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204 REVISION OF THE GENUS SANGUISOUBA.
Eiver of Louisiana, 1853, p. 280, t. v. Paterldluiu armuum, Spach in
Ann. Sc. Nal. 3 ser. torn. v. p» 43. Sangiiisorba occidenialis, Nutt.
msp. sec. Torr. et Gr.
Herba secundo anno floreus, gemmis in axillis folioruiu radicalium
ortis perennaiis, vegetatione teruiinali i. e. axi priioaria in surculum
floriferum excrescente. Surculus e basi rosulam foliorum radicalium
gerente progrediens erectus, multifolius, ramosus, ramis axi primaria
brevioribus. Folia glabra (in planta juvenili ad vachin parcissime
pilosa), pallide viridia, subglaucesoentia, setate pallide rufesceutia vel
luteo-fusccscentia, radicalia et caulina imparipinnata, 5-7-juga, foliolis
pectinato-pinnatipartitis (iu planta juvenili piunatilidis), segmentis
utriiique 3-7 (posterioribus auteriora numero superautibiis) linearibus
acutiusculus. Stipulse adnatae, in foliis radicalibus vaginam elongatam
integrani, utrinque dente inconspicuo tenninalaiu, iu foliis cauliuis
brevem bilobam, lobis rccurvato-patulis margine superiore (more folio-
lorum) pectinato-partitis, formantes. Spicee deusiflorse (in surculo
primario et ramis uiajoribus) oblonga3, cyliudriccB vel (in ramis et ra-
mulis minoribus) capituliformes, globose. Floresceutia adsceudeus,
floribus infimis nonnunquam tardivis. Flores omnes hermapbroditi,
albo-viresceutes. Bracteie flore pauUo breviores, occultae, latissime
ovatse, obtusaj, coiicava? et subcariuatae, basi utrinque paullulum ac-
currentes, bracteolus el tubum calycis amplectentes, scariosae, albo-
liyalinae, uuinerves. Bracteola; (propliylla) bracteis similes, minores,
basi nervo brevissimo mox evanescente instructse. Calycis lobi late
oblongi, late albo-marginati, medio virides, obtuse apiculati, apiculo
rufescente, post anthesin retlexi. Stamina constanter 2 !, lobis caly-
cinis interioribus (lateralibus) opposita, exscita. Filamenta filiformia ;
autherse breves, hiteo-alba?,subfuscescentes. Carpidium unicum,stigniate
breviter penicillato albo. Tubus calycis fructifer coriaceo-iuduratus,
sublignosus, ovatus, utrinque attenuatus, alato-quadrangularis, alls
crassiusculis acutis, faciebus medio reticndatim, margine transverse ru-
gosis, rugis alas inlranlibns. (Dispositio foliorum f, iu spicis -i|.)
Species valde siugularis, primum in horto Dresdensi culta, orla e
seminibus plantic a cl. Geyer in Oregon lecta?, cujus locus natalis a col-
lectoris- his verbis indicatur : " Loamy, stony, sunny watercourses,
Spokan liighlands, with Hosac/cia Purshiana. The seedling plants have
tawny-coloured leaves in the winter." (No. 467.)
Saiif/idsorba annua, Nutt., quam dubiis quidem vcxatus, tandem sine