TAB. XXY. 
Aspidium (Polystichum) Thomson!, Hook. 
Caudice brevi crasso obliquo apice squamoso, stiq^itibus basi 
insi "niter squamosis 3-4-uncialibus gracilibus stramineis 
una cum racbi straminea setoso-paleaceis, fiondibus digi- 
talibus ad spithamseam lanceolatis acuminatis subchartaceo- 
membranaceis sessilibus pinnatis, pinnis 3-4 lineas longis 
sessilibus ovatis profunde pinnatifidis prmcipue ad marginem 
superiorem vel bipinnatis, pinnulis ovatis lobisque spinu- 
loso-incisis serratisve, venis pinnatis venulis nltimis clavatis, 
soris solitariis in singula pinnula seu lobo majusculis dorso 
venulte insertis, involucro subovato membranaceo peltato 
pedicellate margine siepe eroso. 
Hab. Sikkim Himalaya, Hooker , jil. et Thomson • Above 
Simla, Col. Bates. Kamaon, elev. 12,000 feet, Strachey 
and Winterbottom , n. 9. 
This must rank among the smallest of the Polysticlinm- 
group of Aspidium, approaching nearest to the smallest speci- 
mens of Dr. Wallich’s Aspid. (Polystichum) oxypliyllum. The 
involucre, if constant to its form and pedicel, is very re- 
markable. 
Fig. 1. Fertile pinna, almost again pinnate. /. 2. Portion 
with sori. /. 3-4. Involucres: magnified. 
{-'ent, 2. T. 25. 
