ase" 
SIMPSON—ENUMERATION OF CHINESE ASTRAGALI. 245 
Astragalus Purdomii, N. D. Simpson. Sp. nov., ab A. mon- 
gholico, Bge. calyce bibracteolato, floribus purpurascen- 
tibus distinguendus. 
Herba erecta; caulis canaliculatus, pilis albis brevissimis 
sparse instructus. Folia ad 8 mm. longa, petiolis 0.5 cm. 
longis inclusis, rhachide pilis albis adpresse vestita, circa 15-juga ; 
foliola inferiora saepe alterna, superiora opposita, ovata vel 
oblonga, apice obtusa, mucronulata, distincte petiolulata, 
supra fere glabra, subtus pilis albis adpressis sparse instructa ; 
stipulae caulinares, inter se liberae, lanceolatae, acutae, ad 4 mm. 
longae. Racemt 6~-7-flori, pedunculis 4-5 cm. longis, pilis albis 
parce vestitis ; bracteae ad 3 mm. longae, lanceolatae, acutae, 
margine nigro-hirsutae; bracteolae 2, vix 2 mm. longae; 
pedicelli 3 mm. longi, pilis nigris adpressis dense vestiti. Calyx 
campanulatus, circa 6 mm. longus, pilis nigris sparse vestitus, 
dentibus subulatis ad 2 mm. longis, dense nigro-pilosis. Corolla 
sicco purpurascens, calycis tubum multo superans; vexillum 
late obovatum, emarginatum, 17 mm. longum, 8 mm. latum, 
in unguem 2 mm. longum sensim attenuatum ; alae 15 
longae, 3.5 mm. latae, lamina apice rotandata basi Gbtase 
auriculata, ungui g mm. longo; carina 15 mm. longa, 3.5 mm. 
lata, auricula obtusa 1 mm. longa, ungui g mm. longo. Stamina 
diadelpha. Ovarium glabrum, uniloculare, longissime stipitatum, 
circa 10-ovulatum, stylo glabro ; stigma capitatum. . 
N. China: cultivated by Messrs. Veitch & Sons from seeds 
collected by Purdom. 
Astragalus saxorum, N. D. Simpson. Sp. nov., ex descrip- 
tione ab A. mongutense, Lipsky, fiction ro mm. longis, 
bracteis vix 1.5 mm. longis, calyce et tota planta albo- 
hirsuta recedit; ab A. alpino, Linn., indumento facile 
distinguendus. 
Herba cinerea, partibus omnibus pilis albis dense vestita, 
thizomate ramoso crasso; caules caespitosi, decumbentes, 
flexuosi, superne canaliculati, circa 20 cm. alti, pilis albis 
brevibus dense vestiti. Folia ad 6 cm. longa, petiolis ad 1.5 
cm. longis inclusis, 7-10-juga ; foliola inferiora alterna, oblonga 
vel obovata, 7 mm. longa, 3 mm. lata, apice saepe retusa, basi 
cuneata, breviter petiolulata, utrinque albo-hirsuta ; stipulae 
triangulares, reflexae, acutae, 3 mm. longae, 3 mm. latae, supra 
glabrae subtus dense hirsutae. Racemi densiusculi, ad 16-flori, 
pedunculis 3.5 cm. longis folia subaequantibus ; bracteae 
brevissimae, circa x1 mm. longae, pedicellos subaequantes. 
Calyx campanulatus, 2.5 mm. longus, dentibus acuminatis 
inaequalibus tubum subaequantibus. Corolla pallido-purpurea 
(ex oe vexilli lamina suborbicularis, in unguem angustum 
