274 CRAIB—REVISION OF PETROCOSMEA. 
longa et lata, membranacea, supra viridia, sublaxe flaccide pilosa, 
subtus pallidiora, ad costam nervosque laterales densius pilosa, 
aliter pilosa, nervis lateralibus utrinque 3-4 supra obscuris 
subtus saepe subconspicuis, margine crenata, ciliata, petiolo ad 
6 cm. longo laxe piloso suffulta. Pedunculi ad ro cm. longi, 
laxe pilosi, bene supra medium parvibracteati, uni- vel bi-flori. 
Calyx extra pilosus, in segmenta 5 inter se subaequalia, lanceo- 
lata vel lineari-lanceolata, circa 3 mm. longa et basi 1 mm. lata, 
ciliata, 3-nervia partitus. Corolla distincte bilabiata, postice 
4 mm. longa, intra densius pilosa, antice 8.5 mm. longa, intra 
sparse pilosa, tubo 2.75 mm. longo ; labium posticum ad medium 
bilobatum, lobis rotundatis ciliatis, anticum paulo ultra medium 
3-lobatum, lobis ellipticis vel elliptico-obovatis apice rotundatis 
ciliatis. Stamina fertilia duo, glabra, filamentis basi curvatis 
1.5 mm. longis, antheris I-1.5 mm. longis. Ovarium breve, in 
calyce bene inclusum, stylo 4 mm. longo inferne longe barbato, 
stigmate parvo. Capsula circa 6 mm. longa. 
- Yunnan. Yunnan-sen, Maire, 2329! 
128 Kerrii, Craib in Kew Bull., 1918, p. 365. 
Siam. Doi Sutep, damp rocks in evergreen jungle, 1560 m., 
Kerr, 3361! Fl. Sept. 1914. 
11. P. Mairei, Lévl. in Bull. Acad. Geogr. Bot., xii, p. 166 (1903). 
Yunnan. Rochers des mont. 4 Tcha-ho; 2600 m., Fl. bleues. 
Maire, 89! et sine num.! FI. Aug. 
12. P. minor, Hemsl. in Hook., Ic. Pl., xxvi, t. 2600 (1899), 
pl. Henryana exclusa. 
Yunnan. Mengtze; on rocks, 6000-7000 ft. Hancock, 428 
(Herb. Kew !). 
ane 13. P. Duclouxii, Craib, sp. nov. 
Herba nana, rhizomate brevi. Folia omnia basalia, sub- 
erecta, plus minusve rotundata vel ovato-rotundata, apice rotun- 
data, basi saepissime cordata, saepissime 1-2 cm. longa et lata, 
chartacea, supra pilosa, subtus dense pilosa, nervis lateralibus 
utrinque 3-5 supra obscuris subtus interdum conspicuis, margine 
integra vel saepissime crenulata, petiolo sparse piloso usque ad 
7-5 cm. longo suffulta. Pedunculi numerosi, uniflori, saepe 
purpurascentes, sparse albo-pilosi, usque ad 10 cm. alti. Calyx 
dorso breviter pilosus, in segmenta 5 lanceolata vel lineari- 
lanceolata apice acutiuscula circa 3 mm. longa basi vix I mm. 
data trinervia ciliata partitus. Corolla distincte bilabiata, 
_ postice 7.5 mm. longa, antice 13-15 mm. longa, tubo circa 4 mm. 
