156 DuNN—NoTES ON CHINESE LABIATAE. 
ovata, apice gradatim, basi abrupte acuminata, 6-12 cm. longa, 
praeter venas subtus adpresse pubescentes glabra, serrata ; 
petioli infra partem alatam 0.5—1.0 cm. longi. Paniculae saepe 
angustae, foliosae, terminales, 25-35 cm. longae, ramis autem 
inferioribus elongatis nonnunquam majis dilatatae. Cymae 
1.5-2 cm. longae, multiflorae, pedunculis 0.5 cm. longis, bracteis 
lanceolatis integris pedunculis brevioribus. Flores 6 mm. longi ; 
pedicelli calyce breviores; bracteolae parvae, lineares. Calyx 
campanulatus, 1.5 mm. longus, primo lanatus, tarde glabrior ; 
dentes triangulares, acuti, tubo paullo breviores. Corolla lavan- 
dulacea, extus pubescens; labium superius inferiori tuboque 
paullo longius. 
SZECHUEN. Mt. Omi, October 1904, Wilson, 5125. 
YuNNAN. Valley of Yangtse, between Chi-tien and Chin-ho, 
elevation of 6-7000 ft., October 1904, Forrest, 587; near 
Yunnan-sen, Maire, 1599, 2024; sandy wastes on mountains near 
Mengtze, September 1893, 5500 ft., Hancock, 73; Mengtze at 
4500 ft., Henry, 9811. 
P. Esquirolii, Léveillé in Fedde, Repert. Nov. Sp. ix, 247. 
Type in Le Mans Herb.=P. striatus, Benth. 
P. Gerardianus, Benth. in Wall. Pl. As. Rar. ii, 17=P. striatus, 
Benth. 1.c. The types in Kew Herb. are connected by a continuous 
series of gradations with regard to their distinguishing characters. 
P. grosseserratus, Dunn, sp. nov. P. excisae, Maxim., affinis 
foliis sessilibus a typo aK a axillaribus 
cymosis, a var. vacemoso, Dunn dist 
Herba ramosa, 0.5 m. alta, ubique panes corollam et genitalia 
pilis sparsis vestita. Folia late ovata, sessilia, basi abrupte in 
alam abeuntia, apice acuminata, 10-13 cm. longa, papyracea, 
grosse setrata. Panicula longa, angusta; cymae laxae, saepe 
triflorae, breviter pedunculatae, 1.5 cm. longae; inferiores 
breviores, superiores longiores quam bracteae. Flores 6-7 mm. 
longi; pedicelli 5 mm. longi, basi bracteolis linearibus provisi. 
Calyx late campanulatus, 4 mm. longus ; tubus dentibus lanceo- 
latis paullo brevior. Corolla basi subito contracta, itaque tubo 
gibboso; labia tubo paullo breviora; superius erectum, inferius 
brevius quadrilobum. Stamina inclusa. 
SZECHUEN. Wushan, Wilson, 1429. Cult. in Hort. Veitch. 
- Labordei, Diels in Notes Bot. Gard. Edin. xxxi (1912), 47. 
Type in Edinburgh Herb. = Elsholtzia rugulosa, Hemsl 
P. leptobotrys, Diels in Engl. Jahrb. xxix (1901), 56r. Type in 
Christiania Herb.= P. Coetsa, Don. 
P. leucanthus, Diels in Notes Bot. Gard. Edin. xxv (1912), 230. 
Type in Edinburgh Herb.=P. phyllopodus, Diels. 
