80 DIAGNOSES SPECIERUM NOVARUM. 
Of it Mr. Farrer says: “ High alpine shingles. Locality for- 
gotten. It was considered only a form of No. 131. But these 
Asters, all of them, high alpine, alpine, and lowland are infinitely 
puzzling.” 
‘Aster limitaneus, W. W. Sm. et Farrer. Sp. nov. 
Species ex affinitate A. tongolensis, Franch. involucri phyllis, 
acheniis, pappo divergens. 
Caulis simplex 25-45 ¢m. altus monocephalus pilis longis 
patentibus albis conspersus infra bene foliatus supra subnudus. 
Folia radicalia vel subradicalia 6-10, oblanceolata vel sub- 
spathulata, 5-8 cm. longa, 1-1.5 cm. lata, apice rotundata vel 
obtusa basi sensim in petiolum vix discretum alatum attenuata, 
caulina 5-6 remota sessilia linearia circ. 2 cm. longa, omnia 
margine integra longiuscule albo-ciliata, supra vulgo glabra, 
infra ad costam nervosque sparse longiuscule albo-pilosa. 
Capitula longe pedunculata ampla ope radiorum 5-6 cm. dia- 
metro. Involucri phylla 2—3-seriata perplurima herbacea ob- 
longa subacuta 6-8 mm. longa, circ. 1.5 mm. lata, omnia 
per marginem totam longiuscule albo-ciliata, caetera glabra 
vel subglabra. Ligulae 30-45, circ. 2.5 cm. longae, 2.5 mm. 
latae, apice subintegrae, saturate coeruleae. Disci flores 4 mm. 
longi, flavi, extus sparse pilosuli. Achaenia (immatura) 2 mm. 
longa obovata pilosa. Pappus uniseriatus rigidus inaequalis 
I.5-2 mm. longus fulvidus. 
“ Beautiful in the high meadows and ridges of Eastern 
Tibet, near Kansu frontier, up to 11,000-12,000 ft.: in flower 
on the grassy arétes and passes, 7th-21st July 1914.”" Farrer 
and Purdom. No. 173. 
No. 226 is a variety. ‘‘It replaces No. 131 in the highest 
shingles of the Tibetan alps, 12,000-13,000 ft. 14th August 
IQI4.’ 
Of smaller size, but otherwise not far from the typical plant. 
WU Yaster sikuensis, W. W. Sm. et Farrer. Sp. nov. 
Species habitu foliisque simillima A. holophyilo, Hemsl. a 
quo acheniis pappoque multo differt 
Caulis fruticulosus ramosus gracilis striatulus bene foliatus 
undique molliter breviterque pilosulus:; pars superior tantum 
visa ; planta verosimiliter 30 cm. alta vel paulo elatior ; basim 
versus defoliatus esse videtur. Folia vix petiolata anguste 
oblongo-lanceolata vel subelliptica vulgo + 2 cm. longa, 5 mm. 
lata, apice subobtusa apiculata basi late cuneata vel subrotun- 
data, chartacea, integerrima, supra atroviridia dense minute 
puberula, infra dense cinerascenti-tomentella; costa supra 
