jon Dann tn cireinate grouns 
` road, thin, shining, collected in circinate groups, 
Kl bet, Roots 5 very lone Flowers as in L. minor.—Kurz, from whom 
L. pol ve characters are taken, says that he at first took it for an extreme form of 
the rhiza, in company of which he always found it in Bengal; but on discovering 
Rinor ers he considered it distinct. It has the general form and size of L. 
abo 
2. WOLFFIA, Horkel. 
ronda i i i ing the flowers on 
t ike grains of sand, rootless, proliferous, bearing the flowers 
ù Quer surface. Spathe 0. Anthers sessile, l-celled. Style short, stigma 
sed; ovule 1, erect. 
Le Ww 
ha: ", 2?Thiza, ‘mm. Fl. Schles. 140; fronds subglobose. W. 
Micheli, Behtar Sen Bot 933, W. Delili, Kure in Journ. Linn. Suc. 
