19 



j 



coloria, superficie canescentia, margine parum scabrida. Spiculoe 

 1-3 caulem gracilem rectissimum 3-5-pedalem termluantes, foliis 

 1-2 floralibus uni- usque tripollicaribus pcrteauibus suffiilta?. 



Caustis Jlexuosa (R. Br. Pr. 239 ; C. uncinata, Nees in Lehm. 

 Fl. Pi'eiss. ii. 88) me visa a Cann's Eiver (Tajlor), Genoa-River 

 (Alleu), Cowes-Creek (Fitzalan), Parraraatta et Blue Mountains 

 (Woolls), New Englaud (C. St.), Moreton-Island (F. M.), Rock- 

 liampton (O^Shauesy), Castle-Creek (Bunce). IIuc pertinet planta 

 Sieberi 37- Planta sesqui- usque pluripcJalis, babitu CalostropLi 

 elongati. Eami ultimi pcrtenues, non scmpcr perfecte laives, 

 Spiculse longe et gracillime pedunculatae, tenues^ 3-4'" longse. 

 Caryopsis fere 1^'" longa, ovata, paulo aut vix trigona ; pcri- 

 carpium plus miuusve plicatulum ; rostrum angulatuna, tenue, 

 1-2'" longum, acutum, partim castanco-tinctum, apice excepto 

 glabrum» Genus hiuc Euandra;, illinc Cladio affine. 



Caustis recurvata (Spreng. Syst. Veg. Cur. Post. 26 ; Melachne 

 Sieberi, Scbrad. in LinucTa ix. 301, sec, Agrostogr. 35 ; C, flex- 

 uosa, Kunth. Enum, ii. 306 partim) a sinu Botany-Bay (F. M.), 

 saltem usque ad flumen Richmond-E.iver (Maria Hodgkinson) ex- 

 tendit. Planta sesqui-pedalis v. altior, habitu robusto coutorta 

 fere C. dioicse. Caules unisexuales, sed femmei ramosi et masculi 

 simplices ex eodem rhizomate pullulantes. Vaginas ore glabrae. 

 Spiculre mascul3B in ramis paniculse plus miuusve flexuosis alterne 

 remotiusculse, sessiles vel breviter pedunculatae, fere semipollicares, 

 interdum geminaj vel teruae. Stamina 3-6. Antherce primum 

 flavae, demum fuscEc, sesquiliueam vix supei^antes, breviter mucro- 

 nulat^e. Stylus cum stigmatibus in floribus masculis prassens, sed 

 fortasse fructum nunquam perficiens. Spiculce femimB masculis 

 breviores, ramulorum fascicularium unum alterumve terminantes- 

 Stigmata 3 capillaria. Caryopsis turgide ovata, sesquilineam longa, 

 rostro crasse subulato vix breviore v. paulo longiore termiuata. 



Caustis dioica (R. Br. Pr. 239 ; C. hexandra^ Nees in Lehm. 

 Plaut. Preiss. ii. 88) e vicinia sinus regis Georgii usque ad flumen 

 Murchisoni extendit, quantum hodie novimus. Planta uni- pluri- 

 pedalis. Rami ultimi evidenter crassi. Vaginae pctiolares ore 

 barbellato-ciliata?. Spiculai feminoe 3-4'" longfe, seorsim longius- 

 cule et rigide pedunculatoe. Bractea; florigerse tenui-acuminata^, 

 Stamina 5-6 florum masculorum. Anthera) mox saturate fuscae, 

 circlter sesquilineam longae, pertenues, mucrouulatae. Caryopsis 

 turgide ovata, sensim in rostrum vix lineam longum attenuata. 



Caustis pentandra (R. Br. Pr. 240 ; Kunth Euum. ii. 306) 

 mihi cognita est a Mount William (SuUivan), Latrobe's River 

 (F. M.), Shouten's Island (Story), Cowan^s Creek (Fitzgerald). 

 Planta pauci- v. pluripedalis, multicaulis, fere stricte erecta. Ramuli 

 crassiusculi, rigidi, fere nuuquam in modum specierum pra^ceden- 

 tum uncinati v. arcuati v. circinati. Vaginoe ore glabrae. Spicula? 



circiter ^" longae, ex parte fere sessiles. Antherae fere 2^'" longge. 



