Mariscus.] clvi. cyperace.e (clarke). 395 



above the two lowest empty glumes, maturing 1 nut ; lowest empty 

 glume much exceeding the second, lanceolate, bristle-tipped. Nut- 

 bearing glume ovate, obtuse, 11-1^-ribbed, not keeled. Nut j the 

 length of the glume, linear-oblong, trigonous ; style-branches 3, much 

 exserted. — Ci/pei-us Hohlfsii, Boeck. in Flora, 1882, 13; Engl. Hoch- 

 gebirgsfl. Trop. Afr. 144. 



STile Iiand. Eritrea: Mount Alain Kale, Schtveinfurth Sf Riva, 1476! 

 Al.yssini I, 8300 ft., Rohlfs Sf Stecker (ex Boekeler). British Eiist Africa : Taita; 

 Mount Ndi, Scott-Elliot, 6191 ! 



39. M. procerus, A. Rich. Tent. Fl. Abyss, ii. 489, not of 

 Schrader. Glabrous. Rhizome horizontal, stout. Stems 1J-2J ft. 

 long, at the top triquetrous and smooth or nearly so. Leaves f the 

 length of the stem, \-\ in. broad. Umbel simple ; rays 8-10, up to 

 1-1 J in. long ; bracts 4-6, similar to the leaves, lowest up to 7 in. long. 

 Spikes IJ by J in., exactly cylindric, with 20-40 distinct spikelets 

 spreading at right angles, bright-red in flower, red-brown in fruit. 

 Spikelets \-\ in. long, oblong or lanceolate, hardly compressed, often 

 4-flowered, maturing 3-2 nuts, disarticulating in one piece above the 

 two lowest empty glumes. Nut-bearing glumes ovate, obtuse, strongly 

 9-13-ribbed, hardly keeled, hardly remote but (even before the nut is 

 ripe) obliquely and rigidly spreading. Nut | the length of the glume, 

 broadly oblong, trigonous, black- brown. Style \ the length of the nut ; 

 branches 3, long, much exserted. — C. B. Clarke in Durand k, Schinz, 

 Conspect. Fl. Afr. v. 591. M. Richardi, Steud. Syn. PL Glum. ii. 66. 

 M. cupreus, Hochst. ex Boeck. in Linnsea, xxxvi. 367 ; C. B. Claike 

 in Durand k Schinz, Conspect. Fl. Afr. v. 586 (excl. the syn. of 

 Steudel). Cyperus quadrijiorus, Boeck. in Linnsea, xxxvi. 367 ; 

 Schweinf. in Bull. Herb. Boiss. ii. Append, ii. 104. C. impubes, Steud. 

 Syn. PI. Glum. ii. 45. 



Wile Ziand. Abvssinia : Tigre ; near Assai, Quartin- Dillon ! British Ea^ 

 Africa: Lake Ehneteita, 6000-7000 ft., Scott -Elliot, 6411! 



40. M. thomensis, C. B. Clarke in Durand d- Schinz, Conspect. 

 Fl. Afr. V. 594. Glabrous. Stems 1 ft. long, slender, at the top 

 trigonous and smooth. Leaves -J the length of the stems, J in. broad, 

 green. Umbel simple ; rays 6-8 up to 1 in. long ; bracts (5, similar to 

 the leaves, lowest up to 5 in. long. Spikes J in. long, ovoid or globose, 

 dense, from green-straw-colour to yellow-straw-colour. Spikelets 

 ^-i in., maturing 3-2 nuts, falling off in one piece above the two '^ 

 lowest (not aristate) glumes. Glumes remote (each nearly clear above 

 the one below it) ovate, subobtuse, 11-ribbed. Nut | the length of the 

 glume, ellipsoid. Style short; branches 3, long. — Cyperus flavus^ 

 Henriques in Bolet. Soc. Brot. v. 209 ; not of Boeck. 



Iiower Guinea. Island of 8t. Thomas, Moller in Fl. Afr. Exsicc. Conimhric, 

 123! 



This plant does not remind me of the American Mariscus flavus. 1 think it 

 may prove only one more variety of M. sieherianus. 



