450 MB. J. G. BAKER ON THE 



main ribs radiating from the apex of the petiole. Female racemes 

 solitary in the axils of the leaves, few-flowered, simple, 1-1| in. 

 long, shortly pednncled ; pedicels solitary, T l 2 - in. long ; bracts 

 minute, deltoid. Expanded perianth greenish, ^ in. in diam. ; 

 segments orbicular, equalling the obconic ovary. — Baron 2654 ! 



Eriocaulon pluitans, Baker in Journ. Linn. Soe. xx. p. 277 

 {Baron 926), proves couspecific with E. melanocephalum, Kunth 

 (E. aquaticum, Sagot.), of Guiana and North Brazil. (Sagot 

 1330! Burchell 4208 !) 



Cypertjs alternipolius, Linn. Of this, which is common in 

 gardens, Mr. Baron has now sent wild specimens (2707 !), the 

 first we have received. 



Cyperits (§Papyrus) imerinensis, Boeckl. in Mngler Jahrb. 

 1884, p. 500. Founded on Hildebrandt's 3798. Very nearly 

 allied to the Egyptian Papyrus. — Baron 3274 ! 



Cyperys diyulsys, Ridley in Journ. Bot. 1884, p. 15. Hil- 

 debrandt's collecting number should be 4020, not 4080 as printed. 

 Dr. Boeckler has described the same plant under the name of 

 C. paucispiculatus, in Engler's Jahrbuch for 1884, p. 497. 



Dichronema Candida, Baker. — Psilocarya Candida, JSTees in 

 Mart. Fl. Bras. ii. p. 117. — Bhynchospora Candida, Boeckl. in 

 Linncea, xxxvii. p. 605. — Cyperus leucostachys, Bojer DISS. — 

 Baron 2340 ! Bombatoka, Bojer ! Known elsewhere in West 

 Tropical Africa and Guiana. 



Heleocharis (§Heleogenes) c^spitosissima, n. sp. 



Densissime csespitosa, stolonifera, foliis propriis nullis, caulibus gra- 

 cillirais \\-2 pollicaribus, floribus 5-6 in spicam oblongam terminalem 

 dispositis, glumis ovato-lanceolatis castaneis obtusis valde imbricatis 

 margme pallidis dorso viridi carinatis, nuce oblonga, stylo trifido, setis 

 hypogynis 6 nuci sequilongis. 



Stems forming very dense masses and sending out a few 

 rooting stolons, very slender, tetragonous, greenish, 1^-2 in. long. 

 Spike oblong, terminal, T \-^ in. long. Glumes about 6 to a 

 spike, erecto-patent, much imbricated, obtuse, navicular, bright 

 chestnut-brown, with a distinct pale keel, and becoming gradu- 

 ally whitish towards the edge. Nut oblong, greenish, half as 

 long as the glume, enclosed in the whorl of pale ciliated hypo- 

 gynous bristles, which are united into a distinct whitish cup at 



