435 



nngnste linearis membranacens semini accumbens et ejus lon- 

 giüidine, curvatns. Albnmen centrale amylaceum, embryo 

 annnlaris periphericus, radicnla eiipera. 



Herba Anstraliac subtropicae amuia saxicola erecta sim- 

 plicissima vel et dichotoma et simplieiter ramosa, foliis an- 

 gnstis alternis integris, floribns in capltnla terminalia colle- 

 ctis, bracteis persistcntibus. 



Inter Psilotrichum et Piilotum ponendnm genns, prae- 

 sertim sepalis margine nudis, staminibus et ariilo ab utroqne 

 distingnendnm. 



91. Hemisteirus psilotrichodes. 



In montibns humilioribus petracis jnxta Cndnaka. 



Radix tennis flexuoso-descendens pallida simplex canlem 

 siugnlum sive plures gignens. Hi lineam erassi vel teimiores 

 liueis aliquot elevatis saepe rnbellis striati, cum ramis pa- 

 tentibns Va — 1' alti, imprimis superne sparsim pilosnli, fere 

 apice tenns foliati. Folia sat approximata linearia sessilia 

 sensim basin versus augnstiora \" longa vel breviora, ad 

 suiimnim %'" lata, pleraqne tarnen mnlto augnstiora, mucro- 

 nnlata, margine inflexa, plus minnsve torta. Capitula an- 

 thesi inenute bemisphaerica tandem globosa vel ovalia, densa 



l/ \" longa et 7 — 9'" crassa. Bracteac tenerrimae con- 



colori-byalinae scariosac mncronnlatae longitndiue aeqnales, 

 exterior dorso villosnla glabrescens snbcordato - orbicnlata, 

 laterales glabrae rotnndae concavae. Calyx bracteis dnplo 

 lon«nor circiter 4 -linearis; sepala augnsto-lanceolata vix ni- 

 tro lineam lata acnta mntica vel brevissime mncronnlata, vi- 

 ridia margine scarioso lato roseo limbata, villis brevibns paulo 

 patentibns albis secns tergnm et densissirae rircum basin 

 vestita. Stamina glabra, fertilia calyce panim breviora- fila- 

 menta primo dilnte fnlva nitentia post foecnndationem e pnr- 



28* 



