F. ^. WILLIAMS. FLORLLA tîAiMBlGA. 87 



Abbrevialions. 



To save space in the citation of works freqiienlly quoled, two aljbre- 

 viations are used : 

 F S T ^ Florœ Senegambiœ Tentamen (1831—1833). 

 F T A -= Flora of Tropkai Africa (1868—1906). 



^ONOCOTYLEDONES 



SuBCLASs. LEPTOGHLAMYDEJE 

 Farn. 1. GRAMINACEM 



1. May s zea Gaerln. Fruct. Sem. Plant, i. 6. t. 1. f. 9 (1788). — 

 Grown for native consumplion ; not in sufficienl quantity for export. As 

 lo the revival of Gaerlner's name, taken up by hini and his contemporaries 

 from Tournefort, Alphonse de Candolle points out thal all the old bolanists 

 adopted the name Älays (or as Gamerarius wriles it « Maiz »), which they 

 knew to be American ; and, moreover, the original Zea of the Greeks was 

 a speit. 



2. Andropogon pulchellus G. Don 2"^ in Herb. Hort. Soc. Lond. 

 ex Benth. et Hook. /. Fl. Nigrit., in Hook. Niger Fl. 571 (1849) ; Back. 

 Andropogonese, 366(1889); Durand et Schinz, Consp. fl. Africae, V. 720 

 (1895), — (ser. Isozygi, subg. II. Schizachyrium). Annuus. Culmi 5 dem., 

 firmi compressi glaberrimi multinodes simplices apice paniculato-raraosi. 

 Articuli noduloso-incrassati. Vaginse internodiis breviores. glaberrimae. 

 Laminse 2, 5 — 7 cm., glauco-rubentes, e basi rotundalà lineares planse 

 rigidse, nlrinque glaberrimae. Panicula fasügiata stricta, ramulis ultimis 

 Vagina fere ad racemum involutis. Racerai 3 — 5 cm., stricLi pauciflori, 

 spalhis propriis sequilongi, rhachi pilis serieeis patenlibus quam spicula 

 longioribus vestila. Spiculse sessiles hermaphroditse, 6 mm., tabeseentes. 

 Stigmata angusta, stylis duplo longiora, anthesi infra mediam spieulam 

 exserta. Caryopsis elongata. Spieulse sessilis gluma prima rigida bicuspidala 

 chartaceo-membranacea, cailo brevi obtuso antiee praeter basin plerumque 

 glaberrimo, lateralibus annulo pilorum brevium ad articuli pedicellique 

 vicini basin extenso slipalo, instrucla. Gluma secunda primam a^-quans, 

 late lanceolata submembranacea acuta carinata, uninervis vel nervis duo- 

 bus lateralibus lenuibus aucta. Gluma tertia V» brevior, lanceolata acuta 

 enervisglabra marginibus implicata. Gluma quarta quam secunda '/»-duplo 

 brevior ; arista tenuis, spiculse aequilonga, columnâ plerumque reclâ glabrà 

 atrofuscâ, subulâ flavescente, basi laxe oblique lortâ. Lodiculse glabrseob- 

 cuneala;. Stamina 3, anlheris minulis. SpicuUc pedicellatee longe stipatse, 

 pediceilo spieulam superante, glumâ prima multinervi selaceo-acuminatâ. 



