MOUNT KOKAIMA IN BRITISH GUIANA. 19 



Polygala Timoutou, Aubl. PI. Gruian. ii. p. 737, t. 295; K. Schomb. Reisen in Brit.- 

 ( ruiana, iii. p. 1007. 

 Kotinga Valley, McConnell §,* Queloh, 100. [reng Valley, McConnell 8f Quelch, 250. 



Polygala celosioides, Mart, ex A. W. Benn. in Mart. PI. Bras. \iii. pt. in. p. •T>. 

 [reng Valley, McConnell §r Quelch, 223. 



Securidaca marginata, Benth. in Hook. journ. Bot. iv. (1842), p. 103. 

 Kotinga Valley, McConnell & Quelch, 157. 



Monnina CACTJMINA, N. E. Brown, sp. n. Polia oblonga, acuta vel obtusa, apiculata, 



exstipulata, glabra. Racemi densiflori, floribus breviter pedicellatis. Bractese 



lance-olatse, acuta*, floribus breviores. Alae ellipticie, glabrae, basi ciliatae. Carina 



glabra, ciliata. Petala lateralia utrinque pubescentia. Vagina staminea supra 



hirta. Fructus eompresso-elli|">soideus, exalatus, unilocularis, glaber. 



Stem subglabrous, or very thinly covered with very short hairs. Leaves about 2 in. 



long, f-1 in. broad, oblong or oblong-lanceolate, acute or obtuse and apiculatc, rather 



thin in the dried state, exstipulate. Racemes 3-4, terminal, 2-4 in. long, rather densely 



many-flowered. Bracts 2 lin. long, § lin. broad, lanceolate, acute, caducous. Pedicels 



i-1 lin. long. Dorsal sepal 1-J- lin. long, § lin. broad, ovate, acute, concave, ciliolate ; 



the two lower sepals similar but rather smaller, connate to their middle; lateral 



sepals or alae about 2} lin. long, 2 lin. broad, elliptic, obtuse, with incurved 



margins, glabrous, ciliate towards the base. Lower petal or keel 2| lin. long, 2 lin. broad, 



obscurely 3-crenulate at the apex, glabrous ciliate along the sides. Lateral petals 2-2^ 



lin. long, obliquely tapering from a broad base to an obtuse apex, adnate to the staminal 



tube, densely ciliate along the upper margin, pubescent along the middle of the outer 



side and more densely all over within. Staminal tube villose at the apex. Ovary elliptic, 



with a large unilateral gland at its base, glabrous ; style thickened upwards, slightly 



incurved. Fruit 3-3^ lin. long, about If lin. broad, elliptic, subacute, compressed, nol 



winged, 1 -celled, glabrous. 



Summit of Mount Roraima, 8600 ft. McConnell §r Quelch, 645. 



Allied to M. cestrifolia, H. B. & K., but differing in its much larger flowers. 



Krameria spartioides, Klotzsch, (\r O. Berg, in Bot. Zeit. xiv. (1850), p. 7<il. 

 I reng Valley, McConnell & Quelch, 244, 268. 



VOCHYSIACEiE. 



Trigonia subcymosa, Benth. in Hook. Lond. Journ. Bot. ii. (1843), p. 373. 

 [reng Valley, McConnell & Quelch, 222. 



PORTULACACE.E. 

 Portulaca sedifolia, N. E. Brown, sp. ii. Caules bundles, diffusi. Folia parva, lineari- 

 oblonga vel oblongo-lanceolata, breviter petiolata, axillis dense pilosa. Calyeis lobi 



n2 



