TYPE 16. GRAINS COMPOUND, MANY COMPONENTS. 289 



Iloploiheca floridana Nutt.; Fraelichia floridana Moq. {Amarantacece.) Dry endosperm.— ComYiomxd 

 grains spherical, OA-al, ol ilong (not. at all angulai-) ; two-fifths to as thick as lotig, finely granular. 

 Length about 23/^; tliickncss about IG/u. Separated-grains rounded. Size 0.7 to \.?>n. 



Iloploiheca texana A. Braum.; Frcelichia gracilis Moq. {Amarantacece.) Dry endosperm. — Size of 

 separated-grains hardly l,u. No compound grains are present. 



Gomphrena deatmhens Jacq. (Amarantacea;.) Dry endosperm. — Size of separated-grains hardly 

 over 1^. No compound grains are present. 



Iresinc nervosa Hort. {Amarantacem.) Dry endosperm. — Separated-grains round. Size 0.5 to 1^. 

 No compound grains are present. 



Polycnemmn majus A. Braun. (Amarantaeca;.) Dry endos?jCT-??L— Separated-grains entirely filling 

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



Pupalia prostata Mart. {Amaranlaeea.) 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/i, rarely 40^. Separated-grains round. Size 0.5 

 to scarcely over l^i. 



Scleropus amarantoides Schrad. {Amaranlaceae.) Dry endosperm. — Separated-grains round or rounded- 

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



Telcianthera polygonoides Moq., var. brachiata. (Amararitacea;.) Dry endosperm. — Compound gi-ains 

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

 about 2fi. 



Abronia arenaria Horh. (Nyctaginaceoe.) 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-gi-aius rounded 1 to 2ix. 



Mirabilis jalappa Linn. {Nyctaginacecc.) Dry endosperm. — Separated-grains rounded or slightly 

 angular, completely filling the cells. Size 0.7 to 2/j. Compound grains are not visible. 



Mirabilis longiflora Linn. Dry endosperm. — Separated-grains rounded. Size 1 to 2/j. No com- 

 pound grains are present. 



Oxybaphus cervantesii Lagasc. (Nyctaginaccce.) Dry endosperm.- — Compound grains spherical, 

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

 grains round or rounded-angular. Size 1 to 3n. 



Allionia ovata Pursh.; Calxyhymenia paniculata Desf. {Nyctaginaccce.) 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 al)0ut 3.5/(, finely granulated, containing over 24,000 compo- 

 nents; most of the cells are jiacketl merely with tiny separated-gi'ains arranged in rows. 



Allionia mjctaginea Michx. {Nyctaginacea:.) Fresh and dry endosperm. — Sei)aratcd-grains almost 

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

 No compoimd grains could be distinctly observed. 



Allionia incarnata Limi. {Nyctagi^iacecc.) Dry endosperm. — Separated-grains roimd. Size 0.7 to 

 about 2ix] cells are crowded with them; no compound grains occm-. 



Bougainvillea spectabilis Willd. {Nyetaginaccce.) Dry endosperm. — Separated-grains rounded or 

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



Avicennia iomentosa Liim. {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 18/i. The large 

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



Nymphara rubra Roxb. {Nymplmaceee.) 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; 

 the larger ones with a central cavity. Size 2 to IQix. 



Nymphma dentata Th. et Schum. {NymphcBacem.) Dry endosperm. — Starch as in the preceding 

 species. 



Nymphcea coerulea Savign. {Nymphoeaceoe.) Dry endosperm. — Starch as in Nymphoea rubra. Sepa- 

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



Nuphar luteum Smith. {Nymphceacece.) Dry endosperm. — Compound grains spherical or rounded- 

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

 ponents. Size 25 to 30/1. Separated-grains rounded or rounded-angular. Size hardly 1 to 3/i. 

 19 



