TYPE IG. GRAINS COMPOUND, MANY COMPONENTS. 289 



Hoplothcca floridana Nutt.; Frmlichia Jloridana Moq. (Amarantacece.) Dry endosperm. Compound 

 grains s]iliorical, oval, oblonp; (nut at all angular) ; two-fifths to as thick as long, finely granular. 

 Length about 2;^; thicknoss about lOyu. Soi)aratcd-grains rounded. Size 0.7 to l.Hfi. 



Iloplotheca texana A. Bramn.; Frcelichia gracilis Moq. (Ainarantacew.) Dry endosperm. Size of 

 poparated-grains hardly Iju. No compound grains are present. 



Gomphrena deawibens Jacq. {A?})ara7>tacecc.) Dry endosperm. Size of separated-grains hardly 

 over 1^. No compoimd grains are present. 



Iresine nervosa Hort. (Amarantacece.) Dry endosperm. Separated-grains round. Size 0.5 to l/x. 

 No compound gi-ains are present. 



Polycnemvm majus A. Braun. [Amarantacece.) Dry endosperm. Separated-grains entirely filling 

 the cells, arranged in rows. Size 1 to 1.5ju. No compound grains are visible. 



Pupalia prostrata Mart. (A7nara7itacece.) Dry endosperm. Compound grains spherical to elongated- 

 oval, sometimes angular, two-fifths to as thick as long, finely granular or homogeneous, 

 consisting of 25,000 components. Size 30/^, rarely 40^. Separated-grains round. Size 0.5 

 to scarcely over l/n. 



Scleropus amarantoides Schrad. (Amarantacece.) Dry endosperm. Separated-grains round or rounded- 

 angular, closely packed in the cells, and frequently arranged in rows. Size 1 to 3yit. 



Teleianthera polygonoides Moq., var. braehiata. (Amarantacece.) Dry endosperm. Compoimd grains 

 spherical or oval, finely granulated, size about 30/^. Separated-grains round, size 0.5 to 

 about 2n. 



Ahronia arenaria Horh. (Nyctaginacece.) Dry endosperm. Compound grains rounded to elongated- 

 oval (completely filling the cells) ; granulated or reticulated-granular, consisting of over 4000 

 components. Size about 20 and 25^^. Separated-grains rounded 1 to 2/i. 



Mirabilis jalappa Liim. (Nijctaginacece.) Dry endosperm. Separated-gi-ains rounded or slightly 

 angiilar, completely filling the cells. Size 0.7 to 2ju. Compound grains are not visible. 



Mirabilis longiflora Linn. Dry endosperm. Separated-grains rounded. Size 1 to 2;u. No com- 

 pound grains are present. 



Oxybaphiis cervantesii Lagasc. (Nyctaginaceoe.) Dry endosperm. Compound grains spherical, 

 granular, consisting of 30 to over 1,000 equal components. Size about 15,u. Separated- 

 grains round or rounded-angular. Size 1 to 3/i. 



Allionia ovata Pm-sh. ; Calxyhymenia panieulata Desf . (Nyctaginacece.) Dry endosperm. Separated- 

 grains rounded. Size 0.7 to 1.5;u. Few compound grains remain (partly in the cells, partly 

 free), rounded or oval. Size about SBfx, finely granulated, containing over 24,000 compo- 

 nents; most of the cells are packed merely with tiny separated-grains arranged in rows. 



Allionia nyctaginea Michx. (Nyctaginacece.) Fresh and dry endosperm. Separated-grains almost 

 round to rounded-angular. Size 1 to 2 and 2.5^. They completely fill the endosperm cells. 

 No compoimd grains could be distinctly observed. 



Allionia incarnata Lirm. (Nyctaginaeeoe.) Dry endosperm. Separated-grains round. Size 0.7 to 

 about 2// ; cells are crowded with them ; no compound grains occur. 



Bougainmllca spectabilis Willd. (Nyctaginacca:.) Dry endosperm. Separated-grains rounded or 

 somewhat angular. Size 0.7 to 2jx. No compound grains are present. 



Avicennia tomentosa Lirm. (Verbenacece.) Dry cotyledons.- Compound grains mostly rounded, 

 rarely oval or conical, frequently somewhat irregular and angular, consisting of 2 to over 

 20 components which are almost equal, rarely unequal. Size about 14 and IS/x. The large 

 separated-grains have a small central cavity. Size 2 to 8/i. Starch plentiful. 



Nymphoca rubra Roxb. (Nyjnphceaeece.) Dry endosperm. Compound grains by means of pressure 

 polyhedral, with rather sharp margins and angles, reticulate, consisting of 8 to over 200 com- 

 ponents. Size about 23;u. Separated-grains round, rounded angular to acute polyhedral; 

 tlie larger ones with a central cavity. Size 2 to 10^. 



Nymphma dentata Th. et Schum. (Nymphceacew.) Dry endosperm. Starch as in the preceding 

 species. 



Nymphcea coerulea Savign. (Nymphoeacece.) Dry endosperm. Starch as in Nymphcea rubra. Sepa- 

 rated-grains mostly polyhedral, without a cavity. Size 2 to 7ix. 



Nuphar lutcum Smith. (Nymphceacece.) Dry endosperm. Compound grains spherical or rounded- 

 oval, slightly angular as result of pressiu-e, finely granulated, consisting of over 10,000 com- 

 ponents. Size 25 to 30/i. Separated-grains rounded or rounded-angular. Size hardly 1 to dfi. 

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