APPENDIX. 



xlix 



He says, " we have a fine showy orchis which propagates 

 freely by the roots, and whicli I have no doubt would answer 

 M^ell in the open air in England, if the roots were treated 

 like tlie Persian Ranunculus, and kept in a dry warm room 

 in winter. The roots of the flowering plants are about six 

 inches long, and resemble a good deal the roots of Anthe- 

 ricum Liliastrum, being thickest at the end farthest from the 

 stem. Two or three are produced annually, and the old ones 

 decay. On rich calcareous soil this orchis grows two feet 

 high, and the flowers are large in proportion, and showy ; 

 the colours are orange and purple." Probably the plant 

 intended is Caladenia longicauda. (Plate VIII. fig. A.) 



To these hints it seems only necessary to add, that the 

 summer heat of the ground in which such plants are found 

 is probabl}^ about 80° ; and to remind the reader that the 

 land at Swan River is generally springy, so that there must 

 be an abundant supply of moisture to the roots of plants 

 when growing. 



One of the finest and most numerous genera is Thely- 

 mitra, the species of which are stout herbaceous plants, with 

 the habit of the European Orchis or Serapias, but with much 

 gayer colours and larger flowers. Th. fusco-lutea, R. Br., is 

 the only described species which I have seen, all the others 

 being new ; of these a figure of T. villosa^'^^^ the most striking 



(211) Thelvmitra villoso (Tab. VIII. C) ; folio radical! oblongo apiculato subtiis 

 villoso caulinis linearlbus acuminatis glabris, raceme cylindraceo, floribus 

 luteis, cuculli lacinils lateralibus glandulosis recurvis intermedia denticulata 

 emarginata. 



(212) Thelymitra stellata ; folio radicali oblongo glabro, racemo cylindraceo, 

 floribus fuscis? stellato-patentibus : laciniis acuminatis, cuculli laciniis late- 

 ralibus fimbriatis margine postico pulvinatis villosis : intermedia carnosa ga- 

 leata breviore dorso tuberculata. 



(213) Thelymitra macrophylla ; folio radicali erecto elongato lanceolato, racemo 

 elongato cylindraceo, floribus purpureis, cuculli laciniis lateralibus parvis 

 stuposis : intermedia majore fornicata glabra. 



(^'^^ helymitra crinita ; folio radicali oblongo apiculato glabro, racemo cylin- 

 draceo, floribus purpureis, cuculli laciniis lateralibus barbatis unguiculatis 

 intermedia fornicata emarginata dorso glanduloso-villosa. 



',215; Thelymitra campamdata ; folio radicali lineari, racemo secundo multifloro, 

 floribus purpureis campanulatis, cuculli laciniis lateralibus subulatis apice 

 barbatis intermedia tripartita dorso o;landulosa. T. tiyrincE aff. 



.216) "YXxQlyxmivB. graminea ; folio radicali lineari, racemo secundo multifloro, flori- 

 bus purpureis, cuculli laciniis lateralibus stuposis unguiculatis intermedia for- 

 nicata integerrima glaberrima. 



G 



