TYPE If). GRAINS COMPOUND, MANY COMPONENTS. 277 



Phippsia algida R. Br. {Graminacece.) Dry endosperm. Compound grain.s round or oval, more or 

 less angular, as a result of pr(>ssure; reticulate or retieulated-angular. Size about 20 to 

 25^. Separated-grains rounded-angular or polj'hedral, the larger ones with a cavity; 

 size 1.5 to 5;u. 



C oleanthus siiblUis Seidel; Schmidtea utriculosa Sternb. {Graminacece.) Dry endosperm. Compound 

 grains spherical to elongated-oval, more or less angular as a result of pressure; homogeneous 

 or reticulated-granular; size about 24ju. Separated-grains rounded-angular or polyhedral, 

 the larger ones with a cavity; size 2 to 5/1. 



Alopecurus geniculatus Linn. {Graminacece.) Dry endosperm. Compoimd grains spherical or oval; 

 delicately granular, or reticulated-granular; size about 2.5//. Separated-grains rounded- 

 angular, rarely polyhetiral; size 1.5 to 4^:. 



Alopecurus pratensis Linn. {Graminacece.) Dry endosperm. Compound grains spherical or oval, 

 reticulated-granular; size about 26m, rarely 33yu. Separated-grains rounded-angular, or 

 polyhedral; the larger ones with a cavity; size 1.5 to bix. 



Alopecurus alpinus Smith. {Graminacece.) Dry endosperm. Starch as in the preceding species. 



Alopecurus utriculatus Schrad. {Graminacece.) Dry endosperm. Starch as in Alopecurus pratensis. 

 Size of the separated-grains about l/x, of compound grains about 33ju. 



Phleum asperum Vill. {Graminacece.) Dry endosperm. Compound grains almost rounded or oval, 

 sometimes slightly irregular, three-fifths to as thick as long, consisting of 2 to about 60 

 equal components; size about 38//. Separated-grains polyhedral, usually with sharp borders 

 and angles, frequently with a cavity and single fissures; size 6 to 16//. 



Phleum tenue Sclu^ad.; Achnodonton hellardi Beauv. {Graminacece.) Dry endosperm. Compoimd 

 grains spherical or oval, frequently slightly angular and irregular, consisting of 4 to 

 about 60 components; size about 40//. Separated-grains polyhedral, usually with sharp 

 borders and angles, frequently with a cavity from which single radial fissures proceed; 

 size 4 to 14//. 



Crypsis schcenoides Lam. {Graminacece.) Dry endosperm. Compound gi'ains almost round elon- 

 gated-oval, half to as thick as long, reticulated-granular or almost homogeneous; size about 

 30//. Separated-grains polyhedral, frequently with sharp margins and angles, the larger 

 ones have a cavity; size 2.5 to 7//. 



Vilja coromandelina Beauv.; Sporobolus coromandelina Kunth. {Graminacece.) Dry endosperm. 

 Compound grains spherical or oval, three-fifths to as thick as long, reticulated-granular, 

 consisting of 6 to 1000 and more components; size about 19//. Separated grains rounded- 

 angular, or polyhedral; the larger ones usually with a small cavity; size 2 to 5//. 



Agrostis verlicUlata Vill. {Graminacece.) Dry endosperm. Compound gi-ains round or oval reticu- 

 lated-granular; size about 20/i. Separated-grains rounded to polyhedral; size 2 to 7//. 



Triachyrum longifolium Hochst. {Graminacece.) Dry endosperm. Compound grains, isodiametric 

 or oval, more or less polyhedi'al as a result of pressure, consisting of numerous components, 

 most of them fallen apart; size about 21/i. Separated-grains polyhedral, the majority with 

 a large or small cavity; size 3 to lO/i. 



Triachyrum cordofanuyn Hochst. {Graminacece.) Dry endosperm. Separated-grains, size 1.5 to 5//; 

 the smaller ones rounded-angular, the larger ones polyhedral, and have a cavity. Only a 

 few intact compound grains are observed; these are reticulated and about 14// in size. 



Colpodium steveni Trin. {Graminacece.) Dry endosperm. Compound grains round, oval, and low- 

 cone-shaped, slightly angular or almost polyhedral, consisting of 400 and more components; 

 size about 25//. Separated-grains 2.5 to 6/i, polyhedral, the larger ones frequently with a 

 small cavity. 



Apera spica-venii Beauv.; Agrostis sp. Linn. {Graminacece.) Dry endosperm. Compound grains 

 round to oblong, two-fifths to as thick as long, granular or almost homogeneous; length 

 about 25//, thickness about 15//. Separated-grains round or rounded-angular; size 0.7 to 2//. 



Muehlenbergia loilldenowii. {Graminacece.) Dry endosperm. Compound grains spherical or oval, 

 reticulateil-granular (most of them have fallen apart); size about 24//. Separated-grains, 

 polyhedral; the larger ones have a cavity; size about 7//. 



Cinna racemosa Kunth.; Muehlenbergia glomerata Trin. {Graminacece.) Dry endosperm. Separated- 

 grains polyhedral, the larger ones have a cavity; size about 17//. Among the above there are 

 a few spherical or oval compound grains wiiich have not fallen apart; size about 22/i. 



