GRIMMIACEAE. 171 
Subgen. I. Catyproporus. Stomata immersed. 
1. Orthotrichum angustifolium H. f. & W. in Lond. Journ, Bot., 1844, 
. 547; Fl. Antarct. i, p. 125; Handb. N.Z. FI., p. 433. 
upper part of the leaf-lamina. Both are dense, blackish plants, the present 
indioid in 
2. Orthotrichum crassifolium H. f. & W. in Lond. Journ. Bot., 1844, 
p- 546; Handb. N.Z. Fl., p. 433. 
leaves much broader above, and subobtuse. The capsule is exserted or 
very nearly so, and smooth, the calyptra glabrous. It has a somewhat 
wider distribution, but in the New Zealand area is found only in the Lord 
Auckland and Campbell Islands. 
8. Octhotrichum calvum H. £ & W., Fl. N.Z., ii, 8 (1855); Handb. 
N.Z. Fl. p. 432. 
Syn. O. avonense R. Br. ter. in Trans. N.Z. Inst., vol. 27, p. 438. 
O minutum R. Br. ter., op. cit., p. 437. 
were very puzzling, it became necessary to establish first of all which o 
them was O. caluum H. f. & W. Se 
superficial, and O. calvum is placed by Brotherus among these. Examination 
of Wilson’s type at the British Museum, however, established the fact that 
it is calyptoporous, and therefore removed from the other New Zealan 
plants of similar habit. 
Wilson’s material is extremely scanty, nor does Hooker’s herbarium at 
Kew do much to supplement it, in fact, the whole material might easily 
be piled on a postage-stamp ! That in Wilson’s berbarium consists of two 
