Materials for a Flora of the Malayan Peninsula. 159 



VAR. /8. Senna Tora Roxb. Flor. liid. II, 340. Rumpli. Herb. Amboin. 

 V, t. 97, f. 3; Rl.eede, Hort. Malab. II, t. 53. 



Andamans; very common throughout the Settlement. Perak • 

 Kwala Dipong, ScortecMni 1750! Distrib. A wide-spread weed in 

 S.-E. Asia. 



This is sometimes spoken of as cosmopoh'tan in the tropics and possibly it has 

 now hpcome introduced in the New World. But if so, it is not common there and 

 the writer has never seen an American specimen. 



6. Cassia obtusifolia Linn. Sp. PI. 377. An annual bland herb 

 or nndershrub 2-7 feet high. Leaves equally pinnate, distinctly petioled 

 3-4 in. long; leaflets 3 pairs opposite, membranous, green, obovate- 

 oblong, uppermost leaflets 2 in. long, 1 in. wide, lowest pair 1-1-25 in. 

 long, -75 in. wide, apex broadly equally deltoid, base slightly obliquely 

 rounded, glabrous or puberulous on both surfaces, lateral nerves 8-10 

 pairs, oblique straight faint on both surfaces, petiolules under "1 in. pub- 

 erulous as is the rachis which is deeply grooved above and is furnished 

 with a long conical gland between the lowest pair of leaflets; stipules 

 linear '75 in. long, caducous. Flowers usually in subsessile pairs in axils 

 of the leaves the upper crowded, their common peduncle even in fruit not 

 exceeding "15 in. usually shorter, the pedicels even in flower 1-125 in. 

 long. Calyx 5-partite to the base, segments green ovate-acute glabrous, 

 spreading, '25 in. long. Petals 5 subequal, spreading, bright-yellow, '5 

 in. long, -35 in. wide, oblong-obtuse, the standard truncate. Stamens 7 

 (the 3 upper replaced by staminodes) subequal, anthers brown. Pod 

 8-10 in. long, '2 in. wide, . sub-terete, obliquely septate, the valves 

 glabrous, membranous, distinctly transversely reticulated, sutures broad. 

 Seerls 30-35, rhombohedral, '2 in. long, -15 in. thick, brown shining. 

 Linn. Sp. PI. ed. II, 539 as to the plant but excl. the ref. to Billenius 

 and to B-umphius ; DC. Piodr. II, 493 ; CoUad. Hist. Cass. 95. C. toroides 

 Roxb. Hort. Beng. 31. G. humilis Col I ad. Hist. Cass. 96. G. Tora var. 

 p. Linn. Sp. PI. 376. 0. Tora VAR. (B. W. & A. Prodr. 291 excl. refer- 

 ences to Bheede and to LamarcJc ; Miq, Flor. Ind. Bat. I, 95. 0. Tora Bale, 

 in Flor. Ind. Bat. II, 263 in part, not of Linn. 0. ohtusifoUa var. /3. Miq. 

 Flor. Ind. Bat. I, 96, not var. a. Senna toroides Roxb. Fl. Ind. II, 340. 



Singapore; common, fl"wZZef^ 102 ! Kunstler\24<\ Distrib. Native 

 in Tropical America ; now introduced and, here and there, fairly com- 

 mon in South-Eastern Asia. 



Dr. Roxburgh was at some pains to point ont how different this species is from 

 C. Tora. The confusion of indentification originated with Linnaeus himself and has 

 been perpetunted owing to the fondness that many authors have for books and names 

 as compared with plants and facts. 



7. Cassia hirsuta Linn. Sp. PI. 378. A diffuse tomentose under- 



159 



