218 CLiii. NAiADACE^ (bexnett). [Aponoyeton. 



5. A. Rehmanni, Oliver in Hook. Ic. PI. t. 1471, fg. B. Leaves 

 oblong-subacute, 1-lf in. long, 8-5 lin. broad, subapiculate. Spike 

 bifid, I in. long, about 8 lin. in diam., dense-flowered, whitish ; flowers 

 dioecious; bracts ovate-oblong, subacute. Follicles 8-9, oblong. — 

 Durand & Schinz, Conspect. Fl. Afr. v. 493; A. Bennett in Dyer, 

 FJ. Cap. vii. 44. 



Xiouirer Crulnea. Clerman South-west Africa : Amboland, ex Dnrand Sf 

 Schinz. 



Also in South Africa. 



6. A. abyssinicus, Hochst. in Schimp. PI. Abyss. Exsicc. 1488. 

 Stem-base tuberous, globose. Leaves lanceolate, long-petioled ; floating 

 leaves lanceolate-ovate. Spike bifid, dense-flowered ; branches 1-1 J in. 

 long ; peduncle nearly equal in diameter throughout ; flowers rose or 

 purplish. Sepals l|-2 lin. long, oval-oblong. Stamens 6. Follicles 

 3, with a beak J the length of the ovary. — A. Rich. Tent. FL Abyss, 

 ii. 351 ; Durand k Schinz, Conspect. Fl. Afr. v. 491 ; Engl. Jahrb. viii, 

 270. Ouvirandra Hildebrandtii, Hort. Berol. ex Kuntze in Yerhandl. 

 Bot. Yer. Brandenb. xix. ix. ; Eichler in Sitz. Ges. Naturf . Fr. Berlin, 

 1879, 6-12, t. 1. 



wile Xiand. Eritrea: Kohaito Plateau, 8500-8800 ft., Schweinfurth, 1S7 I 

 Abyssinia : in marshes near Axum, Schimper, 1483 ! East Tropical Africa, London !^ 



7. A. Stuhlmanniiy Engl. in. Noiizbl. Konigl. Bed. Gari. Berlin,. 

 i. 26. Submerged. Leaves linear, 7-veined, obtuse ; petioles longer 

 than the blade. Spike simple, lax-flowered. Sepals 2, obtuse, 1-nerved. 

 Stamens 6, equal in length to the sepals. Carpels 3 ; ovaries ovoid ; 

 style subulate. Follicles 4-seeded.~Pfl. Ost-Afr. C. 94. 



nSozamb. Sist. German East Africa : Usinja ; Bugando, Sfuhlmann, 3541. 



8. A. Boehxaii, Engl, in Notizhl. Konigl. Bot. Gart. Berlin, i. 26. 

 Bootstock tuberous. Leaves submerged, linear-lanceolate, obtuse, 

 5-nerved ; petiole longer than the blade. Spike bifid, dense- flowered. 

 Sepals 3, obovate-spathulate, purple-punctate. Stamens 6. Carpels 

 3-ovuled.— Pfl. Ost-Afr. C. 94. 



IMCozamb. 131st. German East Africa : Umyamwezi ; in the River Wala,^ 

 Boehm, 98. 



9. A, TallisnerioldeSy Baker in Trans. Linn. Sac. xxix, 158. 

 Densely CEespitose. Leaves sessile, ligulate, membranous, obtuse, 3-4 

 in. long. Spike simple, dense-flowered, 1 in. long, 3 lin. thick. 

 Ovaries 4 (?), those of the upper third infertile (?). 



Upper Guinea. Kiver Niger, Baikie ! 



ZfUe Xiand. British East Africa : Jur ; near Kurshook Ali's Seriba, Schwein- 

 furth, 1704 ! 1761 ! J ur Ghattus, Schweinfurth, 4266 ! Bongo ; Gir, Schweinfurthy 

 2152! \)\x^\^\x\i^^y Schweinfurth, 2\m\ Ukidi (Unyoro), /Sjt^e^e ^ Grant! 



'' This hii8 a spike like A. monostachyum, Roxb., of India, with leaves in shape 

 and texture just like those of a small specimen of Vallisneria" Baker, I.e. 



