30 



Caulrs [.l.iinn. [a-- sini[.li.- 



f. b. media Koehne 11. cc. — Caulis 3—8, 

 caespitose ramosus. 



f. c. major Koehne 11. cc. — Caulis 3— 16 cm longus, robustior, ramosus. 



Yar. /i. Spruceana (Griseb.) Koehne 11. cc. — Rotala apetala F. Muell. Fragm. 

 III. (1862) 108. — Hypobrichia Spruceana Benth. in Griseb. Cat. pi. cubens. (1 866) 

 106 cum var. tenui folia Griseb. — Ammannia rotala F. Muell. synonymi tit. et in 

 Benth. Fl. austral. III. (1866) 295 absq. synon. R. vcrticillaris L. — Stamina 2(— 3). 



oblonga. M 

 Cuba (Ubergang zu c); Venezuela; Brasilien; China, Prov. Schen-si (Lean- 

 san-Berg); Japan (Yokohama, Ubergang nach b. ; Akito); Philippinen (Benguet, See 

 auf dem Data, 2260 m u. M.); Australien (im westaustralischen Tasman-Land am 

 Sturt-Creek, am Albertfluss, in Nordaustralien oder Queensland? am Viktoriafluss , in 

 Queensland an der Trinity-Bai). 



Subsp. 2. pusilla (Tul.) Koehne. — Rotala pusilla Tul. in Ann. sc. nat. 4. ser. 

 VI. (1 856) 128. — AmmanHia pygmaea S. Kurz in Seem. Journ. of bot. V. (1867) 

 376, in Journ. As. Soc. Bengal XL. 2. (1871) 55 et XLVI. 2. (1877) 85; Clarke in 

 Hook. f. Fl. Brit. Ind. II. (1 879) 568. — Rotabi verHcillaris -J. Spruceana Hiern in 

 Oliv. Fl. trop. Afr. II. (1871) 467. — R. mexicana subsp. 2. Hierniana Koehne in 

 Engler's Bot. Jahrb. I. (l 880) 151. — Caules 3—10 cm longi. Folia 3— 4 M v. inter- 

 dum decussata, linearia v. fere subulata. 



Angola, Madagaskar, Ostindien. 



2. E. diglossandra Koehne in Engler's Bot. Jahrb. XXIII. Beibl. 57 (1897) 17. — 

 Annua. Caulis 3 — 4 cm longus 4gonus, ramis 1 — 2 tenuissimis instructus. Folia omnia 

 decussata, subcordato-triangularia, subretuso-bimucronulata. Bracteolae calycem fere 2plo 



Australien (Schomburgk n. 318). 



3. R. occultiflora Koehne in Engler's Bot. Jahrb. I. (1880) 152. — (Desc 

 exclusa vanetate). Caulis 4— 10 cm longus angulatus, simplex v. parce ramosus. Fol 

 3 na , infima linearia (5—12 mm longa, 1 mm lata), floralia basi rotundata et dilatat 

 plicata nervo medio subtus carinato-incrassato, florem includentia, omnia retuso-bimucr 



nectarium 0; stamina '3 (2—4?); ovarium ellipsoideum°. Capsula 2 — 3valvis, elli 

 soideo-globosa. — Fig. 2 5, p. 25. 



Malabar, Concan (Herb. Hook. f. et Thomson). 



Var. p. Leichhardtii Koehne 1. c. IV. (1883) 387. — Folia 3— 4 ua v. 



Queensland: The Lynd (Leichhardt n. 81); am Albertfluss (Dittrich). 

 Subs. 2. Eurotala Koehne in Engler's Bot. Jahrb. I. (1880) 153. — Cf. supra p. 2 



4. R. verticillaris L. Mant. (1771 ) 175 excl. icone Bheedeana; DC. Prodr. I 

 (1828) 76; Wight, Icon. pi. Ind. I. (1838— 40) t. 260 f. A; Koehne 1. c. 153. - 

 R verticiUata Boem. et Schult. Syst. I. (1817) 521. - Rotala petaloidea Wight 



