5^ 



substituta; laminae lineares, longissime attenuat&e, basi brevissime 

 vel vix rotundato-contractae, 30-50 cm. longae, 5-10 mm. latae, 

 planae, saepe firmulae, ad margines asperae, caeterum plerumque 

 laeves, eosta tenui. Paniciria erecta, lineari-oblonga vel elongato- 

 pyramidalis, 10-16 cm. longa, 3-5 (raro basi ad 7) cm. lata, densa ; 

 axis subgracilis, profunde sulcato-striata, 8uperne triquetra, ad 

 angulOvS scabra, ad nodos pilis longis rigidis paucis vel interdum 

 numerosis obsita ; rami numerosi, quam internodia multi 

 longiores, inferiores plerumque 2-3-natim approximate 1-3 cm. 

 longi, stricti vel interdum flexuosi, ab ima basi spiculigeri, axi 

 gracili pubescente interdum setis hincinde additis ; pedicelli 

 brevissimi, geminati vel ternatim fascicnlati. Spiculae seeundae, 

 3-4-seriatae, congestae, ovoideae, caudato-acuminatae, serierum 

 exteriorum interdum lon^ius aristatae, 2-3 mm. longae, luride 

 virides vel pnrpurascentes ; Gluma inferior latissime ovata, 

 minute apiculata vel mucronulata, 3-5-nervis, scaberula, superior 

 late ovata, cuspidato-acuminata, longitudine spiculae, 5-nervis, 



inter nervos superne spinuloso-scabros magis minusve pubescens. 

 Anthoecium inferum $ ; valva glumae superiori similis nisi 



dorso applanata, acumine saepe in aristam brevem tenuem ad 

 5 mm. longam (rarissime longiorem) abeunte ; palea valvam 

 aequans late oblonga, carinis superne subasperulis. Anthoecium 

 superum <?, ambitu ovatum vel ellipticum, apiculatum, fere 



longitudine spiculae, albidum, nitidum ; valva Crustacea, o-nervis. 

 Antherae 1 mm. longae. 



British East Africa. Near Mombasa, in temporarily flooded 

 localities, Hddebrandt, 1951-2022. Kikumbuliu Hills, Scott Elliot, 

 6291 ; Maji Chumoi, Kcissner, 455 ; Baringo Marsh, H. H. Johnston. 



German East Africa. Turn, in boggy places, Speke Jc Grant. 



Rovuma River, Metier. 



Speke and Grant observed a form bavins: leaves marked with 

 dark brown or black cross bars. Scott Elliot's and Johnston's 

 specimens have practically no awns. 



X -JEQUIE MANICOBA AND ITS ALLIES. 



{Manihot dichotoma, Ule and other species). 



The first intimation to reach Kew of the existence of rubber- 

 yielding plants closely related to the commonly cultivated Manihot 

 Glaziovii took place in the early part of 1906. Mr. J. A. Davy, 

 manager of the Duniont Coffee Company, Ribeirao Preto, Sao 

 Paulo, Brazil, called at the Gardens in March and left some seeds 

 of the Jequie or Jiquie Manihot. On his return to Brazil he sent 

 us a supply of seeds together with the following information : — M at 

 present we have two kinds of rubber trees growing here, the 

 Manihot Glaziovii or Common Ceara Manitoba, and the other 

 Manihot Jequie, which is a native of the state of Bahia." In a 

 subsequent letter (dated June 30th, 1906) Mr. Davy writes: 

 " as regards the Jequie variety of Manihots, this plant originates 

 in the municipality of Jequie, State of Bahia. and is at 

 present looked upon as a better latex producer than the Manihot 



