342 Dr. Grevizze’s Account of a Collection of 
correct. This papilla is worthy of particular notice, as being 
always present, and near the fold of the leaf, but still quite on 
the plane surface. Though it sometimes throws out radicles, it 
more frequently produces a foliaceous expansion from its apex, 
of various forms, often circular like a little cup. I have 
observed the same kind of papilla in an exotic species. Of 
J. complanata, as far as regards this part, I have seen no cor- 
rect figure. 
5. J. dilatata. Linn. Sp. Pl. p. 1600. Hook. Jung. t. 5. 
MU SCE 
* Seta terminalis. 
Genus 27. TORTULA. 
1. T. rigida. Turn. Musc. Hiber. p. 43. Hook. et Grev. in 
Edin. Journ. of Science, i. p. 289. 
2. T. muralis. Hedw. Sp. Musc. p. 123. Hook. et Grev. in 
Edin. Journ. of Science, i. p. 292. 
3. T. Northiana, caule brevi, simplici ; foliis erecto-patentibus, 
lineari-lanceolatis acutis, siccitate tortuosis; theca sub- 
cylindricà. Tas. III. f. 4. d XT ss 
(No particular station given. It probably grows on banks.) 
Stem from 3 lines to half an inch in length, simple. Leaves pale 
bright green, whitish at their base, linear-lanceolate, erecto- 
patent, straight, acute, the margin slightly waved, entire ; 
nerve strong, running to the point. In a dry state they are 
tortuose. Fruitstalk an inch in length, pale, slender. Cap- 
e nearly cylindrical, slightly curved, with a subulate 
Id om | 
I have 
