APODE C&€SPITOSA. (35). PLEUROTHALLIS. 
1545); f ae cr ge 
atis integris co’ Prcateas on oh semiconnatis, petali 
nanis ovatis ——- label ovato obtuso concavo, carinis capsularum —— 
on the Blue Mountains in the Spring), v. s. in hb, 
ete: r. Leaf 2 2”—3",  ieiaes yellowish-green. Lip de Fs poe 
9. P. prostrata (Lindl. in Ann. Nat. Hist. ser. III. i. 827); folio oe 
hanactens obtuso caule negra du an longiore racemis ibus 
sequali, sepalis ovatis acutis an © bifido, petalis nanis lanceolatis acutis 
univeniis, epee —— rhombeo Seen minuté denticulato concave, carinis 
capsu t, 629. h. s. sp.——Stem 1”. Leaf 2”. 
Flowers dull p purple. ‘Differs from the ry in the proportion of stem and leaf 
as well as iculars. It is better placed here than among the Muscose 
(now rece: vs which I originally referred it. 
210. P- laxa (LO. 18. Dendrobium laxum, Swartz. Fl. Ind. Oce. ene t ; 
ae ye acuminato basi acuto Jleviter ‘earinato r pen laxo 0 flexuoso su 
nanis linearibus —_— labello ovato canaliculato apice recs, spate 
carinis nudis. —Jamaica, Swartz — Mountains i in Spring), v. 8. sp. in “2 
Banks——Ste m 24" wi th Jong lax S, Pawae dark purp 
striped. Lip bluish. (Pollen-masses deep blue! ! Swartz.) 
ai1. P. Sprucei; folio pee eps lanceolato caule sulcato nudo longiore 
racemo paucifloro capillari zquali, floribus pubescentibus, se acutissimis 
dorsali angustiore recurvo, petalis lanceolatis fimbriatis, labello glabro ungui-’ 
culato acuto basi lamellis 2 obtusangulis carnosis aucto——Brazil, Spruce, 
27 25 (low eee — “coer ——— by the river fear on trees), h. s. sp. 
es pallid. d.” Spr, Very near P. laxa, but 
scometis distinet, Le at 89" % 1. Stem 14”. 
§ X. Apop cHspPiITos# ; caulibus subnullis cexspitosis. 
A. Pedunculi multiflori elongati, folio seepiis longiores. 
* Catv; i.e. sepalis omnind pilis destitutis. 
1. Petala integerrima, (nune angulata). 
212. P. — folio lanceolato subcoriaceo basi angustato, pedun- 
culis laxis multifloris flexuosis procumbenti' bentibus, sepals obtuse, scuiiaat 
a but quite e different in structure. Leaf 5’’ * 
S. Bas n winged, equally 3-lobed at the hood.) 
P. tripterantha (Rchb. f. a Jan. 1, 1854. Xenia 1. p. 73. 
t. 28); folio prea = angustato racemo recto (pendulo?) breviore, 
sep cutis disjunctis, petalis nanis 3-nerviis subrhombeis 
labello oblongo cored eeeiibegs ue 0 noe oe o scabro 3-nervi carinula utringue 
angulum: rt waht OO Wagener——Leaf 3”—4” 1, 
Raceme 3’—4”. Flowers purple with darker spots of the same eat Se (See 
No. 164.) 
4, P. gracillima; folio spathulato longé petiolate pedunculo erecto 
multd breviore, spicé elongata secunda, ovario papilloso, sepalis acutis antico 
identato, petalis nanis oblongis 1-veniis erosulis, ee abello oblongo infra 
moten dilatato, columnz cucullo acuté es Jameson ( Western 
Andes on trees ; Petcdedens road to Nanegal), h. s. sp.—— Leaf 5”, not at all _ 
coriaceous. Peduncle and spike together 11”. Flowers the size of P. longis- 
sima (No. 182), and much like them, pale green with coloured keels. 
