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146 BALFOUR—NEW SPECIES OF PRIMULA. 
Primula aerinantha, Balf. fil. et Purdom. (Muscarioides.) 
Perennis rhizomate parvulo foliis rosulatis petiolatis. Folia 
ad 8 cm. longa; lamina tenuis membranacea oblonga vel 
elliptica ad 5 cm. longa ad 3 cm. lata apice rotundata nunc 
subobtusa margine leviter serrato-denticulata dentibus hyda- 
thodo apiculate terminatis breviter ciliata utrinque sparsim 
puberula subtus pallidior pilis longioribus paucis costam mediam 
basim versus obtegentibus deorsum in petiolum ad 4 mm. 
longum vix viride alatum haud vaginantem gradatim attenuata. 
Scapus pro planta altus ad 30 cm. tenuis infra glaber supra 
inflorescentiam versus albo-farinosus spicam terminalem capi- 
tatam brevem plurifloram gerens ; bracteae deflexae inferiores - 
fertiles virides ligulatae acutae circa 5 mm. longae haud vagi- 
natae plus minusve albo-farinosae superiores floribus inhibitis 
axillantes latiores purpurascentes spicam coronantes; pedi- 
celli nulli; anthopodium nullum. Flores dense aggregati. 
Calyx ad 4 mm. longus plus minusve albo-farinosus poculiformis 
latus tubo membranaceo lobis tubum aequantibus inaequalibus 
posteriore maximo lanceolatis subacutis venulosis. Corollae 
omnino purpureae oculo pallidiore efarinosae tubus angustis- 
simus in flore brevistylo circ. 1.2 cm. longus erugosus exannu- 
latus cylindricus supra stamina inflatus ad faucem constrictus, 
limbi concavi discus I mm. latus, lobi erecti obovati profunde 
emarginati segmentis integris divaricatis sinuque mucronato. 
Stamina filamentis brevissimis antheris angustis circ. I.5 mm. 
longis connectivo purpurascente in flore brevistylo supra medium 
tubi corollini inserta antherarum apicibus ab ore circ. 1.5 mm. 
remotis in longistylo infra medium inserta antheris ultra calycem 
exsertis. Ovarium globosum; styli delicatissimi brevis tubo 
corollae dimidio brevior, longus quadrante brevior; stigma 
parvulum capitatum. Capsula muro crustaceo late globosa 
parte superiore ultra calycis segmenta prolata inferiore calycis 
tubo inclusa ab apice ad basim valvis concavis latis 5 dehiscens ; 
placenta succulenta lata discoidea viridis infra centraliter affixa 
ex toto seminifera. Semina minutissima oblonga circ. I mm. 
longa vix 0.3 mm. lata complanata margine cellulis testae 
aeriferis alata. 
Species Sectionis Muscarioidis bene distincta P. cernuae, 
Franch. proxima sed foliis longe petiolatis margine denticulato- 
serratis, corollae tubo angusto longiore petalisque obovatis fere 
bifidis diversa. 
West Kansu. Lien-wha-shan. Alt. gooo-12,000 ft. Pur- 
dom. No. 738: ig1z. In Herb. Kew. 
“Kansu. Only known so far in one big gully on Lotus Moun- 
tain, where it occurs sparingly on mossy banks and ledges of a 
