352 MB. J. G. BA.KEB ON THE 



in a whorl ; pedicel £-| in. Calyx with a campanulate tube y 1 ^ in. 

 diam., and a narrow truncate limb. Bud green, globose. Petala 

 and stamens 5. Ovary 4-5-celled. Berry not seen. — Baron 

 3233! 



Panax (§ Sphjeropanax) pentamebtjm, n. sp. 



Glabrum, raraulis crassis, foliis longe petiolatis deltoideis bipinnatis, 

 foliis ovatis integris acutis paucijugis subcoriaceis, umbellis 4-6-floris 

 paniculatis supremis verticillatis, pedicellis brevibus, fructu globoso penta- 

 gono 5-loculari angulis acutis, stylis brevibus cylindricis stellatirn patulis. 



A tree, with thick woody terete branchlets, glabrous in all its 

 parts. Petiole 3-4 in. long ; blade deltoid, and bipinnate in the 

 fully-developed lower leaves, 6-9 in. broad ; pinnae and leaflets 

 paucijugate, the latter stalked, ovate, acute, entire, 2-3 in. long, 

 firm in texture, green on both surfaces. Umbels peduncled, 

 panicled, those at the tip of the axis copiously whorled ; pedicels 

 \ in. long. Fruit globose, 5-celled, ^ in. diam., with 5 strong 

 angles ; stigma \ in. diam., with 5 patent cylindrical branches. 

 Petals not seen. — Baron 2555 ! 2719 ! 



Melanophylla, genus novum Cornacearum. 



Flores hermaphroditi. Ovarium inferum oblongum 2- rarius 3-loculare, 

 ovulis in loculo solitariis ab apice pendulis ; calycis limbo brevi minuto 

 dentato ; stylis 2-3 sursum facie applanatis. Petala 5 oblonga imbricata 

 decidua. Stamina 5 epigyna petalis breviora, filameutis filiformibus, 

 antberis magnis oblongis subbasifixis. Fructus ignotus. — Frutices vel 

 arbores Madagascarienses, foliis alternis exstipulatis petiolatis oblongis 

 integris vel serratis, floribus parvis racemosis vel racemoso-paniculatis, 

 pedicellis basi bracteatis, apice saepe bibracteolatis, floribus foliisque siccitate 

 nigrescentibus. 



Habit of PsycTiotria, but the leaves are alternate and exstipu- 

 late. The fruit is unknown. There is one species represented 

 by two numbers in Mr. Baron's last collection ; another was 

 gathered by Mr. L. Kitching ; and there are two in Humblot's 

 collection from the north-east of the island, Nos. 437 and 517, — 

 in all four distinct species. 



M. alnifolia, Baler, n. sp. ; foliis obovatis apice solum ser- 

 ratis, floribus simpHciter racemosis, calycis limbo dentibus 

 deltoideis. 



An erect much-branched shrub or tree, glabrous in all its 

 parts. Leaves alternate, turning black when dried ; petiole £-| in., 

 articulated and dilated to clasp the stem at the base ; blade 



