216 
1030. Tylostemon grandifolius, Stapf in Dyer, Fl. Trop. Afr. vi, 
sect. 1. part i, p. 177 (anglice) [Lauraceae-Perseae]; a speciebus 
sectionis Hnnearrhenae perianthio pro genere masusculo (2 vel ultra 
3 mm. longo) donatis indumento inflorescentiae copioso et 
receptaculo angustius campanulato distinctus. | 
Ramuli robusti, exsiccando fusci. Folia oblanceolato-oblonga, 
brevissime acute acuminata, sensim basi attenuata, 15-25 em. longa, 
7-9 em, lata, coriacea, glabra, nervis lateralibus utrinque 6-7 per- 
obliquis, venis laxe anastomosantibus utrinque prominulis ; petiolus 
robustus. Paniculae subterminales, floribundae, ad 12 cm. longae, et 
8 em. latae, undique minute fulvo-tomentellae ; pedunculus brevis, 
compressus ; rami inferiores ad 5 cm. longi, ad 2-2°5 cm. indivisi; 
ramuli ultimi ordinis pedicellique raro ad 2 mm. longi. Perianthium 
sublinearibus dense tomentellis utrinque glanduligeris ; staminodia 
subcordato-triangularia. Ovarium sensim in stylum aequilongum 
attenuatum. A frodaphne grandifolia, Stapf in Journ. Linn. Soe. 
— 111 (nomen) ; Cryptocarya ? grandifolia, Engl. ex Stapf, 
c 
West AFRICA, Cameroons, Bipinde, Zenker, 2250, 2250a. 
XXVIL—THE VEGETATION OF THE PASTASA AND 
BOMBONASA RIVERS.. 
The following notes by Ricnarp Sprusge on the vegetation of 
these tributaries of the Marafion branch of the Amazon on the 
of Spruce’s hazardous journey in this remote and almost unknown 
os ie has already been published in Chapter xvii. of the second 
80 
edited by Dr. Wallace. It had been the intention of the Editor to 
make a short chapter on the vegetation notes in the book, but since 
they are somewhat fragmentary and essentially botanical it was 
decided to omit them. 
_ The journey up the rivers Pastasa and Bombonasa—a distance of 
nearly 500 miles—which occupied about three months, was made 
of the Bombonasa whence he travelled to Canelos. In the course of 
the journey Spruce mentions the occurrence of tributary streams 
both of black and of clear water similar to those he had noticed on the 
u 
only 40 yards broad, and less than 3 feet deep at the particular spot 
where th : : 
the strong lianas of a Bignonia, securely entwined in the branches 
