PLATE 1620. 
DAVALLIA TYERMANII, Baker. 
Fitices, Suborder Potyropiacea, Tribe DavaLuea, 
coriaceo marginibus liberis. 
Humata Tyermanii, Moore in Gard. Chron. 1871, p- 870, tab. 178, 
Has, China; Ningpo, Everard; Kiu-kiang and banks of the river 
Yangtse, Maries. 
Stipites 2-3 poll. longi. Lamina 3-6-pollicaris, 3-4 poll. lata. 
Habit of D. bullata, but the sorus and indusium entirely different. 
We first received it from Mr. Tyerman, of the Liverpool Botanic 
Gardens, in 1869; and he thought it had been received from West 
Africa.—J. G. Baer. 
Fig. 1. Whole plant, life size, 2. Tertiary segment of lowest pinna. 3, 4. Sori, 
with indusia. All enlarged, 
