A^'alas.] CLiii. naiadace^ (bennett). i>27 



cylindrical neck, passing above into a pair of long narrow spine- tipped 

 outgrowths, overtopping the two stigmas. 



Vpper Crulnea. Senegal, Leprieur (ex Rendle). 



Described from a specimen in the Cosson Herbarium at Paris. Clearly allied to 

 N. Welwitschii, Rendle, from which it is distinguished by a less lax habit, the tuft- 

 like dense-leaved terminal branchlets, the more regularly toothed spreading firmer 

 leaves, fimbriate leaf-sheath, and the pair of terminal outgrowths on the female 

 spathe. 



4. N. Schweinfurthii, Magnus in Ber. Deutsch. Bot. Geaellsch. xii. 

 220. Plant small with spreading branches. Leaves thin, slender, 

 tapering ; marginal teeth about 12, ending in a brown spine about half 

 the leaf- width in length ; sheath-auricles with ?)-^ erect teeth. Male 

 flowers shortly pedicellate. Spathe oblong. Anther 1-celied. Female 

 flower: Spathe oval-oblong, produced into a neck around the long 

 style ; stigmas unequal at the apex. 



Jffile Xiand. British East Africa: Jur; Jur Ghattas, Schweinfurth, 2140 

 partly ! 



This is mixed with N. graminea, Delile. 



5. N. Welwitschii, Rendle in Cat. Afr. Fl. Welw. ii. 1)."). Stems 

 spreading, 12 in. long, rooting at the nodes. Leaf -blades J-1 in. long, 

 with an evident midrib, and in the older leaves transverse markings ; 

 marginal teeth 3 2-16, broadly subtriangular, ending in a brown spine ; 

 leaf -apex spinulate ; sheaths 1 lin. long and nearly or quite as broad. 

 Male flowers subsessiie, nearly 1 J lin. long. Anthers 4-celled. Female 

 flower-s 1 lin. long by J- lin. in diam., very pale brown. — Trans. Linn. 

 Soc. ser. 2, Bot. v. 401. 



]Lo'virer Cruinea. Angola : Barra do Bengo; in the large lake of Quifandongo, 

 near Quisequele, Welwitsch, 247 ! Barra do Dande ; lakes on the left of the river 

 Dande, called Lagoas de Bombo, Welioitsch, 247b ! 



G. N. minor. All. Fl. Pedem. ii. 221. Stem branched from just 

 above the base, very variable in habit and length (3 to 12 in.), some- 

 times lax, sometimes bushy, with all intermediate states. Leaves 

 variable in length, generally bent backwards, with 10-20 teeth on the 

 margins ; sheaths rounded-truncate, with 5-8 promment teeth on either 

 shoulder. Male and female flowers often alternating in the leaf-sheaths ; 

 spathe elongated, ellipsoid, with a short neck, irregularly toothe<i at 

 the mouth ; female flowers about \\ lin. long. Ovary sessile, al>out {.. 

 lin. long ; style long ; stigmas 2, unequal. Fruit linear-oblong, 

 narrowed at the apex, 1-1 J Tin. long, \ lin. in diam. Seeds with many 

 rows of elonsrated ladder-like pits. — Kunth, Enum. iii. llo. Caidinia 

 fragilis, Willd. in Mem. Acad. Roy. Sci. Berl. 1798, 88, t. 1, fig. 2. 



Nile Xiaud. British East Africa : " Emin Pasha Expedition," Uerb 

 Schweinfurth, 4242 ! 



Also in Europe, Asia, and Xorth Africa. 



