98 A FLORA OF GIBRALTAR AND THE NEIGHBOURHOOD 
LEMNACEZ. 
Lemna gibba L. Water nee occasional ; 4G: aks 
Inundation, de Comey III. i. Linea! ii. Palmones Playazo! 
iii. Palmones San 
L. minor L. si milar r places; locally se ery 4-6, UL 
Lajo below Almendral! ii. and iii. With the last! 
NAIADACE2. 
+Zannichellia macrostemon J. Gay. Pools; rare; 4-6. III. i. 
ear San Roque, Nilss. ii.!? My 1112, a young state, from a 
roadside pool towards Palmones sed may be this or Z. palustris 
L., a frequent species in the provi 
+P otamogeton americanus Ohai, & ras (P. fluitans Roth). 
Streams; locally common; 6-8. III. i. In the Lajo and its 
! m 
mps ! 
sillus L. var. elongatus Ar. Benn. Streams; rare; 5-6. 
3 presi L. - spiralis Dum.). In salt water; locally 
abundant; 8-10. Peduneles spirally coiled. I. The In undation is 
full of it! Near the convict station, K.; now built on. III. ii. 
and iii. Salt marshes at San Roque and Algeciras, Nilss 
Zostera marina L. In the sea or tidal rivers; ‘frequans® 
6-7. I. Western shores, K. II. and III. All round the 
Bay, = 
mia Caulini Koenig. In the sea; rare? 4-8. With 
large butt. of dead leaf sheaths at base, flowers i in longly peduncled 
spathes. I. Near the North Front Guard, Kel., Boiss. III. 1 
Algeciras, D. 
ALISMACER. 
tAlisma ranunculoides L. Pools, ditches and streams; very 
common; 4-6, II.! ITI. . 
A. Plantago L. Similar places; much less common; 4-6. 
The type has leaves teoedly rounded - cordate at base, iad is 
rare. III. i. Sand desert below Pedrer 
Var. lanceolata G. & G. with ele ds narrowed below, is the 
usual form. III. i. Lajo Valley! Carteian Hills! Campamento 
Common! ii. Algeciras, Rev. Palmones Playazo! iii. Salt Pans! 
JUNCAGINACER. 
Triglochin maritimum L. Salt marshes; rare; 4-5. Spikes 
dense, fruit of six carpels. III. i. Sand dunes below 8. Cat- 
bonera, D. 
T. Barreliert Lois. Fresh water marshes; occasional ; ~ 
Spikes very lax, fruit of = earpels. III. ii. Palmones Playazol 
iii. Guadarranque Marshes 
[T. palustre L. is ree eid from near Gibraltar by Schott (ex 
Colm. fi in redldttion to T. Butea but is unconfirmed.) 
