BY G. I. PLAYFAIR. 3 



Localities referred to in this paper; the numbers correspond 

 to samples deposited in the National Herbarium, Sydney. 



In the Sydney district. 



Auburn 56, 135, 139, 148, swampy ground on railway opposite 

 Ritchie's; 57, 68, pool in the angle of meat-works siding; 1 19, 120, 

 140, 163, swampy ground on railway towards Rookwood. 



Botany 37, 92, water-reserve, weeds; 51, 152, ditto, ground- 

 collection; 91, 151, swampy ground near tram-terminus; 108, 142, 

 1 45, Gardener's Road, swamps. 



Botanic Gardens 3, 137, 150, gardeners' tank, weeds; 158, duck- 

 pond, weeds. 



Canley Vale 110, pool on railway towards Cabramatta, weeds. 



Centennial Park 11, 133, weeds out of ponds. 



Coogee 4, sphagnum-bog on cliffs, ground-collection. 



Fairfield 79, swampy ground on railway towards Guildford; 

 143, weeds, Orphan School Creek. 



Guildford 60, pool on railway, weeds; 45, 70, 77, 88, 146, ditto, 

 ground; 76, 114, pool on railway nearer Merrylands, ground. 



Parramatta Park 96, lake, weeds; 136, ditto, plankton; 165, 

 166, rainwater pools. 



In the neighbourhood of Lismore. 



Casino 189, weeds, Richmond River. 



Kyogle 218, 219, lagoons, ground-collection. 



Lismore 176, 183, 225, weeds, Richmond River; 240, swamp 

 on railway towards Woodlawn; 241, lagoon behind Foley's; 236, 

 237, lagoon near North Lismore Station; 238, 254, lagoon on 

 Goolmangar Road; 242, rainwater pools foot of Girard's Hill; 244, 

 ditto, near Drill Hall; 245, 246, ditto, vacant ground in Conway 

 Street. 



Sydney gatherings.— Out of 116 mixed gatherings, 40 con- 

 tained species of Trachelomonas in some quantity, with a varying 

 number of forms. Of these 40, 28 were off the ground, and only 

 12 out of weeds, to which must be added that, in the latter, the 

 forms of Trachelomonas present were almost invariably very 

 sparsely distributed. The larger number of samples contained 

 from 1 to 5 forms, but a few were very rich, yielding 10, 11, 12, 



