424 ^^- ^- ^- KENDLE— SYSTEMATIC 



Only empty spatbes of male flowers present, 1 mm. long, containing the broken flower- 

 pedicel. Omrtj with style and stigmas 2 mm. long ; stigmas of those examined ending 

 in a small yellow-brown spine-cell. Seed 2 mm. long by '5 mm. in diameter, dull 

 yellowish, plainly marked with rows of squarish pits, which become elongated on the 

 raphe and smaller, irregular, and obscure towards the ends. 



East Tropical Africa — {Fischer, no. 614). 



South Africa — Transvaal [Bolus, no. 6283). 



§ 4. XudcB. 



31. Najas graminea, Delile.' (PL XLII. figs. 192-201.) 



N. graminea, Delile in Descr. l^gypte, Hist. Nat. ii. 282, t. 50. fig. 3 (1813) ; Cham, in Linnaea, iv. (1829) 



■ " 502 : Kunth, Ennm. iii. 115 (1841) ; A. Br. in Journ. Bot. ii. (1864) 278 ; C. Bailey, ib. 1884, t. 250 ; 



Arcang. Fl. Ital. [ed. 2] 101 (1894); Cesati, Compend. Fl. Ital. 205; Magnus in Nuov. Giorn. 



Bot. Ital. ii. (1870) 189; Boiss. Fl. Or. v, 28 (1884); Hook. f. Fl. Brit. Ind. vi. 569 (1893) ; 



K. Schum. in Mart. Fl. Bras. iii. pt. 3, 730, i. 124. fig. 2 (1894). 



Var. Delilei, Magnus in Ber. Deutsch. Bot. Ges. i. (1883^ 522, et ex Ascliers. & Scliweinf. 111. Fl. 



" figypt. [Mem. Inst, l^gypt. ii. pt. i.] 146 (1889) ; C. Bailey iu Journ. Bot. xxii. (1881) 305, 



t. 249; K. Sebum, in Mart. Fl. Bras. iii. pt. 3, 731. 

 Var. viilgata, Magnus ex Ascliers. & Scbweinf. /. c. 145. 

 iV. alagnensis, Pollini, FL Yeron, iii. 49 (1824) ; Cham, in Linnsea, iv. (1829) 502; Kunth, Enum. iii. 



115 (1841); Bertolini, Fl. Ital. x. 296 (1854) {alaganensis). 

 N. seminuda, Griff, in Voigt, Hort. Suburb. Calc. 694 (1845) ; id. NotuL iii. 181, et Icon. PI. Asiat. 

 "" tt. 251. fig. ii. 253, 254 (1851). 



N. serristipula, 'Ma.s.im. in Bull. Acad. St. Petersb. xii, (1868), 72 [Mel. Biol, vi, 275]; errore A", serraii- 

 ■~ stipula, Magnus, Beitr. 44 (1870), et in Engl. & Prantl, Pflanzenfam. ii. i. 218 (1889). 

 N. tenuifolia, Aschers. in Att. Soc. Ital. Sci. Nat. x. (1867) 267, non R. Br. 

 N. valisnerioides, Griff. Notul- iii. 180, probably belongs here, as the author says it ''appears to vary in 



the absence of a tunic to the stamina." 

 Caulinia alagnensis, Polhni, Hort. & Prov. Veron. 26 (1816), et FL Veron. iii. 49 (1824) ; Pari. FL Ital. 



iii. 665 (1858) [alaganensis] . 

 C, intermedia, Balb. in Mem. R. Accad. Sci. Torin. xxiii. (1818) 105 (nomen), Nocca & Balb. Fl. Ticin. 



ii. 163, t. 15 (1821). 

 Planta inermis, sgepius gracile plumosa, super basin longe ramosa ; cauUhus inferne 

 repentibus turn decumbentibus, saepe longe efiusis, tenuibus subrigidis, ramulis 

 brevibus dense foliatis ; foliis anguste linearibus, superne angustatis patentibus, ssepe 

 recurvatis, margine cum spinulis minutis numerosis ascendentibus instrvicta ; vaginis 

 longe auriculatis ; squamulis intravaginalibus subulato-filiformibus ; ftoribus in 

 ramulis, solitariis vel paucis aggregatis ; maseulis breviter pedicellatis, nudis, 

 perianthio ad antheram quadrilocularem applicito, superne bilobo, lobis breviter 

 rotundatis, polline oblongo et rotundo ; ovario nudo ellipsoideo, stylo cylindrico 

 in stigmata duo longa linearia diviso ; fructu solitario vel paucis aggregatis, 

 anguste ellipsoideo-oblongo, apice subattenuato ; testa in areolis parvis sub- 

 quadratis vel plurangulis numerosis subirregulariter, sed sgepius distincte lineata. 

 Habit grass-like, the long shoots rooting at the lower nodes and forming new plants by 



