72 
Wisconsin Academy of Sciences , Arts and Letters . 
ii. Leaves not deeply plicate. 
[Homalothecium pseudo-sericeum may be sought here.] 
* Lid convex-conic to long-conic (rostellate in 59). 
Leaf-cells not abruptly enlarged at base , upper usually distinct, 
elongated rhombic. 
-*-8- Seta smooth above, rough below, capsule suberect. 
Capsule 1:1.5, cilia 2, equalling teeth . . . H. Hillebrandi, 46, 
Capsule 1:2.5, cilia solitary, short, or none . . H. Fendleri, 47. 
✓ 
-j-e- -<—b Seta smooth below, rough above, capside cernuous or arcuate. 
Perichsetial leaves short-acuminate H. pliunosum, 58. 
Perichgetial leaves abruptly long filiform-acuminate H. campestre, 54. 
-j—a- - 2 — 8 - -j— e- Seta rough throughout. 
— Cells of based angles scarcely different. 
Leaves scarcely or abruptly acuminate, dioicous. 
Leaves very short acuminate, glossy, not decurrent H. rivnlare, 56. 
Leaves short acuminate, broadly and long decurrent, 
H. latifolinm, Lindb.* 
Leaves longer acuminate, not glossy, decurrent . H. Novse-Anglise, 55. 
Leaves gradually acuminate, autoicous. 
Slender, leaves lanceolate to ovate-lanceolate, capsule 
* constricted under mouth when dry . . H. Telutiiiuin, 45. 
Stout, leaves ovate, capsule not constricted . H. rutabulnm, 52. 
— — Cells of basal angles distinctly quadratic. 
Leaves long acuminate, costa entering point . . H. reflexion, 50. 
Leaves acuminate, costa not reaching point. 
Seta long (4 cm. +).H. asperrinrnm, 53. 
Seta shorter (2 cm. —). 
Segments split between articulations . . H. cedipodium, 51. 
Segments split their whole length 1 2 
Seta arcuate above.H. Bolanderi, 48. 
Seta abruptly bent at base of capsule . . H. Starkii, 49. 
1 Renauld and Cardot: FI. Miq. (1888) 51. 
2 According to Austin Bot. Gaz., iv (1879), 162, the pedicel of H. biventrosum (40) is 
©bsoletely scabrous, and it might therefore be sought here. 
