_* 
256 
retusa vel subtruncata leviterque sinuata, = sepala interna duplo 
longiora (ad 1°8 cm. longa lataque) ; annulus staminifer Pay minus 
siepelly vavenil ad 6-plo Goktars duplo) ants Achenium sitar 
forme, alatum, leve.—P. fragiformis, Fr. Schm., Reis. Amurl. 
Sachal. p. 127 ; Miyabe, Fl. Kuril. p. 231: Matsudaira, i in Tokyo 
Bot. Mag. ix, p. 468, non Willd. =P. grandiflora, Maxim, in Bull. 
Acad. Imp. Se. St. Petersb. xix, Px 167, pro parte. 
NortHERN Japan. Yezo :~ without ord Maries ; Kom- 
Rare K. Miyabe, 1. vii. 1884; rocks on sea coast near 
emuro, Faurie, 3745, 5070 ; Eramachi, Oalitaa, Miyabe and 
Tohubuchi, 21. vii. 1890 : Tumoshiri, H. Takeda, vii. 1909; 
Samani, prov. Hidaka, Nirei, 25. vi. 1893. Kurile : isl. Eturup, 
near Rubetsu, Miyabe, viii. 1884, Mayr, viii. 1890; isl. Urup, 
eae tees 2 K. eect 15, vi. “1891; ee . Kitahara, 
cee hikawa, vi. 1894, K. oe viii, 1903. S Gar hatian: within 
locality, #r. Schmidt ; a T. Miyake, 8. vu. 1908. 
Potentilla fragarioides, ££. var. stolonifera, Maxim. forma 
trifoliolata, Takeda ; foliis radicalibus ternatis; a P. Freyniana, 
petiolis pilis patentibus villosis, foliolis supra pilosis subtus 
‘ praesertim ad nervos adpresse villosis ciliatis, stipulis caulinis 
aticidentdltie floribus majoribus, sepalis exterioribus interiora ante 
anthesin superantibus distinguitur. 
Cuina. Hupeh, Henry, 7895. 
XXXIII—BLUE COUCH: A NEW LAWN GRASS. 
(Digitaria didactyla, Willd.) 
QO. Srapr. 
In the eee Gazette of New South Wales of September 2, 
1910, Mr, Maiden called attention to a grass, known at Sydney as 
“Blue Couch,” the name referring to the hae preen is the foliage 
assumes in summer. It seemed to have appeared first about 
30 years ago, but without heise much noticed until recently when 
it was also found in the Sydney Botanic Garden, the Federal 
Government House € Grounds and in a private garden near Sydney. 
In every case it made its appearance in lawns, and although at first 
considered as an objectionable component it has now found some 
favour with experts as = following abstracts from the article 
referred to above will show. 
Mr. T. G. Weston, head gardener, Federal Government House, 
states : 
*1t is a first-class grass for piers porte it be kept close 
mown and aall watered during dry we 
