— 80:3 — 



2. Herschelia purpurascens Krzl. Tubeiidiis 2 



ovatis oblongisve villosis 3 — 4 cm longis 2 — 3 cm diam. caule 



ad 40 cm alto, tenui, foliis compluribus basilaribus angustissime 



linearibus ad 25 cm longis 1 mra latis, scapo vaginis arcte ad- 



pressis scariosis acutis quam internodia beue brevioribus veslito, 



racemo paucifloro (1 — 3), bracteis oblongis acutis vaginantibus 



quam ovaria ter brevioribus. Sepalo dorsali ovato acuto pro- 



funde cncullato in calcar brevissimum sacculatum adscendens 



vix prominens producto, sepalis lateralibus ovati-oblongis acutis, 



petalis multo minoribus cuneatis dilatatis utrinque acutis, la- 



bello late ovati-oblongo acuto margine crenulato complicato 



leviter refiexo; glandula magna transversa, anthera valde 



reclinata, rostelli brachiis acutis erectis, lobo mediano brevi 



acuto, stigmate pulvinari. — Flores pulcherrimi coerulei, se- 



pala lateralia 1,9 cm longa basi 1 cm lata, sepal. dorsale 



1,4 cm latum. labellum 1,2 cm longum. — Novembri. 



Disa purpurascens Bolus in Journ. Linn. Soc. XX, 482 et in Orch. 

 South. Afr. t. 86. 



Cap der guten Hoffnung. SUdwestl. Gegenden der Caphalbinsel 

 in 830 m Hohe (Bolus N. 4898!) 



3. Herschelia hamatopetala Krzl. „Erecta, 

 glabra foliis radicalibus anguste gramineis, scapo flexuoso 

 laxe 2 — 7-floro, bracteis brunneis, membranaceis, ovatis acu- 

 minatis, sterilibus margiue sub medio connatis, floribus breviter 

 pedicellatis, sepalis lateralibus ovali-oblongis, obtusis, dorsali 

 galeato, calcari brevi recti-cylindrico, petalis basi columnae 

 adnatis, hamatis, apice late emarginatis, labello elongato tri- 

 aogulari plano, supra basin profunde fimbriato". — Mihi 

 non visa. 



Folia tenuissima, scapus 15—30 cm aitus, flores majusculi 

 3 cm, minores 2,5 cm diam, sepala 2 cm longa, petala 1,2 cm 

 longa. (Ex descriptione et icone infra citata.) 



Bisa hnmatopetala Eendle in Transact. Linn. Soc, 2. Ser. IV, i7 

 t. 7 fig. 4-6 {1894:). 



Ost-Afrika. Nyasaa-Land; Milanji in 2000 m. (Whyte N. 86, 136 

 u. 199, Buchanau N. 1016). Zambesia in 2UL0— 2300 m (Kirk). Zwischen 

 dem Tanganjika- und Nyassa-See. (Johustou.) 



51* 



