CUCURBITACEA. 493 
1. Schizocarpum filiforme, Schrad. in Linnea, vi. Litteratur-Bericht, p. 73. 
Sourn Mrxico, rocks of the eastern Cordillera of Oaxaca, at 7000 feet (Galeotti, 1891), 
without locality (Parkinson). Hb. Kew. 
‘We have not ascertained the position of this genus. 
CUCURBITACEA DUBIA. 
1. Sphenantha scabra, Schrad. in Linnea, xii. p. 416. “Ex descriptione a 
Cucurbita non differere videtur.”—Benth. et Hook. Gen. Pl. i. p. 829. 
2. Polyclathra cucumerina, Bertol. Fl. Guat. p. 38, t. 11, Esquintla (Velasquez), 
not mentioned by Bentham and Hooker, is the same, according to Cogniaux, as 
Pentaclathra, Bertol. in Nov. Comm. Acad. Bonon. iv. p. 438, t. 46, “ planta 
Guatemalensis pessime descripta, floribus ignotis dubia remanet.”—Benth. et Hook. 
Gen. Pl. i. p. 820. . 
Order LXIII. BEGONIACE. 
Begoniacee, Benth. et Hook. Gen. Plant. i. p. 841; A. DC. Prodr. xv. pars 1, p. 266. 
There are three genera, and nearly 400 species, of this family. With few exceptions 
they are herbaceous plants inhabiting the mountains of equatorial and subtropical 
countries. None has hitherto been detected in Australia or New Zealand. 
1. BEGONTIA. 
Begonia, Linn. Gen. Plant. n. 1156; Benth. et Hook. Gen. Plant. i. p. 841. 
Including Mezierea and Casparya (no species of which, however, occurs in our region), 
this genus embraces 390 species, much the larger number of which are American, 
extending from Mexico to Chili, but especially numerous in Mexico and Brazil. 
1. Begonia acutiloba, Liebm. Mex. og Cent. Am. Beg. p. 13. 
SourH Mexico, towards Santiago, Amatlan, Oaxaca (Liebmann). 
9. Begonia angustifolia, A. DC. Prodr. xv. pars 1, p. 307. 
Begonia dentata, Pav. ined. . 
Mexico (Pavon). © 
3. Begonia anodefolia, A. DC. Prodr. xv. pars 1, p. 307. 
Sour Mxxico, mountains near the Pacific Ocean, 6000 to 8000 feet (Galeotti, 191). 
Hb. Kew. 
4, Begonia balmisiana, Ruiz, A. DC. Prodr. xv. pars 1, p. 308. 
Begonia populifolia, H. B. K. Nov. Gen. et Sp. vu. t. 643. 
Sourn Mexico, Pazcuaro (Humboldt & Bonpland); Toluca (Heller). Hb. Kew. 
