38 H. et J. Gkoves: 



Hab. in Ciiba in riviilo Giiaso prope Sta. Maria, V. 1844: J.Linden 

 n. 1728. 



Distributio: Europa. Asia. Africa. America. Australasia. 



AVe liave seen no ripe fruit of the "West Indian plant but judge its 

 size to be much less than in the European forms. Tlie Antheridia arc also 

 small, about 'S mm. in diametro. 



II. Chara Linn. 



12. Chara Brauiiii Gmelin Flora Badens. Alual. vol. IV siqjpl. 

 (1826) p. 646. — C. fkxiJis Ämici (non L.) Mein. Acad. Modena 

 vol. I (1827) p. 199. — ? C. Cortiana Beiioloni in Ämici Mein. Acad. 

 Modena rol. I (1827) p. 204. — C. coroncda et C. Brauidi Bischoff 

 Knjpt. Gew. (1828) p. 26 fig. 5 et 7. — C\ involmrata Roxb. Flor. Lid. JII 

 (1832) p. 565. — C. coroiiata Braun in Ann. Sei. Nat. 1834 p. 353; 

 Kuelx. Tab. Pkijc. VII (1857) t. 43 f. 1. — C. oaJmensis Meijen Heise 

 nm die Erde II (1835) p. 131. — 0. eremosperma Ruprecht Stjmb. Hi.'^t. 

 Ros.s. (1845) p. 80 (fide Braun). — C. Schweinitxii Kuetx. Tab. Phijc. 



VII (1857) p. 31 t. 79 f. 1. — Charopsis Brannii Kuetx. Phyc. Gen. 

 (1843) p. 319. — Clmropsis Stalii Mencyhini in Att. d. coiigr. d. Genora 

 (fide Braun). — Nitella Braunii Rabenh. Deutsch. Krypt. Flor. (1847) 

 vol. II p. 197. 



Statura mediocris. Caulis ecorticatus, modice crassus. Stipulodia 

 iino ordiue, ramulorum numerum aequantia et eisdem alternantia, 

 longitudine variabilia. Kamuli verticillorum 8 — 11, recti vel sub- 

 incurvati, ecorticati. Segmenta pcp 4 — 6, quorum infimum interdum 

 proximo brevius, ultimum brevissimum vix bracteis longius. Bracteae 

 acuminatae vertieillatae vel posteriores rudimentariae, fructu pq. bre- 

 A'iores sed interdum friictum aequantes vel excedentes. Antheridia 

 et oogonia solitaria vel geminata, ad nodum primum et secundum 

 vel etiam tertium posita. Antheridium diametro circiter -27 — 4 mm. 

 Oogonia magnitudine variabilia. Coronula variabilis, connivens erecta 

 vel subpatens. Oospora -42 — 75 mm. longa, • 28 — 48 mm. lata, paene 

 atra, 8 — 10 strias exhibens. Monoica. 



Hab. in Sto. Domingo in Valle Nuevo prope Constanza, alt. 2100 m., 

 m. Jun. 1910: H. v. Tuerckheim n. 3405, pro parte. 



Distributio: Europa, Asia, Africa, America, Australia. 



The West Indian plant is a rather small and slender form from 

 7 — 10 cm. high. The branchlets consist of 4 — 5 segments, the posterior 

 bract-cells are rudimentary or one of them is developed, the anterior are 

 shorter than the fruit. The antheridium is large, -36 — 40 mm. in diameter, 

 the oospore about -54 mm. long and -37 mm. broad. 



13. Chara Horiiemaimii Wallman in Konyl. Vet. Akad. Ilandl. 

 vol. 40 (1854) p. 288; Kuetxing Tab. Fhijc. VII (1857) t. 48 f 1; 



