224 Acanthacez. [ Synnema. 
For Cardanthera balsamica Clarke and C. verticillata 
Clarke read: 
2. Synnema balsamicum (Linn. f.). . S. verticillatum O. Ktze. 
Il. c. Ruellia balsamica Linn. f. Suppl. Pl. p. 290 (1781). Adenosma 
verticillatum Nees in Wall. Pl. As. Rar. III, p. 79 (1832). Cardan- 
thera balsamica Clarke in Fl. Brit. Ind. IV, p. 404 (1889). C. verti- 
cillata Clarke 1. c. 
4a. PLEESIANTGHA Livera. 
Annual; 1. opp., simple, entire; fl. small, solitary; bracts 
and bracteoles wanting; sep. 5, narrow, one usually larger 
than the rest; corolla very small; cor.-tube short, ventricose 
above; limb 2-lipped; upper lip bifid; lower lip shortly 3- 
toothed; cor-lobes contorted in bud; stam. 2, slightly ex- 
serted; capsule narrow, slightly compressed, without a solid 
base; seeds 10 or more in each cell; retinacula minute, 
straight, short.—Sp. 2; one Ceylon, one West Africa. 
Page 292.—¥or Cardanthera Thwaitesi Benth. read: 
Plesiantha Thwaitesii Livera in Ann. Perad. IX, p. 196 (1924). 
Adenosma Thwaitesii,T. And. in Thw. Enum. p. 224 (1860). Cardan- 
thera Thwaitesti Benth. in Gen. Pl. II, p. 1075 (1876). Synnema 
Thwaitesu O. Ktze. Rev. Gen. p. 500 (1891). 
If the African species is congeneric this is an interesting case of 
discontinuous distribution. The generic name is unfortunate as there 
is another genus Plesianthera Hk. f. Our species resembles Brillan- 
’ taisia in habit. 
For Hygrophila Br. read: 
Spineless; sep. 5, more or less connate; seeds 
numerous. ; : : ; : . 5. HYGROPHILA. 
Spinose; sep. 4, free; seeds few. , . 5a. ASTERACANTHA. 
5a. ASTERACANTHA Nees. 
Herb; 1. whorled in threes with spines in the axils; fl. 
rather large, sessile, in few-flowered, axillary whorls; bracts 
leafy; bracteoles linear-lanceolate; sep. 4, free; cor.-tube 
funnel-shaped above deeply 2-lipped,; lobes long, contorted 
in bud; stam. 4, didynamous; capsule linear, not compressed, 
without a solid base; seeds few, ovoid, covered with elastic, 
hygroscopic hairs; retinacula long, slightly curved, sharp.— 
Sp. i. 
For Hygrophila spinosa And. read: 
Asteracantha longifolia Nees in Wall. Pl. As. Rar. III, p. 90 
(1832); Gamble Fl. Madr. p. 1014 (1924). Barleria longifolia Linn. 
Ameen. Acad. IV, p. 320 (1759). Hygrophila spinosa T. And. in 
Thw. Enum. p. 225 (1860). H. longifolia Kurz. in Journ. As. Soc. 
Part III. 
