282 
of “Florida Kweek ”’ or “ Florida grass’ (after the een of 
Florida, near Johannesburg) “ Germiston Grass,” t is a 
favourite with leaf-cutting Termites, which eee give it a 
rather moth-eaten appearance if not kept properly mown, but it 
is well worth: introduction into warm countries, for lawn purposes. 
18. Convolvulus ornatus, Hngl.; Fl. Cap. iv. Sec. 2, p. 76. 
Sourn Arrica. Transvaal : Bloemhof Distr., farm, * Kaff- 
raria ’’ near Christiana, occasional, Burtt-Davy 12747, Mch. 1912, 
and 14031, May 1912; near Schweizer Reneke, Burtt-Davy. 
British Bechuanaland : Vryburg Div., Armoed’s Vlakte, Dec. 21, 
1911, Burtt-Davy 11729; Klipvlakte, Burtt-Davy 11127. Orange 
Free State : Bloemfontein Distr., Bester’s Put, Burtt-Davy 11774. 
Also in Sriansiend West and the Carnarvon Division of the 
Cape Provin 
An extension of known range. This plant is distinctly 
haracteriatio of the Southern Bechuanaland Region, and its 
occurrence in the Bloemhof District is another interesting 
connecting link between that Region and the 8. W. Transvaal. 
19. Erigeron linifolius, Willd. [Compositae-Astereae]; . 
canadensis, Tenore Syll. Fl. Neap. 428, non L.; Conyza ambigua, 
DC. Fl. Fr. Suppl. 468; Hrigeron ambiguus, Sch. Bip. in Webb. 
& Berth. Phyt. Canar. ii. 208, non Nutt. nec F. Muell.; H. bona- 
riensis, Hort. ex Link Enum. "Hort. Berol. ii. 323 (non wm 2), 
UTH tcA. Transvaal: Vereeniging Distr., Uitgevallen 
197, 1480 m. alt., Burtit-Davy in herb. Bolus; Marico Distr., 
near Zeerust, 1190 m., Nov. 1907, Burtt-Davy; Pretoria, Wilms 
672, Lansdell 68; Wotdartanten, Conrath 379; Rustenburg, — 
1400 m., Nation 270; Potchefstroom, Witbank, Johannesburg, 
Lydenburg, Volksrust and elsewhere throughout the settled 
parts of the Province, common as an alien weed of cultivated 
_ lands, stubble, waste places, fenders of fields, etc. Basutoland : 
Leribe, 1830-2130 m. alt., Dieterlen 339. Cape StOvENCE 
Bathurst Div., Martindale, 1916, Salisbury in herb. Cantab., 
far more common weed than Z. canadensis in S. Africa, and in 
Australia evidently confounded with it in Floras”; Cape 
Peninsula: near Klein Constantia and Claremont, Wolley- 
Dod 1302, 2050; Burgher Redoubt, Woodstock, April 1920, 
‘Burtt-Davy 18928 in herb. Cantab. 
onsidered to be a native of Western Asia, but now widely 
distributed through the Mediterranean Region, the Madeira, 
Canary, Cape Verde and Azores Isls., the Southern United States, 
Australia, Ceylon, India and South Africa. Said to have been 
introduced into Ceylon in 1864, with seeds from St. Petersburg. 
It is ae freely by horses and cattle, but is a troublesome 
us, rapidly spreading and with a tough deeply 
cane fee not easily eradicated when well established. 
20. Erigeron canadensis, L.; Sowerby, ve Bot. t. 2019; 
Syme, Engl. Bot. t. 773 (both good) Leptilon canadense (L.) 
Britt. & Br., Ilustr. Fl. N. Amer. & Canad. iii. 391, fig. 3827 
(figure poor and showing a smooth ‘pappus). 
