278 MR J. G. BAKER ON A COLLECTION OF 



Corolla 18-21 lin. long, clavate in bud, finally slit down one side 

 below the middle ; teetli 5, linear-spathulate, -^ in. long. Anthers 

 linear, basifixed, g— ^ in. long ; filaments very short, inserted at 

 the throat of the corolla-tube. Style very slender, longer than 

 the corolla. — Betsileo-land. Closely allied to the next species, 

 the Mauritian L. Bojeri, and Seychelles L. seychellensis. 



LOHANTHTJS LENTICELLATUS, Baker, n. Sp. 



Branches slender, pale, terete, rugose, with copious lenticels. 

 Leaves opposite, shortly petioled, oblong-lanceolate, acute, 

 cuneate at the base, 1^-2 in. long, entire, moderately thick in 

 texture, green and glabrous on both sides. Flowers 1-3 from the 

 axils of the leaves, on short pedicels. Bracteole minute, cupular, 

 with a deltoid tip. Calyx glabrous, -^ in. long, with an oblong 

 tube and 5 minute orbicular teeth. Corolla spathaceous, 1^ in. 

 long, finally slit down one side below the middle ; teeth 5, minute, 

 orbicular. Anthers linear, g in. long, inserted below the throat 

 of the tube, nearly sessile. Style about as long as the corolla. 

 — Tanala. 



Euphorbia (§ Bhizanthium) primitl^folia, Baker, n. sp. 



Stem tuberous, fleshy, oblong-cylindrical, 2-3 in. long, with a 

 brown epidermis. Leaves 4-6 in a tuft at the summit of the 

 stem ; petiole short, crisped at the margin, dilated at the base ; 

 blade obovate-oblong, obtuse, cuneate at the base, subentire, 1-1 g 

 in. long, rather coriaceous in texture, green on both sides, 

 slightly pilose on the conspicuous reticulated veins beneath. 

 Heads 2-3 in a cluster at the summit of erect peduncles shorter 

 than the leaves. Involucre campanulate, g in. long, clasped and 

 hidden by a couple of pale-green cuneate-orbicular bracts, which 

 wrap it tightly and envelop it ; glands transversely oblong, not 

 horned. Fruit glabrous. — Ankaratra mountains. A near ally of 

 the well-known E. tuierosa of the Cape. 



Phtllanthus casticum, Mull. Arg. Ankaratra mountains. 



Uapaca cltjsiacea, Baker, n. sp. 



A shrub or tree, with puberulent, white, rather stout, terete 

 branchlets. Leaves rather crowded, nearly sessile, oblanceolate- 

 oblong, obtuse, cuneate at the base, entire, 2-3 in. long, rigidly 

 coriaceous, glabrous on both surfaces, with erecto-patent main 

 veins. Male flowers in a globose head ^ in. diam., placed on a 

 stiff erect peduncle ^-1\ in. long, surrounded by an involucre of 



