GRIMMIACE.E.] 



\Griminia. 



Sect. 2. EUGRIMMIA. Plants short, in rounded cushions, capsule 

 exserted, small-mouthed ; teeth lanceolate, cleft or perforated. Leaf cells 

 rounded-quadrate above, elongate or rectangular at base. 



Capsule ventricose on one side, immersed, on a very short curved seta. 



Calyptra mitraeform, capsule gymnostomous. anodon. 



cucullate, capsule peristomate. crinita. 



Capsule symmetric, exserted. 

 Seta curved. 



Leaves curled and incurved when dry, subulate. inctirva. 



Leaves spirally twisted when dry. 



Hair point long, lower cells sinuose. funalis. 



short, lower cells elongate oval. torqnata. 



Leaves erecto-incumbent when dry. 

 Autoicous. 



Tall, laxly tufted, leaves gradually ending in a 



longish hair. decipiens. 



Short, densely pulvinate, leaves suddenly hair-pointed. 



Calyptra mitraeform. pulvinata. 



cucullate. orbicularis. 



Dioicous. 



Leaf-margin plane. 



Leaves not narrowed at base, hair nearly smooth. Stlrtoni. 



narrowed at base, hair rough. Muehlenbecku. 



Leaf-margin recurved. 



Tall, robust, naked at base. 



Leaves distant, hair point very short. Hartmani, 



dense, hair point longer. elatior. 



Short, slender, leafy to base. 



Basal cells rectangular, not sinuose. 



Basal cells short, hair rough. snbsquarrosa. 



longer, hair smooth. trichaphylla. 



Seta straight. 



Calyptra cucullate. 



Short, densely pulvinate. 



Leaves substriate at base, lid conic, obtuse. alpestris. 



not striate, lid obliquely rostrate. montana, 



Taller, laxly tufted. ovata. 



Calyptra mitrasform. 



Very short, densely pulvinate, capsule pale. Doni'i. 



Taller, laxly tufted, capsule brown. 

 Hair nearly smooth. 



Grey-green, hoary, hair long. 



Basal cells narrowly rectangular. avails. 



sinuoso-rectangular. microcarpa. 



Fuscous-black, hair very short. elongata. 



Hair rough and spinulose. campestris. 



Sect. 3. DRYPTODON. Plants tall, regularly dichotomously branched 

 and fastigiate ; teeth more deeply cleft, lower leaf-cells often sinuoso-crenulate. 



Calyptra cucullate. 



Leaves lanceolate, rather acute. 



lineal-ligulate, obtuse. 

 Calyptra mitraeform. 



Short, seta straight. 



Taller, seta arcuate. 



atrata. 

 unicolor. 



elliptlca. 

 patens. 



Sect. 4. TRICHOSTOMUM. Plants tall, robust, with numerous 

 short lateral often fasciculate ramuli ; lower leaf-cells narrow, sinuose-crenu- 

 late ; teeth cleft into two filiform legs. 



Leaves muticous. 



Leaves short, broad, very obtuse. 



narrower, acuminate. 



Tall and robust, lower cells long, nodulose. 

 Upper cells quadrate. 



sinuose. 



Short, lower cells short, sinuose. 



acicularis. 



aquatica. 



fascicularis. 



obtusa. 



