102 CLXxiii. GKAMiNEiE. (J. D. Hooker.) \_Polytoca. 



pedicelled spikelets adnate to the rachis; fem. spikelets rather longer, gl. of pedicelled 

 or minute. 



6. P. barbata, Stapfmss. ; branclieB of infl. many umbelled, spathes 

 ^ in. at length open, fem. spikeleta solitary, margins of gl. I keeled tip 

 entire. 0. arnndinaoea, Koen. ex Willd. Sp. PL iv. 203 {non Lamk.). Coix 

 barbata, Roxh. Fl. Ind. iii. 569 ; Wall. Cat. n. 862C ; Dalz. & Gibs. Bomb. 

 Fl. 289. C crypsoides, C. Muell. in Bof. Zeit. xix. (1861) 334. 0. gigantea, 

 Herb. Euss. ex Wall. Gat. I. c. 0. Koenigii, Spreng Syst. i. 228 ; Thw. 

 Enum. PI. Zeyl. 357. Chiouaohne barbata, Br. in Benn. PI. Rar. Jav. 

 18; Trim. Gat. Geyl. PI. 106; Aitohix. Gat. Panjab. PI. 157; Buthie 

 Grass. N.W. Ind. 11, Fodd. Grass. N. Ind. 19. Oh. Koenigii, Thw. Enum. 

 PI. Zeyl. 369. 



Hot and damp parts of India, from the Panjab to Assam and Munnepore, and 

 southward to Ceylon. — Disteib. Java. 



Stews 3-5 ft., glabrous or with the leaves and sheaths bristly with tubercle- 

 based hairs. Leaves 1-2 ft. by ^-J in., finely acuminate, margin thickened. Spikes 

 1-li in., rachis usually glabrous. Male spikelets i in., glabrous or softly pilose, 

 keels ciliolate ;fem. i in., glabrous, pale; gl. of pedicelled minute or 0. 



6. P. punctata, Stapf mss. ; branches of infl. few nneqnal, terminal 

 subnmbellate, outer spathes long: green, gl. I of fem. spikelets constricted 

 in the middle, then suddenly dilated into an ovoid obtuse claw, keels 

 broad. Sclerachne punctata, Br. in Benn. PI. Bar. Jav. 15, t. 4. Ohion- 

 achne Massii, Balans. in Journ. de Bot. (Paris, 1890), 78. Coix sulcata, 

 Serb. Bottl. 



The Deccan Peninsula, Rottler. — Distkib. Java, Tonkin ? 



Stem slender, branched, glabrous, and leaves glabrous or sparsely hairy. Leaves 

 6-8 by ^ in., linear-lanceolate, fliiccid. Spathes of lower outer branches long, lan- 

 ceolate. Spikes i in. ; male Spikelets one pair, ^ in., glabrous; fem. J in., pale; 

 gl. of pedicelled minute. 



29*. ZEA, Unn. 



A tall stout annual monoecious grass. Leaves broad, flat. Spikelets 

 unisexual, males in terminal racemed spikes ; fem. in solitary axillary 

 stout sheathed spikes, rachis thick, inarticulate, spongy. Male spikelets 

 2-tid., 2-nate, a sessile and a pedicelled at each of the alternating teeth of 

 the inarticulate rachis; glumes 4, acute; I and II subequal, membranous, 

 empty ; I enclosing the hyaline paleate III and IV. Lodicules fleshy. 

 Stamens 3, anthers linear. Fem. spikelets 1-fld., sessile, densely crowded 

 in many vertical series on the thick cylindric rachis ; glumes 4, membra- 

 nous, I and II very broad, obtuse or emarginate ; III hyaline, paleate, 

 empty ; lY hyaline, often 2-fld. Lodicules 0. Ovary obliquely ovoid, 

 plano-convex ; style very long, 2-fid, arms papillose. Grain large, sub- 

 globose or flattened, surrounded by the marcescent gls. 



Z. mays, Linn. Sp. PI. 971 ; Beauv. Agrost. 136, t. 24, f. 3 ; Kunth 

 FJnum. PI. i. 19, Suppl. 15 ; T. Nees Gen. Fl. Germ. Monocot. i. n. 3, 4. 

 Bonafous Hist. Nat. Mays {Paris, 1836), t. 1-19 ; Doell in Mart. Fl. Bras. 

 ii. 11, 30, t. 11 ; Boxh. Fl. Ind. iii. 319 ; GraJi. Gat. Bomb. PL 240; Duthie 

 Field 4" Gard. Crops. 25, t. 5; Miq. Fl. Ind. Bat. iii. 477. Z. alba, 

 americana & vulgaris. Mill. Gard. Diet. Ed. viii. n. 1, 2, 3. Z. segetalis, 

 Balisb. Prodr. 28. Mays zea, Gsertn. Fruet. i. 6, t. i. f. 9. 



Cultivated throughout the hotter parts of India. — Native of Peru. 



