PODOSTEMACEA, © 39 
1. Tristicha hypnoides, Spreng. Syst. Veg. iv. pars 2, p. 10 ;.DC. Prodr. xvii. 
p. 44 (varietates) ; Tulasne, Monogr. p. 186. 
Tristicha bryoides, Gard. in Wight’s Ic. Pl. Ind. Or. t.:1920. 
GuateMALA, Mazatenango (Bernoulli, 39), without locality (Skinner); Costa Rica 
(Endres).—CotomBia to Guiana and Brazi; Tropical and South Arrica, and Mapa- 
GascaR. Hb. Kew. 
2. MARATHRUM. 
Marathrum, Humb. et Bonpl. Pl. Aiquin. i. p. 39; Benth. et Hook. Gen. Plant. iii. p. 110. 
This genus is confined to America, and consists of about six species, ranging from 
Mexico to Brazil. 
1. Marathrum flexuosum, Liebm. in Forhandl. Skand. Naturf. Kidbenh. 
1849, p. 511. 
SourH Mxxico, Guatulco, Oaxaca (Liebmann). 
2. Marathrum foniculaceum, Humb. et Bonpl. Pl. Aquin. p. 40, t. 11; Tul. 
Monogr. p. 74; DC. Prodr. xvii. p. 53. 
Lacis feniculacea, Bong. in Mém. Acad. St. Pétersb. série 6, ill. p. 74. 
Mexico (Henke).—Co.LomBIia. 
Tulasne by mistake referred foliage collected by Seemann in Panama of M/. orycarpum 
to this. 
3. Marathrum oxycarpum, Tul. Monogr. p. 76; DC. Prodr. xvii. p. 54. 
Marathrum feniculaceum, Seem. Bot. Voy. ‘ Herald,’ p. 197, non Humb. et Bonpl. 
GUATEMALA, Mazatenango (Bernoulli); Nicarnasua (Yate); Panama, in all the rivers 
of Veraguas and Western Panama (Seemann). Hb. Kew. 
Tulasne misnamed foliage of this, collected by Seemann, 17. feniculacewm, whereupon 
the latter assumed that these two very distinct species were the same. 
4. Marathrum? riccizforme, Liebm. in Forhandl. Skand. Naturf. Kidbenh. 
1849, p. 512. 
Sour Mexico, Huitamalco, Vera Cruz (Liebmann). 
5. Marathrum schiedeanum, Tul. Monogr. p. 77; DC. Prodr. xvii. p. 53. 
Lacis (Marathrum) schiedeana, Cham. in Linnea, ix. p. 504, t. 6. 
Sout Mexico, Rio de Actopan, near Actopan, and Rio de Tioselo, near Hacienda de 
la Laguna (Schiede); GuaTeMaLa, without locality (Skinner). Hb. Kew: ” 
6. Marathrum tenue, Liebm. in Forhandl. Skand. Naturf. Kidbenh. 1849, 
p. oll. 
South Mexico, Huitamalco, Vera Cruz (Ldebmann). 
3. OSERYA. 
Oserya, Tul. et Wedd. in Ann. Sc. Nat. série 3, xi. p.105 ; DO. Prodr. xvii. p. 83; Benth. et Hook. 
Gen. Plant. iii. p. 114. 
Four species, inhabiting Mexico, Guiana, and Brazil. 
