PLANTAGINACEAE. 321 



1. Plantago major L. In waste places and around dwellings from Newf. 

 and B. C. to Fla. and Calif.; naturalized from Europe. Georgetown; along 

 Uncompahgre River, near Ouray ; Ft. Collins. 



2. Plantago asiatica L. In waste places and sandy soil from Ass. and B. C. 

 to Colo.; also Eastern Asia. Alt. 5000-8000 ft. Parlin; Arboles ; Ft. Collins. 



3. Plantago Tweedyi A. Gray. On grassy slopes from Mont, to Colo, and 

 Utah. Alt. up to 10,000 ft. Chambers' Lake ; Rabbit-Ears Pass ; Buffalo 

 Pass ; Gore Pass. 



4. Plantago eriopoda Torr. (P. rctrorsa Greene) In saline soil from Que. 

 and Mont, to Colo, and Nev. Alt. 4000-8500 ft. La Porte ; Doyle's ; bank of 

 Canadian River. 



5. Plantago lanceolata L. In waste places and around dwellings from N. B. 

 and Wash, to Fla. and Calif. ; naturalized from Europe, but rare in the Rocky 

 Mountain region. Alt. up to 5000 ft. Ft. Collins. 



6. Plantago Purshii R. & S. On plains, prairies and in river valleys, espe- 

 cially in sandy or poor soil from Ont, Ass. and Wash, to Mo., Tex. and 

 Ariz. Alt. 4000-10,000 ft. Golden ; Ft. Collins ; Colorado Springs ; Monu- 

 ment Park; Denver; Trinidad; West Spanish Peak; Veta Pass; Walsenburg; 

 New Windsor ; Pueblo ; Quimby ; Wray ; Table Rock ; Grand Junction. 



7. Plantago myosuroides Rydb. In sandy soil from Ass. and S. D. to Neb. 

 and Utah. Grand Junction. 



Order 46. RUBIALES. 



Stamens as many as the corolla-lobes. 



Leaves with stipules (in ours leaf-like and usually regarded as leaves) adnate 



to the stem between the leaf bases. 125. RUBIACEAE. 



Leaves without stipules or if present these adnate to the petioles. 



126. CAPRI FOLIACEAE. 



Stamens twice as many as the corolla-lobes ; low herbs with ternately dissected 

 leaves. 127. ADOXACEAE. 



Family 125. RUBIACEAE Juss. MADDER FAMILY. 



i. GALIUM L. BEDSTRAW. 



Flowers perfect ; fruit hirsute with uncinate hairs or glabrous. 

 Annuals. 



Stem coarse, reclining; leaves (i. e., leaves and stipules), 6-8 in the whorls. 

 Leaves linear or oblanceolate. 



Leaves 2-7 cm. long ; nutlets when ripe 3-5 mm. in diameter ; flowers 



white. i. G. Aparine. 



Leaves 0.5-2 cm. long ; nutlets when ripe 2-3 mm. in diameter ; flowers 



ochroleucous. 2. G. Vaillantii. 



Leaves elliptic. 9. G. flaviflorum. 



Stem slender, erect or ascending ; leaves 4 in the whorls. 

 Leaves ovate or oblong, 5-7 mm. long ; fruit nearly sessile. 



3. G. proliferum. 

 Leaves linear-oblong or linear, often 10-20 mm. long; fruit distinctly 



peduncled. 4. G. bifolium. 



Perennials. 



Leaves not cuspidate-pointed. 



Stem stout ; leaves thick, 3-nerved. 5. G. boreale. 



Stem very slender ; leases i-nerved. 



21 



