ANGIOPTERIS LONGIFOLIA, 323 
< 6. Stroma. 
c. c. c. Sporophores with young spores apparently bursting through 
an outer membrane. ` 
d. Lateral and dorsal view of the mature spores. 
1. Asci of Spheria inquinans in different stages. 
8. Sporidia of the same with the curled appendages; the left-hand 
spore is germinating. 
11. Section of Hendersonia mutabilis, showing the two cells containing 
different bodies. 
- a. Colourless bodies from the upper cell, like the spores of a Phoma. 
6. Brown bodies from the lower cell, like those of a Hendersonia. 
c. Dark bodies which seem to be the young state of those marked (b). 
ANGIOPTERIS LONGIFOLIA, Grev. et Hook., of Sir William Jackson 
Hooker’s Herbarium, and its synonyms ; communicated by Dr. W. H. 
DE VRIESE, Professor of Botany in the Royal University at Leyden. 
Fronde bipinnata, rachi secundaria terete, glabra; pinnulis valde 
remotis, petiolatis, inzequaliter cordatis, longe lineari-lanceolatis, rectis 
vel curvis subfaleatisve, obtuse dentatis vel crenatis, vix serrulatis, . 
subrepandisque, apice angustato fere sinuatis, in dorso pulvere quasi - 
farinaceo firmissime adhærente adspersis ; costa valida, fusco-nigra, 
venis furcatis et simplicibus; soris a margine remotis, distinctis, ad 
extremum usque apicem continuatis. 
A. longifolia, Grev. e£ Hook. Enum. Fil. in Hook. Bot. Misc. v. 3. p. 227. 
1833 (excl. omnibus synonymis !). 
Has. Pitcairn's and Society Islands, Mathews (no. 2). Vidi in Herb. 
Hook. ipsum Mathewsii specimen, cui species Hookeriana innititur. - 
Adscripta sunt: “ March to May, 1830. Fronds 6-7 feet. 4. M” — 
‘(manu Mathewsii). ee 
Adumbratio. Duo adsunt specimina, quæ ad eandem pérthient 
frondem. In his hee agnosco. Longitudo est 0,9; latitudo 0,42. 
Rachis secundaria propter desiccationem fusca, 0,005 crassa, sursum 
attenuata, recta. Pinnarum numerus æquat 26. Inferiores sunt fere 
0,175 longæ, mediæ”0,22 æquant, apicales sensim decrescunt. Lati- 
tudo 0,015, in omnibus fere eadem est. Apex solus 0,03 longus et 
fere 0,002 latus est. Pleræque pinnulæ fere 0,028 vel magis etiam 
a se invicem remote, horizontales sunt, paucæ curvatæ vel et subfal- - 
