XII, C, 2 Merrill: Flora of Kwangtung Province, China 109 
SCROPHULARIACEAE 
“1 ALECTRA Thunberg 
y¥ 
' ALECTRA ARVENSIS (Benth.) comb. nov. 
Glossostylis arvensis Benth. Scroph. Ind. (1835) 49. 
Hymenospermum dentatum Benth. in Wall. Cat. (1881) no. 3963, 
nomen nudum. 
Alectra indica Benth. in DC. Prodr. 10 (1856) 339. 
Alectra dentata O. Kuntze Rev. Gen. Pl. (1891) 458. 
Loh Fau Mountain (Lofaushan), Merrill s. n., October 28, 1916, scat- 
tered on open grassy slopes, altitude 900 to 1,000 meters. 4 
India to Burma, southern China, northern Luzon, and Mauritius. 
The oldest valid specific name is here adopted for this species; Hyme- 
nospermum dentatum Benth. is a nomen nudum. 
ADENOSMA R. Brown 
aS sak teclamA GLUTINOSUM (Linn.) comb. nov. 
Gerardia glutinosa Linn. Sp. Pl. (1753) 611; Osbeck Dagbok Ostind. 
Resa (1757) t. 9. 
Digitalis sinensis Lour. Fl. Cochinch. (1790) 878. 
Pterostigma grandiflorum Benth. in DC. Prodr. 10 (1846) 380. 
Pterostigma rubiginosum Walp. in Nov. Act. Acad. Nat. Cur. 19 (1843) 
Suppl. 1: 393. 
Adenosma grandiflorum Benth. ex Hance in Jorun. Linn. Soc. Bot. 13 
(1874) 114. 
Macao, Callery 314, 1844. 
The oldest specific name is here adopted for this well-known species, 
which is represented by several collections from southern China. The 
Linnean type was apparently a specimen collected in Kwangtung Province 
by Osbeck. 
ACANTHACEAE 
HEMIADELPHIS Nees 
HEMIADELPHIS POLYSPERMA (Roxb.) Nees in Wall. Pl. As. Rar. 3 
(1832) 80. 
Justicia polysperma Roxb. Fl. Ind. 1 (1820) 120. 
Ruellia polysperma Roth Nov. Pl. Sp. (1821) 305. 
Adenosma polysperma Spreng. Syst. 2 (1825) 829. 
Hygrophila polysperma T. Anders. in Journ, Linn. Soc. Bot. 9 (1867) 
456. 
Honam Island, near Canton, Merrill 10024, 10078, October 25 and Nov- 
ember 6, 1916, in muddy places near the river and about water holes at 
low altitudes. 
This species is widely distributed in British India, extending to Malacca 
and Tonkin, but has not been previously reported from China. It appears 
in current literature as Hygrophila polysperma T. Anders., but there is 
no valid reason for this disposition of it, as it differs from the typical 
representatives of Hygrophila in so many characters. As a genus Hemi- 
delphis is much more prominently characterized than are numerous other 
universally recognized genera of the Acanthaceae. From Hygrophila it is 
at once distinguished by its habit, its terminal, spicate, prominently brac- 
