56 



BORAGINACEAE. 



[Vol. III. 



Lappula Americana (A. Gray) Rydberg. Nodding Stickseed. (Fig. 3025.) 



Jichinospermum de/Iexum var. Americanutn A. 

 Gray, Proc. Am. Acad. 17: 224. 1882. 



Lappula Americana Rydberg, Bull. Torr. Club, 24: 

 294. 189-. 



Annual, rough-puberulent; stem slender, erect, 

 paniculately brauchcd, i°-3° high, the branches 

 spreading or ascending. Leaves oblong or ob- 

 long-lanceolate, mostly narrowed at both ends, 

 2'-4' long, 2^"-6" wide, the lower petioled, 

 the upper sessile; racemes slender, nianj'-flow- 

 ered; pedicels slender, 2"-4" long, deflexed in 

 fruit; corolla white or bluish, about \" broad; 

 fruit pyramidal, about 2" broad; nutlets keeled, 

 papillosc-tuberculate on the back, rarely with a 

 few prickles on the keel, the margins armed 

 with a single row of flat prickles. 



In thickets, Manitoba and North Dakota to British 

 Columbia. .4lso in Europe and .\sia. May-Aug. 



4. ALLOC/vRYA Greene, Pittonia, 1: 12. 1887. 

 Mostly annual low herbs, with linear entire leaves, the lowest often opposite, and small 

 flowers in terminal spikes or racemes. Pedicels thickened at the summit, persistent. Calyx 

 5-divided, persistent, the segments narrow. Corolla salverform, white, j-ellow in the throat. 

 Stamens included. Ovary 4-divided; style short. Nutlets crustaceous, smooth, or rough, 

 attached at their ba.se or below the middle to the receptacle, the scar of attachment concave 

 or raised. [Greek, different nuts.] „ ^<^ 



About 25 specie?, natives of western North 

 America. 



I. AUocarya scopulorum Greene. 



Mountain AUocarya. (Fig. 3026.) 



Eritrichium Californicum var. subglochidialum 



A. Gray, Bot. Cal. i: 526. In part. 1S76. 

 Allocatya scopulorum Greene, Pittonia, i: 16. 1S87. 



Somewhat succulent pubescent, with scat- 

 tered stiff appressed hairs, branched, the slen- 

 der spreading branches I'-S' long. Leaves 6"- 

 jS" long, i."-\yi" wide, sessile or very short- 

 petioled, flowers about 1" broad, distant, borne 

 in most of the axils, very short-pedicelled; 

 floral bracts similar to the leaves, but shorter; 

 calyx segments linear-lanceolate; nutlets reticu- 

 late on the back, lightly grooved on the ventral 

 side. 



Western Nebraska to Montana, Wyoming and 

 Colorado. Jimc-Sept. 



5. CRYPTANTHE Lehm. Sem. Hort. Hamburg. 1832. 

 [Krvnitzki.\ F. & M. Ind. Sem. Hort. Tetrop. 7: 52. 1S41.] 



Low annual setose or hispid branched herbs, with narrow alternate entire leaves, and 

 small mostly white flowers, in scorpioid bractless or bracteolate spikes. Calyx sparled or 

 5-cleft, at length deciduous from the spike, the lobes or segments erect, mostly connivent in 

 fruit. Corolla small, fuuuelform, usually with 5 scales closing the throat, the lobes imbri- 

 cated in the bud. Stamens included; filaments short. Ovary 4divided; style short; stigma 

 capitellate. Nutlets erect, rounded on the back, not keeled, the margins obtuse, acute or 

 wing-margined, attached laterally to the conic or elongated receptacle, the scar of attach- 

 ment mostly longer than broad. [Greek, hidden-flowered.] 



About 50 species, natives of North and South America, mostly of the western United States. 

 Nutlets, at least some of them, with short processes. i. C. crassisfpala. 



All four nutlets smooth and shining. 2. C. FendUri. 



