Uncaria. | Rubiacee. IAI 
p. 540 (1915). Nauclea zeylanica Hk. f. in Fl. Brit. Ind. III, p. 26 
(1882). Bancalus zeylanicus O. Ktze. Rev. Gen. p. 277 (1891). 
Page 296.—For Uncaria dasyoneura Korth. read: 
U. Thwaitesii Alst. in Ann. Perad. XI, p. 208 (1929). U. dasyo- 
neura var. Thwaitesii Hk. f. in Fl. Brit. Ind. III, p. 31 (1882). 
Nilambe; Tittaveraluwa Kotha. 
Endemic. 
Page 297.—For Neurocalyx Wightu Arn. read: 
N. calycinus B. Rob. in Proc. Amer. Acad. XLV, p. 402 (1910). 
Argostemma calycinum R. Br. ex Benn, Pl. Jav. Rar. I, p. 97 (1838). 
N. Wightit Arn. in Ann. Nat. Hist. III, p. 22 (1839). 
Page 302.—For Fergusonia zeylanica Hk. f. read: 
F. tetracocca Baill. Hist. Pl. VII, p. 413 (1879). F. zeylanica 
Hk. f. Ic. Pl. XII, p. 23 (1876). Borreria tetracocca Thw. Enum. 
Pp. 442 (1864). 
11a. RicHARDIA Houst. (non Kunth). 
(Richardsonia Kunth non Neck.). 
Erect or prostrate annual (?) or perennial herbs; leaves 
opposite, sessile or shortly petiolate; stip. connate with 
the petioles to form a sheath; fls. in dense terminal heads, 
hermaphrodite or rarely polygamo-dicecious; calyx 4-8- 
lobed; corolla funnel-shaped, throat glabrous; cor.-lobes 
3-6, valvate; stam. 3-6, inserted on the throat of the 
corolla; anth. exserted; ovary 3-4-celled, with one ovule in 
each cell, capsule circumscissile; endosperm horny.—Sp. 
5-6; natives of Tropical America. 
R. scasra Linn. Sp. Pl. I, p. 330 (1753); Hiern. in Fl. Trop. Afr. 
III, p. 242 (1877). Richardsonia scabra St. Hil. Pl. Us. t. 8 (1824). 
R. brasiliensis Hayne, Arzn. Gew. VIII, t. 21 (1805-43). 
A prostrate, hispid herb; 1. elliptic, shortly petioled, 
acute, about I in. long; cor.-segms. 6; capsule small. 
A common weed in cultivated ground. Fl. May, etc. ; white. 
Native of Tropical America. 
11b. MITRACARPUM Zucc. 
Erect or prostrate herbs, usually perennial; stems 4- 
angled; leaves opposite, linear-lanceolate or ovate; stip. 
connate into a sheath; fls. in dense terminal or axillary 
heads, hermaphrodite; calyx 4-5-toothed, 2 teeth usually 
longer than the others; corolla funnel-shaped, with 4 val- 
vate lobes; stam. 4, inserted on the throat of the corolla; 
anthers dorsifixed; disk fleshy; style 2-lobed; ovary 2 or 
rarely 3-celled, with 1 ovule in each cell; fruit a membran- 
ous, circumscissile capsule; endosperm fleshy.—Sp. 30; 
mostly natives of Tropical America. 
Part II. 
