182 PLANTAE CHINENSES FORRESTIANAE. 
This very distinct species looks very much like some Cerastium 
of the European Alps 
Arenaria napuligera, Franch., in Bull. Soc. Bot. France, xxxiii, 
429. Plant. Delavay., p. 92, Plate xxiva. 
Species vix annua. Flores nonnunquam albi, antherae 
violaceae. Styli - 
“ Plant of 3-6 Pe Flowers white, anthers violet. Ledges 
and crevices of cliffs in side valleys on the eastern flank of the 
Tali Range. Lat. 25° 40’ N. Alt. 11-12,000 ft. August 1906.” 
G. Forrest. No, 1881. 
“ Tufted plant of 3-5 inches. Ledges and crevices of lime- 
stone cliffs on the eastern flank of the Lichiang Range. Lat. 
27°25’. Alt. r1-12,000 ft. July 1906.” G. Forrest. No. 2622. 
aoe Arenaria ionandra, Diels. Sp. nov. 
Caules e basi ramosissimi purpurascentes, 7—10 cm. alti, in uno 
latere dense glanduloso-hirti. Folia crassiuscula, remota, spathu- 
lata, recurva, 3-5 mm. longa, glabra. Flores pedunculati. 
Sepala glabra oblonga, late hyalino-marginata, basi paulum 
saccata ibique atropurpurea, 4-4°5 mm. longa, 2 mm. lata. 
Petala late obovato-elliptica apice conspicue emarginata, 5 mm. 
longa, 5-6 mm. lata, alba. Stamina 4 mm. longa, antherae 
violaceae. Ovarium subglobosum 1°5 mm. diamet., styli 2, 
breves, I mm. longi. 
“ Plant of 3-4 inches. Flowers white, base of petals yellowish, 
anthers violet. On limestone drift in pine forests at base of 
cliffs on the eastern flank of the Lichiang Range. Lat. 27° 20’N. 
Alt. 11-12,000 ft. September 1906.” G. Forrest. No. 2go2A. 
In habit this species is very similar to A. napuligera, but 
differs by the glabrous calyx and having two styles only. A very 
similar form was collected near Yen-tze-hay by Delavay, No. 4322, 
in Herb. Paris. 
at 
49 Arenaria longistyla, Franch. var. pleurogynoides, Diels. 
: Ov. 
Typo omnibus partibus major; pedunculi 5-6 cm. longi. 
Folia 1°2-2 cm. longa. Sepala 6-7 mm., petala ad 10 mm. 
longa, 7-8 mm. lata. Styli speciminis Forrestiani 3 mm. longi. 
** Plant of 3-4 inches. Flowers white, anthers violet. On 
limestone drift at base of cliffs on the eastern flank of the Lichiang 
Range. Lat. 27° 20’ N. Alt. 12,000 ft. September 1906.” 
9 
This variety looks extremely like Pleurogyne carinthiaca. A. 
longistyla differs from A. tonandra in its long-pedunculated 
flowers, the longer and narrower leaves, and the rounded, not 
