696 PATAGONIAN EXPEDITIONS I BOTANY. 



5-io-toothed. Corolla-tube included; upper lip nearly plane or concave. 

 Stamens 4, the anterior pair the longer. Pollen-sacs at length confluent. 

 Niitlets apically rounded. 



Species 30, Old World ; i in Amer. (introduced). 



MARRUBIUM VULGARE Linn. Horehound. 



Branches white-woolly. Leaves ovate or rounded, petioled, soft- 

 woolly, greenish to white, crenate. Calyx-teetk 10, subulate, recurved, 

 woolly. Corolla white, its lower lip 3-cleft, spreading. 



(Eurasia; Amer.); Patagon. 



3. CRUZIA Phil. 



Calyx short, tubular, ecostate, bilabiate, with short, entire lips, and 

 glabrous on the back. Corolla rather large, with ample tube, exsert ; its 

 upper lip broadly ovate, emarginate ; its lower lip 3-lobed, the lobes 

 rounded, the mid one twice as broad, bearded inside. Stamens 4, on the 

 upper side ; anther-cells confluent, at length round-reniform. 



Species i, viz.: 



C. SERPYLLACEA Phil. 



Low shrub, rough, hairy, with filiform branches. Leaves obovate-or- 

 bicular, short-petioled, entire, 3-nerved. Flowers shortly pediceled, with 

 subulate bractlets. 



S. Patagon., by Rio Sta. Cruz. 



4. STACHYS Linn. 



Herbs, with flowers clustered in terminal, dense or interrupted spikes. 

 Calyx campanulate, 5-io-nerved, its 5 teeth subequal, not spreading. 

 Corolla with narrow tube ; its upper lip erect, concave, entire or emar- 

 ginate; its lower lip spreading, 3-lobed, the mid-lobe broad. Stamens 

 4, ascending, the anterior the longer; anthers contiguous in pairs, their 

 sacs diverging. Style 2-cleft. Achenes ovoid. 



Species 200, in temperate and cold regions ; in S. Afr. and Chili ; not 

 in Austr., nor in New Zeal. 



5. CHONOTICA Hook. f. 



Erect, hispid-pilose. Leaves petioled, oblong-lanceolate or ovate- 

 oblong, obtuse or acute, cordate at base, crenate-serrate. Floral leaves 



