BOTANY. 
cclxix 
laxo, corrugate . Cotyledones accumbentes. Stigmata approximata basibus connatis in sty- 
lum (brevissimum) decurrentibus. Filamenta edentula. 
Herbse perennes^ glabrcE, subacaules. Folia radicalia mtegerrima v. dentata, crassiuscula^ 
opaca, venis immersis inconspicuis, petiolorum basibus dilatatis scariosis semivaginantibus. 
Scapi radicales, aphylli, ebracteati. Flores purpurei. Calyx subpatens. Glandula; 
hypogyn* 4, filamenta longiora extus stipantes. 
Obs. Affinitate proximum genus Arabidi, diversum siliquaruni llgura, structura seminum 
et stigmatis, et denique habitu. 
This Genus is named in honour of Captain Parry, the distinguished commander of 
the Expedition in which it was discovered, and whose herbarium contained very complete 
specimens of the species here described. 
14. PARRYA ARCTICA— Tab. B. 
Parrya, siliquis lineari-oblongis, antheris ovalibus, foliis (fere omnibus) integerrimis, 
peduncuhs glaberrimis. 
Desc. Herba humilis, perennis, glaberrima. Radix perpendicularis, crassa, sublignea, 
striis transversis tenuibus notata, ssepe multiceps. Caules brevissimi, dense foliati. Folia 
petiolata, lanceolata passimve spathulato-lanceolata, integerrima, nonnulla rarissime pauci- 
dentata, crassiuscula, opaca, immerse uninervia, venis alte immersis inconspicuis. Petioli 
dimidio superiore angusto lineari textura laminge, inferiore dilatato semivaginanti scarioso 
albicanti. Scapus caulem abbreviatum terminans vel saspe axillaris, aphyllus, ebracteatus, 
glaberrimus, florifer foliis saspe duplo fructifer triplo — quadruplove longior. Flores corym- 
bosi, peduncuhs patentibus glaberrimis. Calyx glaber, modice patens, deciduus : sepala 
ovalia, obtusa, concava, insertione parum inaequalia, immerse nervosa, nervis passim oblique 
connexis. Petala quatuor, aequalia, unguiculata, purpurea, rarius alba, calyce duplo longiora ; 
ungues lineares ; lamince obovatae, uninervias, venosae venis apice dichotomis. Stamina 6, 
tetradynama. Filamenta edentula ; 4 longiora latiora, altero latere extra medium paulo an- 
gustiora. Antherce uniformes, infra medium affixae, oblongo-ovales, ochroleucas, basi cordata 
lobulis approximato-parallelis, connectivo perangusto. Pollen sphasricum, simplex (nec 
compositum quaUtum observare licuit per lentem 114i-ies augentem.) Glandules hypogynce. 
quatuor, filamenta longiora extus stipantes. Ovarium sessile, glabrum, bhoculare, polysper- 
mum, ovulis numerosis. Stylus brevissimus. Stigma bipartitum, lobis placentis oppositis, 
obtusis, mutuo saepius appressis, basibus confluentibus et quasi in latera styli decurren- 
tibus. SiliqU(Z racemosae, erectae, nonnullas quandoque pendulas, pedicellis patentibus, intra 
cicatrices floris sessiles, lineari-oblongae, passim siliculiformes, utrinque obtusae. Valves 
planae, uninerviae, venosas. Dissepimentum completum (rarissime fenestratum foramine 
magno v. parvo) arachnoideo-areolatum, axi quandoque opaciori paulo incrassato, lineisve 
duabus opacioribus axi approximatis. Funiculi umbilicales marginati, latiuscuh, dimidio 
inferiori septo cohaerentes. Semina 6-8 in singulo loculo, saspiusque biseriata, epidermis 
testae laxus, tenuissimus, albus, ultra ipsam testam in hmbum latiusculum extensus, supra 
nucleum rugosus, testa ipsa, dempto epiderinide, crasso-membranacea e duabus laraellis 
2 1 2 
